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[lfs-patches] r2408 - trunk/coreutils matthew Tue Apr 03 15:00:56 2012

Author: matthew
Date: 2012-04-03 15:37:18 -0600 (Tue, 03 Apr 2012)
New Revision: 2408

Added:
   trunk/coreutils/coreutils-8.16-i18n-1.patch
Log:
Add i18n patch for Coreutils 8.16.

Added: trunk/coreutils/coreutils-8.16-i18n-1.patch
===================================================================
--- trunk/coreutils/coreutils-8.16-i18n-1.patch                         (rev 0)
+++ trunk/coreutils/coreutils-8.16-i18n-1.patch 2012-04-03 21:37:18 UTC (rev 
2408)
@@ -0,0 +1,4197 @@
+Submitted by:            Matt Burgess (matthew_at_linuxfromscratch_dot_org)
+Date:                    2012-03-31
+Initial Package Version: 8.16
+Upstream Status:         Rejected
+Origin:                  Based on Fedora's i18n patch at 
http://pkgs.fedoraproject.org/gitweb/?p=coreutils.git;a=blob;f=coreutils-i18n.patch
+Description:             Fixes several i18n issues with various Coreutils 
programs
+
+diff -Naur coreutils-8.16.orig/lib/linebuffer.h coreutils-8.16/lib/linebuffer.h
+--- coreutils-8.16.orig/lib/linebuffer.h       2012-01-06 09:14:31.000000000 
+0000
++++ coreutils-8.16/lib/linebuffer.h    2012-03-31 08:05:42.520771533 +0000
+@@ -21,6 +21,11 @@
+ 
+ # include <stdio.h>
+ 
++/* Get mbstate_t.  */
++# if HAVE_WCHAR_H
++#  include <wchar.h>
++# endif
++
+ /* A 'struct linebuffer' holds a line of text. */
+ 
+ struct linebuffer
+@@ -28,6 +33,9 @@
+   size_t size;                  /* Allocated. */
+   size_t length;                /* Used. */
+   char *buffer;
++# if HAVE_WCHAR_H
++  mbstate_t state;
++# endif
+ };
+ 
+ /* Initialize linebuffer LINEBUFFER for use. */
+diff -Naur coreutils-8.16.orig/src/cut.c coreutils-8.16/src/cut.c
+--- coreutils-8.16.orig/src/cut.c      2012-03-24 20:26:51.000000000 +0000
++++ coreutils-8.16/src/cut.c   2012-03-31 08:05:42.532771545 +0000
+@@ -28,6 +28,11 @@
+ #include <assert.h>
+ #include <getopt.h>
+ #include <sys/types.h>
++
++/* Get mbstate_t, mbrtowc().  */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
+ #include "system.h"
+ 
+ #include "error.h"
+@@ -37,6 +42,18 @@
+ #include "quote.h"
+ #include "xstrndup.h"
+ 
++/* MB_LEN_MAX is incorrectly defined to be 1 in at least one GCC
++   installation; work around this configuration error.        */
++#if !defined MB_LEN_MAX || MB_LEN_MAX < 2
++# undef MB_LEN_MAX
++# define MB_LEN_MAX 16
++#endif
++
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
+ /* The official name of this program (e.g., no 'g' prefix).  */
+ #define PROGRAM_NAME "cut"
+ 
+@@ -72,6 +89,52 @@
+     }                                                 \
+   while (0)
+ 
++/* Refill the buffer BUF to get a multibyte character. */
++#define REFILL_BUFFER(BUF, BUFPOS, BUFLEN, STREAM)                        \
++  do                                                                        \
++    {                                                                        \
++      if (BUFLEN < MB_LEN_MAX && !feof (STREAM) && !ferror (STREAM))        \
++        {                                                                \
++          memmove (BUF, BUFPOS, BUFLEN);                                \
++          BUFLEN += fread (BUF + BUFLEN, sizeof(char), BUFSIZ, STREAM); \
++          BUFPOS = BUF;                                                       
 \
++        }                                                                \
++    }                                                                        \
++  while (0)
++
++/* Get wide character on BUFPOS. BUFPOS is not included after that.
++   If byte sequence is not valid as a character, CONVFAIL is 1. Otherwise 0. 
*/
++#define GET_NEXT_WC_FROM_BUFFER(WC, BUFPOS, BUFLEN, MBLENGTH, STATE, 
CONVFAIL) \
++  do                                                                        \
++    {                                                                        \
++      mbstate_t state_bak;                                                \
++                                                                        \
++      if (BUFLEN < 1)                                                        \
++        {                                                                \
++          WC = WEOF;                                                        \
++          break;                                                        \
++        }                                                                \
++                                                                        \
++      /* Get a wide character. */                                        \
++      CONVFAIL = 0;                                                        \
++      state_bak = STATE;                                                \
++      MBLENGTH = mbrtowc ((wchar_t *)&WC, BUFPOS, BUFLEN, &STATE);        \
++                                                                        \
++      switch (MBLENGTH)                                                       
 \
++        {                                                                \
++        case (size_t)-1:                                                \
++        case (size_t)-2:                                                \
++          CONVFAIL++;                                                        \
++          STATE = state_bak;                                                \
++          /* Fall througn. */                                                \
++                                                                        \
++        case 0:                                                               
 \
++          MBLENGTH = 1;                                                       
 \
++          break;                                                        \
++        }                                                                \
++    }                                                                        \
++  while (0)
++
+ struct range_pair
+   {
+     size_t lo;
+@@ -90,7 +153,7 @@
+ /* The number of bytes allocated for FIELD_1_BUFFER.  */
+ static size_t field_1_bufsize;
+ 
+-/* The largest field or byte index used as an endpoint of a closed
++/* The largest byte, character or field index used as an endpoint of a closed
+    or degenerate range specification;  this doesn't include the starting
+    index of right-open-ended ranges.  For example, with either range spec
+    '2-5,9-', '2-3,5,9-' this variable would be set to 5.  */
+@@ -102,10 +165,11 @@
+ 
+ /* This is a bit vector.
+    In byte mode, which bytes to output.
++   In character mode, which characters to output.
+    In field mode, which DELIM-separated fields to output.
+-   Both bytes and fields are numbered starting with 1,
++   Bytes, characters and fields are numbered starting with 1,
+    so the zeroth bit of this array is unused.
+-   A field or byte K has been selected if
++   A byte, character or field K has been selected if
+    (K <= MAX_RANGE_ENDPOINT and is_printable_field(K))
+     || (EOL_RANGE_START > 0 && K >= EOL_RANGE_START).  */
+ static unsigned char *printable_field;
+@@ -114,15 +178,25 @@
+   {
+     undefined_mode,
+ 
+-    /* Output characters that are in the given bytes. */
++    /* Output bytes that are at the given positions. */
+     byte_mode,
+ 
++    /* Output characters that are at the given positions. */
++    character_mode,
++
+     /* Output the given delimeter-separated fields. */
+     field_mode
+   };
+ 
+ static enum operating_mode operating_mode;
+ 
++/* If nonzero, when in byte mode, don't split multibyte characters.  */
++static int byte_mode_character_aware;
++
++/* If nonzero, the function for single byte locale is work
++   if this program runs on multibyte locale. */
++static int force_singlebyte_mode;
++
+ /* If true do not output lines containing no delimeter characters.
+    Otherwise, all such lines are printed.  This option is valid only
+    with field mode.  */
+@@ -134,6 +208,9 @@
+ 
+ /* The delimeter character for field mode. */
+ static unsigned char delim;
++#if HAVE_WCHAR_H
++static wchar_t wcdelim;
++#endif
+ 
+ /* True if the --output-delimiter=STRING option was specified.  */
+ static bool output_delimiter_specified;
+@@ -206,7 +283,7 @@
+   -f, --fields=LIST       select only these fields;  also print any line\n\
+                             that contains no delimiter character, unless\n\
+                             the -s option is specified\n\
+-  -n                      (ignored)\n\
++  -n                      with -b: don't split multibyte characters\n\
+ "), stdout);
+       fputs (_("\
+       --complement        complement the set of selected bytes, characters\n\
+@@ -365,7 +442,7 @@
+           in_digits = false;
+           /* Starting a range. */
+           if (dash_found)
+-            FATAL_ERROR (_("invalid byte or field list"));
++            FATAL_ERROR (_("invalid byte, character or field list"));
+           dash_found = true;
+           fieldstr++;
+ 
+@@ -389,14 +466,16 @@
+               if (!rhs_specified)
+                 {
+                   /* 'n-'.  From 'initial' to end of line. */
+-                  eol_range_start = initial;
++                  if (eol_range_start == 0 ||
++                      (eol_range_start != 0 && eol_range_start > initial))
++                    eol_range_start = initial;
+                   field_found = true;
+                 }
+               else
+                 {
+                   /* 'm-n' or '-n' (1-n). */
+                   if (value < initial)
+-                    FATAL_ERROR (_("invalid decreasing range"));
++                    FATAL_ERROR (_("invalid byte, character or field list"));
+ 
+                   /* Is there already a range going to end of line? */
+                   if (eol_range_start != 0)
+@@ -476,6 +555,9 @@
+               if (operating_mode == byte_mode)
+                 error (0, 0,
+                        _("byte offset %s is too large"), quote (bad_num));
++              else if (operating_mode == character_mode)
++                error (0, 0,
++                       _("character offset %s is too large"), quote 
(bad_num));
+               else
+                 error (0, 0,
+                        _("field number %s is too large"), quote (bad_num));
+@@ -486,7 +568,7 @@
+           fieldstr++;
+         }
+       else
+-        FATAL_ERROR (_("invalid byte or field list"));
++        FATAL_ERROR (_("invalid byte, character or field list"));
+     }
+ 
+   max_range_endpoint = 0;
+@@ -581,6 +663,77 @@
+     }
+ }
+ 
++#if HAVE_MBRTOWC
++/* This function is in use for the following case.
++
++   1. Read from the stream STREAM, printing to standard output any selected
++   characters.
++
++   2. Read from stream STREAM, printing to standard output any selected bytes,
++   without splitting multibyte characters.  */
++
++static void
++cut_characters_or_cut_bytes_no_split (FILE *stream)
++{
++  int idx;                /* number of bytes or characters in the line so 
far. */
++  char buf[MB_LEN_MAX + BUFSIZ];  /* For spooling a read byte sequence. */
++  char *bufpos;                /* Next read position of BUF. */
++  size_t buflen;        /* The length of the byte sequence in buf. */
++  wint_t wc;                /* A gotten wide character. */
++  size_t mblength;        /* The byte size of a multibyte character which 
shows
++                           as same character as WC. */
++  mbstate_t state;        /* State of the stream. */
++  int convfail = 0;                /* 1, when conversion is failed. Otherwise 
0. */
++  /* Whether to begin printing delimiters between ranges for the current line.
++     Set after we've begun printing data corresponding to the first range.  */
++  bool print_delimiter = false;
++
++  idx = 0;
++  buflen = 0;
++  bufpos = buf;
++  memset (&state, '\0', sizeof(mbstate_t));
++
++  while (1)
++    {
++      REFILL_BUFFER (buf, bufpos, buflen, stream);
++
++      GET_NEXT_WC_FROM_BUFFER (wc, bufpos, buflen, mblength, state, convfail);
++
++      if (wc == WEOF)
++        {
++          if (idx > 0)
++            putchar ('\n');
++          break;
++        }
++      else if (wc == L'\n')
++        {
++          putchar ('\n');
++          idx = 0;
++          print_delimiter = false;
++        }
++      else
++        {
++          bool range_start;
++          bool *rs = output_delimiter_specified ? &range_start : NULL;
++          idx += (operating_mode == byte_mode) ? mblength : 1;
++          if (print_kth (idx, rs))
++            {
++              if (rs && *rs && print_delimiter)
++                {
++                  fwrite (output_delimiter_string, sizeof (char),
++                         output_delimiter_length, stdout);
++               }
++              print_delimiter = true;
++              fwrite (bufpos, mblength, sizeof(char), stdout);
++            }
++        }
++
++      buflen -= mblength;
++      bufpos += mblength;
++    }
++}
++#endif
++
+ /* Read from stream STREAM, printing to standard output any selected fields.  
*/
+ 
+ static void
+@@ -703,13 +856,195 @@
+     }
+ }
+ 
++#if HAVE_MBRTOWC
++static void
++cut_fields_mb (FILE *stream)
++{
++  int c;
++  unsigned int field_idx;
++  int found_any_selected_field;
++  int buffer_first_field;
++  int empty_input;
++  char buf[MB_LEN_MAX + BUFSIZ];  /* For spooling a read byte sequence. */
++  char *bufpos;                /* Next read position of BUF. */
++  size_t buflen;        /* The length of the byte sequence in buf. */
++  wint_t wc = 0;        /* A gotten wide character. */
++  size_t mblength;        /* The byte size of a multibyte character which 
shows
++                           as same character as WC. */
++  mbstate_t state;        /* State of the stream. */
++  int convfail = 0;                /* 1, when conversion is failed. Otherwise 
0. */
++
++  found_any_selected_field = 0;
++  field_idx = 1;
++  bufpos = buf;
++  buflen = 0;
++  memset (&state, '\0', sizeof(mbstate_t));
++
++  c = getc (stream);
++  empty_input = (c == EOF);
++  if (c != EOF)
++  {
++    ungetc (c, stream);
++    wc = 0;
++  }
++  else
++    wc = WEOF;
++
++  /* To support the semantics of the -s flag, we may have to buffer
++     all of the first field to determine whether it is `delimited.'
++     But that is unnecessary if all non-delimited lines must be printed
++     and the first field has been selected, or if non-delimited lines
++     must be suppressed and the first field has *not* been selected.
++     That is because a non-delimited line has exactly one field.  */
++  buffer_first_field = (suppress_non_delimited ^ !print_kth (1, NULL));
++
++  while (1)
++    {
++      if (field_idx == 1 && buffer_first_field)
++        {
++          int len = 0;
++
++          while (1)
++            {
++              REFILL_BUFFER (buf, bufpos, buflen, stream);
++
++              GET_NEXT_WC_FROM_BUFFER
++                (wc, bufpos, buflen, mblength, state, convfail);
++
++              if (wc == WEOF)
++                break;
++
++              field_1_buffer = xrealloc (field_1_buffer, len + mblength);
++              memcpy (field_1_buffer + len, bufpos, mblength);
++              len += mblength;
++              buflen -= mblength;
++              bufpos += mblength;
++
++              if (!convfail && (wc == L'\n' || wc == wcdelim))
++                break;
++            }
++
++          if (wc == WEOF)
++            break;
++
++          /* If the first field extends to the end of line (it is not
++             delimited) and we are printing all non-delimited lines,
++             print this one.  */
++          if (convfail || (!convfail && wc != wcdelim))
++            {
++              if (suppress_non_delimited)
++                {
++                  /* Empty.        */
++                }
++              else
++                {
++                  fwrite (field_1_buffer, sizeof (char), len, stdout);
++                  /* Make sure the output line is newline terminated.  */
++                  if (convfail || (!convfail && wc != L'\n'))
++                    putchar ('\n');
++                }
++              continue;
++            }
++
++          if (print_kth (1, NULL))
++            {
++              /* Print the field, but not the trailing delimiter.  */
++              fwrite (field_1_buffer, sizeof (char), len - 1, stdout);
++              found_any_selected_field = 1;
++            }
++          ++field_idx;
++        }
++
++      if (wc != WEOF)
++        {
++          if (print_kth (field_idx, NULL))
++            {
++              if (found_any_selected_field)
++                {
++                  fwrite (output_delimiter_string, sizeof (char),
++                          output_delimiter_length, stdout);
++                }
++              found_any_selected_field = 1;
++            }
++
++          while (1)
++            {
++              REFILL_BUFFER (buf, bufpos, buflen, stream);
++
++              GET_NEXT_WC_FROM_BUFFER
++                (wc, bufpos, buflen, mblength, state, convfail);
++
++              if (wc == WEOF)
++                break;
++              else if (!convfail && (wc == wcdelim || wc == L'\n'))
++                {
++                  buflen -= mblength;
++                  bufpos += mblength;
++                  break;
++                }
++
++              if (print_kth (field_idx, NULL))
++                fwrite (bufpos, mblength, sizeof(char), stdout);
++
++              buflen -= mblength;
++              bufpos += mblength;
++            }
++        }
++
++      if ((!convfail || wc == L'\n') && buflen < 1)
++        wc = WEOF;
++
++      if (!convfail && wc == wcdelim)
++        ++field_idx;
++      else if (wc == WEOF || (!convfail && wc == L'\n'))
++        {
++          if (found_any_selected_field
++              || (!empty_input && !(suppress_non_delimited && field_idx == 
1)))
++            putchar ('\n');
++          if (wc == WEOF)
++            break;
++          field_idx = 1;
++          found_any_selected_field = 0;
++        }
++    }
++}
++#endif
++
+ static void
+ cut_stream (FILE *stream)
+ {
+-  if (operating_mode == byte_mode)
+-    cut_bytes (stream);
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1 && !force_singlebyte_mode)
++    {
++      switch (operating_mode)
++        {
++        case byte_mode:
++          if (byte_mode_character_aware)
++            cut_characters_or_cut_bytes_no_split (stream);
++          else
++            cut_bytes (stream);
++          break;
++
++        case character_mode:
++          cut_characters_or_cut_bytes_no_split (stream);
++          break;
++
++        case field_mode:
++          cut_fields_mb (stream);
++          break;
++
++        default:
++          abort ();
++        }
++    }
+   else
+-    cut_fields (stream);
++#endif
++    {
++      if (operating_mode == field_mode)
++        cut_fields (stream);
++      else
++        cut_bytes (stream);
++    }
+ }
+ 
+ /* Process file FILE to standard output.
+@@ -761,6 +1096,8 @@
+   bool ok;
+   bool delim_specified = false;
+   char *spec_list_string IF_LINT ( = NULL);
++  char mbdelim[MB_LEN_MAX + 1];
++  size_t delimlen = 0;
+ 
+   initialize_main (&argc, &argv);
+   set_program_name (argv[0]);
+@@ -783,7 +1120,6 @@
+       switch (optc)
+         {
+         case 'b':
+-        case 'c':
+           /* Build the byte list. */
+           if (operating_mode != undefined_mode)
+             FATAL_ERROR (_("only one type of list may be specified"));
+@@ -791,6 +1127,14 @@
+           spec_list_string = optarg;
+           break;
+ 
++        case 'c':
++          /* Build the character list. */
++          if (operating_mode != undefined_mode)
++            FATAL_ERROR (_("only one type of list may be specified"));
++          operating_mode = character_mode;
++          spec_list_string = optarg;
++          break;
++
+         case 'f':
+           /* Build the field list. */
+           if (operating_mode != undefined_mode)
+@@ -802,10 +1146,35 @@
+         case 'd':
+           /* New delimiter. */
+           /* Interpret -d '' to mean 'use the NUL byte as the delimiter.'  */
+-          if (optarg[0] != '\0' && optarg[1] != '\0')
+-            FATAL_ERROR (_("the delimiter must be a single character"));
+-          delim = optarg[0];
+-          delim_specified = true;
++            {
++#if HAVE_MBRTOWC
++              if(MB_CUR_MAX > 1)
++                {
++                  mbstate_t state;
++
++                  memset (&state, '\0', sizeof(mbstate_t));
++                  delimlen = mbrtowc (&wcdelim, optarg, strnlen(optarg, 
MB_LEN_MAX), &state);
++
++                  if (delimlen == (size_t)-1 || delimlen == (size_t)-2)
++                    ++force_singlebyte_mode;
++                  else
++                    {
++                      delimlen = (delimlen < 1) ? 1 : delimlen;
++                      if (wcdelim != L'\0' && *(optarg + delimlen) != '\0')
++                        FATAL_ERROR (_("the delimiter must be a single 
character"));
++                      memcpy (mbdelim, optarg, delimlen);
++                    }
++                }
++
++              if (MB_CUR_MAX <= 1 || force_singlebyte_mode)
++#endif
++                {
++                  if (optarg[0] != '\0' && optarg[1] != '\0')
++                    FATAL_ERROR (_("the delimiter must be a single 
character"));
++                  delim = (unsigned char) optarg[0];
++                }
++            delim_specified = true;
++          }
+           break;
+ 
+         case OUTPUT_DELIMITER_OPTION:
+@@ -818,6 +1187,7 @@
+           break;
+ 
+         case 'n':
++          byte_mode_character_aware = 1;
+           break;
+ 
+         case 's':
+@@ -840,7 +1210,7 @@
+   if (operating_mode == undefined_mode)
+     FATAL_ERROR (_("you must specify a list of bytes, characters, or 
fields"));
+ 
+-  if (delim != '\0' && operating_mode != field_mode)
++  if (delim_specified && operating_mode != field_mode)
+     FATAL_ERROR (_("an input delimiter may be specified only\
+  when operating on fields"));
+ 
+@@ -867,15 +1237,34 @@
+     }
+ 
+   if (!delim_specified)
+-    delim = '\t';
++    {
++      delim = '\t';
++#ifdef HAVE_MBRTOWC
++      wcdelim = L'\t';
++      mbdelim[0] = '\t';
++      mbdelim[1] = '\0';
++      delimlen = 1;
++#endif
++    }
+ 
+   if (output_delimiter_string == NULL)
+     {
+-      static char dummy[2];
+-      dummy[0] = delim;
+-      dummy[1] = '\0';
+-      output_delimiter_string = dummy;
+-      output_delimiter_length = 1;
++#ifdef HAVE_MBRTOWC
++      if (MB_CUR_MAX > 1 && !force_singlebyte_mode)
++        {
++          output_delimiter_string = xstrdup(mbdelim);
++          output_delimiter_length = delimlen;
++        }
++
++      if (MB_CUR_MAX <= 1 || force_singlebyte_mode)
++#endif
++        {
++          static char dummy[2];
++          dummy[0] = delim;
++          dummy[1] = '\0';
++          output_delimiter_string = dummy;
++          output_delimiter_length = 1;
++        }
+     }
+ 
+   if (optind == argc)
+diff -Naur coreutils-8.16.orig/src/expand.c coreutils-8.16/src/expand.c
+--- coreutils-8.16.orig/src/expand.c   2012-03-24 20:26:51.000000000 +0000
++++ coreutils-8.16/src/expand.c        2012-03-31 08:05:42.533771546 +0000
+@@ -37,12 +37,29 @@
+ #include <stdio.h>
+ #include <getopt.h>
+ #include <sys/types.h>
++
++/* Get mbstate_t, mbrtowc(), wcwidth(). */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++
+ #include "system.h"
+ #include "error.h"
+ #include "fadvise.h"
+ #include "quote.h"
+ #include "xstrndup.h"
+ 
++/* MB_LEN_MAX is incorrectly defined to be 1 in at least one GCC
++   installation; work around this configuration error.  */
++#if !defined MB_LEN_MAX || MB_LEN_MAX < 2
++# define MB_LEN_MAX 16
++#endif
++
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
+ /* The official name of this program (e.g., no 'g' prefix).  */
+ #define PROGRAM_NAME "expand"
+ 
+@@ -358,6 +375,142 @@
+     }
+ }
+ 
++#if HAVE_MBRTOWC
++static void
++expand_multibyte (void)
++{
++  FILE *fp;                   /* Input strem. */
++  mbstate_t i_state;          /* Current shift state of the input stream. */
++  mbstate_t i_state_bak;      /* Back up the I_STATE. */
++  mbstate_t o_state;          /* Current shift state of the output stream. */
++  char buf[MB_LEN_MAX + BUFSIZ];  /* For spooling a read byte sequence. */
++  char *bufpos = buf;                 /* Next read position of BUF. */
++  size_t buflen = 0;          /* The length of the byte sequence in buf. */
++  wchar_t wc;                 /* A gotten wide character. */
++  size_t mblength;            /* The byte size of a multibyte character
++                                 which shows as same character as WC. */
++  int tab_index = 0;          /* Index in `tab_list' of next tabstop. */
++  int column = 0;             /* Column on screen of the next char. */
++  int next_tab_column;                /* Column the next tab stop is on. */
++  int convert = 1;            /* If nonzero, perform translations. */
++
++  fp = next_file ((FILE *) NULL);
++  if (fp == NULL)
++    return;
++
++  memset (&o_state, '\0', sizeof(mbstate_t));
++  memset (&i_state, '\0', sizeof(mbstate_t));
++
++  for (;;)
++    {
++      /* Refill the buffer BUF. */
++      if (buflen < MB_LEN_MAX && !feof(fp) && !ferror(fp))
++      {
++        memmove (buf, bufpos, buflen);
++        buflen += fread (buf + buflen, sizeof(char), BUFSIZ, fp);
++        bufpos = buf;
++      }
++
++      /* No character is left in BUF. */
++      if (buflen < 1)
++      {
++        fp = next_file (fp);
++
++        if (fp == NULL)
++          break;              /* No more files. */
++        else
++          {
++            memset (&i_state, '\0', sizeof(mbstate_t));
++            continue;
++          }
++      }
++
++      /* Get a wide character. */
++      i_state_bak = i_state;
++      mblength = mbrtowc (&wc, bufpos, buflen, &i_state);
++
++      switch (mblength)
++      {
++      case (size_t)-1:        /* illegal byte sequence. */
++      case (size_t)-2:
++        mblength = 1;
++        i_state = i_state_bak;
++        if (convert)
++          {
++            ++column;
++            if (convert_entire_line == 0)
++              convert = 0;
++          }
++        putchar (*bufpos);
++        break;
++
++      case 0:         /* null. */
++        mblength = 1;
++        if (convert && convert_entire_line == 0)
++          convert = 0;
++        putchar ('\0');
++        break;
++
++      default:
++        if (wc == L'\n')   /* LF. */
++          {
++            tab_index = 0;
++            column = 0;
++            convert = 1;
++            putchar ('\n');
++          }
++        else if (wc == L'\t' && convert)      /* Tab. */
++          {
++            if (tab_size == 0)
++              {
++                /* Do not let tab_index == first_free_tab;
++                   stop when it is 1 less. */
++                while (tab_index < first_free_tab - 1
++                    && column >= tab_list[tab_index])
++                  tab_index++;
++                next_tab_column = tab_list[tab_index];
++                if (tab_index < first_free_tab - 1)
++                  tab_index++;
++                if (column >= next_tab_column)
++                  next_tab_column = column + 1;
++              }
++            else
++              next_tab_column = column + tab_size - column % tab_size;
++
++            while (column < next_tab_column)
++              {
++                putchar (' ');
++                ++column;
++              }
++          }
++        else  /* Others. */
++          {
++            if (convert)
++              {
++                if (wc == L'\b')
++                  {
++                    if (column > 0)
++                      --column;
++                  }
++                else
++                  {
++                    int width;                /* The width of WC. */
++
++                    width = wcwidth (wc);
++                    column += (width > 0) ? width : 0;
++                    if (convert_entire_line == 0)
++                      convert = 0;
++                  }
++              }
++            fwrite (bufpos, sizeof(char), mblength, stdout);
++          }
++      }
++      buflen -= mblength;
++      bufpos += mblength;
++    }
++}
++#endif
++
+ int
+ main (int argc, char **argv)
+ {
+@@ -422,7 +575,12 @@
+ 
+   file_list = (optind < argc ? &argv[optind] : stdin_argv);
+ 
+-  expand ();
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    expand_multibyte ();
++  else
++#endif
++    expand ();
+ 
+   if (have_read_stdin && fclose (stdin) != 0)
+     error (EXIT_FAILURE, errno, "-");
+diff -Naur coreutils-8.16.orig/src/fold.c coreutils-8.16/src/fold.c
+--- coreutils-8.16.orig/src/fold.c     2012-03-24 18:22:13.000000000 +0000
++++ coreutils-8.16/src/fold.c  2012-03-31 08:05:42.533771546 +0000
+@@ -22,12 +22,34 @@
+ #include <getopt.h>
+ #include <sys/types.h>
+ 
++/* Get mbstate_t, mbrtowc(), wcwidth().  */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++
++/* Get iswprint(), iswblank(), wcwidth().  */
++#if HAVE_WCTYPE_H
++# include <wctype.h>
++#endif
++
+ #include "system.h"
+ #include "error.h"
+ #include "fadvise.h"
+ #include "quote.h"
+ #include "xstrtol.h"
+ 
++/* MB_LEN_MAX is incorrectly defined to be 1 in at least one GCC
++      installation; work around this configuration error.  */
++#if !defined MB_LEN_MAX || MB_LEN_MAX < 2
++# undef MB_LEN_MAX
++# define MB_LEN_MAX 16
++#endif
++
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
+ #define TAB_WIDTH 8
+ 
+ /* The official name of this program (e.g., no 'g' prefix).  */
+@@ -35,20 +57,41 @@
+ 
+ #define AUTHORS proper_name ("David MacKenzie")
+ 
++#define FATAL_ERROR(Message)                                            \
++  do                                                                    \
++    {                                                                   \
++      error (0, 0, (Message));                                          \
++      usage (2);                                                        \
++    }                                                                   \
++  while (0)
++
++enum operating_mode
++{
++  /* Fold texts by columns that are at the given positions. */
++  column_mode,
++
++  /* Fold texts by bytes that are at the given positions. */
++  byte_mode,
++
++  /* Fold texts by characters that are at the given positions. */
++  character_mode,
++};
++
++/* The argument shows current mode. (Default: column_mode) */
++static enum operating_mode operating_mode;
++
+ /* If nonzero, try to break on whitespace. */
+ static bool break_spaces;
+ 
+-/* If nonzero, count bytes, not column positions. */
+-static bool count_bytes;
+-
+ /* If nonzero, at least one of the files we read was standard input. */
+ static bool have_read_stdin;
+ 
+-static char const shortopts[] = "bsw:0::1::2::3::4::5::6::7::8::9::";
++static char const shortopts[] = "bcsw:0::1::2::3::4::5::6::7::8::9::";
+ 
+ static struct option const longopts[] =
+ {
+   {"bytes", no_argument, NULL, 'b'},
++  {"characters", no_argument, NULL, 'c'},
+   {"spaces", no_argument, NULL, 's'},
+   {"width", required_argument, NULL, 'w'},
+   {GETOPT_HELP_OPTION_DECL},
+@@ -77,6 +120,7 @@
+ "), stdout);
+       fputs (_("\
+   -b, --bytes         count bytes rather than columns\n\
++  -c, --characters    count characters rather than columns\n\
+   -s, --spaces        break at spaces\n\
+   -w, --width=WIDTH   use WIDTH columns instead of 80\n\
+ "), stdout);
+@@ -94,7 +138,7 @@
+ static size_t
+ adjust_column (size_t column, char c)
+ {
+-  if (!count_bytes)
++  if (operating_mode != byte_mode)
+     {
+       if (c == '\b')
+         {
+@@ -117,30 +161,14 @@
+    to stdout, with maximum line length WIDTH.
+    Return true if successful.  */
+ 
+-static bool
+-fold_file (char const *filename, size_t width)
++static void
++fold_text (FILE *istream, size_t width, int *saved_errno)
+ {
+-  FILE *istream;
+   int c;
+   size_t column = 0;          /* Screen column where next char will go. */
+   size_t offset_out = 0;      /* Index in 'line_out' for next char. */
+   static char *line_out = NULL;
+   static size_t allocated_out = 0;
+-  int saved_errno;
+-
+-  if (STREQ (filename, "-"))
+-    {
+-      istream = stdin;
+-      have_read_stdin = true;
+-    }
+-  else
+-    istream = fopen (filename, "r");
+-
+-  if (istream == NULL)
+-    {
+-      error (0, errno, "%s", filename);
+-      return false;
+-    }
+ 
+   fadvise (istream, FADVISE_SEQUENTIAL);
+ 
+@@ -170,6 +198,15 @@
+               bool found_blank = false;
+               size_t logical_end = offset_out;
+ 
++              /* If LINE_OUT has no wide character,
++                 put a new wide character in LINE_OUT
++                 if column is bigger than width. */
++              if (offset_out == 0)
++                {
++                  line_out[offset_out++] = c;
++                  continue;
++                }
++
+               /* Look for the last blank. */
+               while (logical_end)
+                 {
+@@ -216,11 +253,221 @@
+       line_out[offset_out++] = c;
+     }
+ 
+-  saved_errno = errno;
++  *saved_errno = errno;
++
++  if (offset_out)
++    fwrite (line_out, sizeof (char), (size_t) offset_out, stdout);
++
++}
++
++#if HAVE_MBRTOWC
++static void
++fold_multibyte_text (FILE *istream, size_t width, int *saved_errno)
++{
++  char buf[MB_LEN_MAX + BUFSIZ];  /* For spooling a read byte sequence. */
++  size_t buflen = 0;        /* The length of the byte sequence in buf. */
++  char *bufpos = buf;         /* Next read position of BUF. */
++  wint_t wc;                /* A gotten wide character. */
++  size_t mblength;        /* The byte size of a multibyte character which 
shows
++                           as same character as WC. */
++  mbstate_t state, state_bak;        /* State of the stream. */
++  int convfail = 0;                /* 1, when conversion is failed. Otherwise 
0. */
++
++  static char *line_out = NULL;
++  size_t offset_out = 0;        /* Index in `line_out' for next char. */
++  static size_t allocated_out = 0;
++
++  int increment;
++  size_t column = 0;
++
++  size_t last_blank_pos;
++  size_t last_blank_column;
++  int is_blank_seen;
++  int last_blank_increment = 0;
++  int is_bs_following_last_blank;
++  size_t bs_following_last_blank_num;
++  int is_cr_after_last_blank;
++
++#define CLEAR_FLAGS                                \
++   do                                                \
++     {                                                \
++        last_blank_pos = 0;                        \
++        last_blank_column = 0;                        \
++        is_blank_seen = 0;                        \
++        is_bs_following_last_blank = 0;                \
++        bs_following_last_blank_num = 0;        \
++        is_cr_after_last_blank = 0;                \
++     }                                                \
++   while (0)
++
++#define START_NEW_LINE                        \
++   do                                        \
++     {                                        \
++      putchar ('\n');                        \
++      column = 0;                        \
++      offset_out = 0;                        \
++      CLEAR_FLAGS;                        \
++    }                                        \
++   while (0)
++
++  CLEAR_FLAGS;
++  memset (&state, '\0', sizeof(mbstate_t));
++
++  for (;; bufpos += mblength, buflen -= mblength)
++    {
++      if (buflen < MB_LEN_MAX && !feof (istream) && !ferror (istream))
++        {
++          memmove (buf, bufpos, buflen);
++          buflen += fread (buf + buflen, sizeof(char), BUFSIZ, istream);
++          bufpos = buf;
++        }
++
++      if (buflen < 1)
++        break;
++
++      /* Get a wide character. */
++      state_bak = state;
++      mblength = mbrtowc ((wchar_t *)&wc, bufpos, buflen, &state);
++
++      switch (mblength)
++        {
++        case (size_t)-1:
++        case (size_t)-2:
++          convfail++;
++          state = state_bak;
++          /* Fall through. */
++
++        case 0:
++          mblength = 1;
++          break;
++        }
++
++rescan:
++      if (operating_mode == byte_mode)                        /* byte mode */
++        increment = mblength;
++      else if (operating_mode == character_mode)        /* character mode */
++        increment = 1;
++      else                                                /* column mode */
++        {
++          if (convfail)
++            increment = 1;
++          else
++            {
++              switch (wc)
++                {
++                case L'\n':
++                  fwrite (line_out, sizeof(char), offset_out, stdout);
++                  START_NEW_LINE;
++                  continue;
++                  
++                case L'\b':
++                  increment = (column > 0) ? -1 : 0;
++                  break;
++
++                case L'\r':
++                  increment = -1 * column;
++                  break;
++
++                case L'\t':
++                  increment = 8 - column % 8;
++                  break;
++
++                default:
++                  increment = wcwidth (wc);
++                  increment = (increment < 0) ? 0 : increment;
++                }
++            }
++        }
++
++      if (column + increment > width && break_spaces && last_blank_pos)
++        {
++          fwrite (line_out, sizeof(char), last_blank_pos, stdout);
++          putchar ('\n');
++
++          offset_out = offset_out - last_blank_pos;
++          column = column - last_blank_column + ((is_cr_after_last_blank)
++              ? last_blank_increment : bs_following_last_blank_num);
++          memmove (line_out, line_out + last_blank_pos, offset_out);
++          CLEAR_FLAGS;
++          goto rescan;
++        }
++
++      if (column + increment > width && column != 0)
++        {
++          fwrite (line_out, sizeof(char), offset_out, stdout);
++          START_NEW_LINE;
++          goto rescan;
++        }
++
++      if (allocated_out < offset_out + mblength)
++        {
++          line_out = X2REALLOC (line_out, &allocated_out);
++        }
++
++      memcpy (line_out + offset_out, bufpos, mblength);
++      offset_out += mblength;
++      column += increment;
++
++      if (is_blank_seen && !convfail && wc == L'\r')
++        is_cr_after_last_blank = 1;
++
++      if (is_bs_following_last_blank && !convfail && wc == L'\b')
++        ++bs_following_last_blank_num;
++      else
++        is_bs_following_last_blank = 0;
++
++      if (break_spaces && !convfail && iswblank (wc))
++        {
++          last_blank_pos = offset_out;
++          last_blank_column = column;
++          is_blank_seen = 1;
++          last_blank_increment = increment;
++          is_bs_following_last_blank = 1;
++          bs_following_last_blank_num = 0;
++          is_cr_after_last_blank = 0;
++        }
++    }
++
++  *saved_errno = errno;
+ 
+   if (offset_out)
+     fwrite (line_out, sizeof (char), (size_t) offset_out, stdout);
+ 
++}
++#endif
++
++/* Fold file FILENAME, or standard input if FILENAME is "-",
++   to stdout, with maximum line length WIDTH.
++   Return 0 if successful, 1 if an error occurs. */
++
++static bool
++fold_file (char *filename, size_t width)
++{
++  FILE *istream;
++  int saved_errno;
++
++  if (STREQ (filename, "-"))
++    {
++      istream = stdin;
++      have_read_stdin = 1;
++    }
++  else
++    istream = fopen (filename, "r");
++
++  if (istream == NULL)
++    {
++      error (0, errno, "%s", filename);
++      return 1;
++    }
++
++  /* Define how ISTREAM is being folded. */
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    fold_multibyte_text (istream, width, &saved_errno);
++  else
++#endif
++    fold_text (istream, width, &saved_errno);
++
+   if (ferror (istream))
+     {
+       error (0, saved_errno, "%s", filename);
+@@ -253,7 +500,8 @@
+ 
+   atexit (close_stdout);
+ 
+-  break_spaces = count_bytes = have_read_stdin = false;
++  operating_mode = column_mode;
++  break_spaces = have_read_stdin = false;
+ 
+   while ((optc = getopt_long (argc, argv, shortopts, longopts, NULL)) != -1)
+     {
+@@ -262,7 +510,15 @@
+       switch (optc)
+         {
+         case 'b':             /* Count bytes rather than columns. */
+-          count_bytes = true;
++          if (operating_mode != column_mode)
++            FATAL_ERROR (_("only one way of folding may be specified"));
++          operating_mode = byte_mode;
++          break;
++
++        case 'c':
++          if (operating_mode != column_mode)
++            FATAL_ERROR (_("only one way of folding may be specified"));
++          operating_mode = character_mode;
+           break;
+ 
+         case 's':             /* Break at word boundaries. */
+diff -Naur coreutils-8.16.orig/src/join.c coreutils-8.16/src/join.c
+--- coreutils-8.16.orig/src/join.c     2012-03-24 20:26:51.000000000 +0000
++++ coreutils-8.16/src/join.c  2012-03-31 08:05:42.534771547 +0000
+@@ -22,18 +22,32 @@
+ #include <sys/types.h>
+ #include <getopt.h>
+ 
++/* Get mbstate_t, mbrtowc(), mbrtowc(), wcwidth().  */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++
++/* Get iswblank(), towupper.  */
++#if HAVE_WCTYPE_H
++# include <wctype.h>
++#endif
++
+ #include "system.h"
+ #include "error.h"
+ #include "fadvise.h"
+ #include "hard-locale.h"
+ #include "linebuffer.h"
+-#include "memcasecmp.h"
+ #include "quote.h"
+ #include "stdio--.h"
+ #include "xmemcoll.h"
+ #include "xstrtol.h"
+ #include "argmatch.h"
+ 
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
+ /* The official name of this program (e.g., no 'g' prefix).  */
+ #define PROGRAM_NAME "join"
+ 
+@@ -135,10 +149,12 @@
+ /* Last element in 'outlist', where a new element can be added.  */
+ static struct outlist *outlist_end = &outlist_head;
+ 
+-/* Tab character separating fields.  If negative, fields are separated
+-   by any nonempty string of blanks, otherwise by exactly one
+-   tab character whose value (when cast to unsigned char) equals TAB.  */
+-static int tab = -1;
++/* Tab character separating fields.  If NULL, fields are separated
++   by any nonempty string of blanks.  */
++static char *tab = NULL;
++
++/* The number of bytes used for tab. */
++static size_t tablen = 0;
+ 
+ /* If nonzero, check that the input is correctly ordered. */
+ static enum
+@@ -262,13 +278,14 @@
+   if (ptr == lim)
+     return;
+ 
+-  if (0 <= tab && tab != '\n')
++  if (tab != NULL)
+     {
++      unsigned char t = tab[0];
+       char *sep;
+-      for (; (sep = memchr (ptr, tab, lim - ptr)) != NULL; ptr = sep + 1)
++      for (; (sep = memchr (ptr, t, lim - ptr)) != NULL; ptr = sep + 1)
+         extract_field (line, ptr, sep - ptr);
+     }
+-  else if (tab < 0)
++   else
+     {
+       /* Skip leading blanks before the first field.  */
+       while (isblank (to_uchar (*ptr)))
+@@ -292,6 +309,148 @@
+   extract_field (line, ptr, lim - ptr);
+ }
+ 
++#if HAVE_MBRTOWC
++static void
++xfields_multibyte (struct line *line)
++{
++  char *ptr = line->buf.buffer;
++  char const *lim = ptr + line->buf.length - 1;
++  wchar_t wc = 0;
++  size_t mblength = 1;
++  mbstate_t state, state_bak;
++
++  memset (&state, 0, sizeof (mbstate_t));
++
++  if (ptr >= lim)
++    return;
++
++  if (tab != NULL)
++    {
++      unsigned char t = tab[0];
++      char *sep = ptr;
++      for (; ptr < lim; ptr = sep + mblength)
++      {
++        sep = ptr;
++        while (sep < lim)
++          {
++            state_bak = state;
++            mblength = mbrtowc (&wc, sep, lim - sep + 1, &state);
++
++            if (mblength == (size_t)-1 || mblength == (size_t)-2)
++              {
++                mblength = 1;
++                state = state_bak;
++              }
++            mblength = (mblength < 1) ? 1 : mblength;
++
++            if (mblength == tablen && !memcmp (sep, tab, mblength))
++              break;
++            else
++              {
++                sep += mblength;
++                continue;
++              }
++          }
++
++        if (sep >= lim)
++          break;
++
++        extract_field (line, ptr, sep - ptr);
++      }
++    }
++  else
++    {
++      /* Skip leading blanks before the first field.  */
++      while(ptr < lim)
++      {
++        state_bak = state;
++        mblength = mbrtowc (&wc, ptr, lim - ptr + 1, &state);
++
++        if (mblength == (size_t)-1 || mblength == (size_t)-2)
++          {
++            mblength = 1;
++            state = state_bak;
++            break;
++          }
++        mblength = (mblength < 1) ? 1 : mblength;
++
++        if (!iswblank(wc))
++          break;
++        ptr += mblength;
++      }
++
++      do
++      {
++        char *sep;
++        state_bak = state;
++        mblength = mbrtowc (&wc, ptr, lim - ptr + 1, &state);
++        if (mblength == (size_t)-1 || mblength == (size_t)-2)
++          {
++            mblength = 1;
++            state = state_bak;
++            break;
++          }
++        mblength = (mblength < 1) ? 1 : mblength;
++
++        sep = ptr + mblength;
++        while (sep < lim)
++          {
++            state_bak = state;
++            mblength = mbrtowc (&wc, sep, lim - sep + 1, &state);
++            if (mblength == (size_t)-1 || mblength == (size_t)-2)
++              {
++                mblength = 1;
++                state = state_bak;
++                break;
++              }
++            mblength = (mblength < 1) ? 1 : mblength;
++
++            if (iswblank (wc))
++              break;
++
++            sep += mblength;
++          }
++
++        extract_field (line, ptr, sep - ptr);
++        if (sep >= lim)
++          return;
++
++        state_bak = state;
++        mblength = mbrtowc (&wc, sep, lim - sep + 1, &state);
++        if (mblength == (size_t)-1 || mblength == (size_t)-2)
++          {
++            mblength = 1;
++            state = state_bak;
++            break;
++          }
++        mblength = (mblength < 1) ? 1 : mblength;
++
++        ptr = sep + mblength;
++        while (ptr < lim)
++          {
++            state_bak = state;
++            mblength = mbrtowc (&wc, ptr, lim - ptr + 1, &state);
++            if (mblength == (size_t)-1 || mblength == (size_t)-2)
++              {
++                mblength = 1;
++                state = state_bak;
++                break;
++              }
++            mblength = (mblength < 1) ? 1 : mblength;
++
++            if (!iswblank (wc))
++              break;
++
++            ptr += mblength;
++          }
++      }
++      while (ptr < lim);
++    }
++
++  extract_field (line, ptr, lim - ptr);
++}
++#endif
++ 
+ static void
+ freeline (struct line *line)
+ {
+@@ -313,56 +472,115 @@
+         size_t jf_1, size_t jf_2)
+ {
+   /* Start of field to compare in each file.  */
+-  char *beg1;
+-  char *beg2;
+-
+-  size_t len1;
+-  size_t len2;                /* Length of fields to compare.  */
++  char *beg[2];
++  char *copy[2];
++  size_t len[2];      /* Length of fields to compare.  */
+   int diff;
++  int i, j;
+ 
+   if (jf_1 < line1->nfields)
+     {
+-      beg1 = line1->fields[jf_1].beg;
+-      len1 = line1->fields[jf_1].len;
++      beg[0] = line1->fields[jf_1].beg;
++      len[0] = line1->fields[jf_1].len;
+     }
+   else
+     {
+-      beg1 = NULL;
+-      len1 = 0;
++      beg[0] = NULL;
++      len[0] = 0;
+     }
+ 
+   if (jf_2 < line2->nfields)
+     {
+-      beg2 = line2->fields[jf_2].beg;
+-      len2 = line2->fields[jf_2].len;
++      beg[1] = line2->fields[jf_2].beg;
++      len[1] = line2->fields[jf_2].len;
+     }
+   else
+     {
+-      beg2 = NULL;
+-      len2 = 0;
++      beg[1] = NULL;
++      len[1] = 0;
+     }
+ 
+-  if (len1 == 0)
+-    return len2 == 0 ? 0 : -1;
+-  if (len2 == 0)
++  if (len[0] == 0)
++    return len[1] == 0 ? 0 : -1;
++  if (len[1] == 0)
+     return 1;
+ 
+   if (ignore_case)
+     {
+-      /* FIXME: ignore_case does not work with NLS (in particular,
+-         with multibyte chars).  */
+-      diff = memcasecmp (beg1, beg2, MIN (len1, len2));
++#ifdef HAVE_MBRTOWC
++      if (MB_CUR_MAX > 1)
++      {
++        size_t mblength;
++        wchar_t wc, uwc;
++        mbstate_t state, state_bak;
++
++        memset (&state, '\0', sizeof (mbstate_t));
++
++        for (i = 0; i < 2; i++)
++          {
++            copy[i] = alloca (len[i] + 1);
++
++            for (j = 0; j < MIN (len[0], len[1]);)
++              {
++                state_bak = state;
++                mblength = mbrtowc (&wc, beg[i] + j, len[i] - j, &state);
++
++                switch (mblength)
++                  {
++                  case (size_t) -1:
++                  case (size_t) -2:
++                    state = state_bak;
++                    /* Fall through */
++                  case 0:
++                    mblength = 1;
++                    break;
++
++                  default:
++                    uwc = towupper (wc);
++
++                    if (uwc != wc)
++                      {
++                        mbstate_t state_wc;
++
++                        memset (&state_wc, '\0', sizeof (mbstate_t));
++                        wcrtomb (copy[i] + j, uwc, &state_wc);
++                      }
++                    else
++                      memcpy (copy[i] + j, beg[i] + j, mblength);
++                  }
++                j += mblength;
++              }
++            copy[i][j] = '\0';
++          }
++      }
++      else
++#endif
++      {
++        for (i = 0; i < 2; i++)
++          {
++            copy[i] = alloca (len[i] + 1);
++
++            for (j = 0; j < MIN (len[0], len[1]); j++)
++              copy[i][j] = toupper (beg[i][j]);
++
++            copy[i][j] = '\0';
++          }
++      }
+     }
+   else
+     {
+-      if (hard_LC_COLLATE)
+-        return xmemcoll (beg1, len1, beg2, len2);
+-      diff = memcmp (beg1, beg2, MIN (len1, len2));
++      copy[0] = (unsigned char *) beg[0];
++      copy[1] = (unsigned char *) beg[1];
+     }
+ 
++  if (hard_LC_COLLATE)
++    return xmemcoll ((char *) copy[0], len[0], (char *) copy[1], len[1]);
++  diff = memcmp (copy[0], copy[1], MIN (len[0], len[1]));
++
++
+   if (diff)
+     return diff;
+-  return len1 < len2 ? -1 : len1 != len2;
++  return len[0] - len[1];
+ }
+ 
+ /* Check that successive input lines PREV and CURRENT from input file
+@@ -454,6 +672,11 @@
+     }
+   ++line_no[which - 1];
+ 
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    xfields_multibyte (line);
++  else
++#endif
+   xfields (line);
+ 
+   if (prevline[which - 1])
+@@ -553,21 +776,28 @@
+ 
+ /* Output all the fields in line, other than the join field.  */
+ 
++#define PUT_TAB_CHAR                                                  \
++  do                                                                  \
++    {                                                                 \
++      (tab != NULL) ?                                                 \
++      fwrite(tab, sizeof(char), tablen, stdout) : putchar (' ');      \
++    }                                                                 \
++  while (0)
++
+ static void
+ prfields (struct line const *line, size_t join_field, size_t autocount)
+ {
+   size_t i;
+   size_t nfields = autoformat ? autocount : line->nfields;
+-  char output_separator = tab < 0 ? ' ' : tab;
+ 
+   for (i = 0; i < join_field && i < nfields; ++i)
+     {
+-      putchar (output_separator);
++      PUT_TAB_CHAR;
+       prfield (i, line);
+     }
+   for (i = join_field + 1; i < nfields; ++i)
+     {
+-      putchar (output_separator);
++      PUT_TAB_CHAR;
+       prfield (i, line);
+     }
+ }
+@@ -578,7 +808,6 @@
+ prjoin (struct line const *line1, struct line const *line2)
+ {
+   const struct outlist *outlist;
+-  char output_separator = tab < 0 ? ' ' : tab;
+   size_t field;
+   struct line const *line;
+ 
+@@ -612,7 +841,7 @@
+           o = o->next;
+           if (o == NULL)
+             break;
+-          putchar (output_separator);
++          PUT_TAB_CHAR;
+         }
+       putchar ('\n');
+     }
+@@ -1090,21 +1319,46 @@
+ 
+         case 't':
+           {
+-            unsigned char newtab = optarg[0];
++            char *newtab = NULL;
++            size_t newtablen;
++            newtab = xstrdup (optarg);
++#if HAVE_MBRTOWC
++            if (MB_CUR_MAX > 1)
++              {
++                mbstate_t state;
++
++                memset (&state, 0, sizeof (mbstate_t));
++                newtablen = mbrtowc (NULL, newtab,
++                                     strnlen (newtab, MB_LEN_MAX),
++                                     &state);
++                if (newtablen == (size_t) 0
++                    || newtablen == (size_t) -1
++                    || newtablen == (size_t) -2)
++                  newtablen = 1;
++              }
++            else
++#endif
++              newtablen = 1;
+             if (! newtab)
+-              newtab = '\n'; /* '' => process the whole line.  */
++            {
++              newtab = "\n"; /* '' => process the whole line.  */
++            }
+             else if (optarg[1])
+               {
+-                if (STREQ (optarg, "\\0"))
+-                  newtab = '\0';
+-                else
+-                  error (EXIT_FAILURE, 0, _("multi-character tab %s"),
+-                         quote (optarg));
++                if (newtablen == 1 && newtab[1])
++                {
++                  if (STREQ (newtab, "\\0"))
++                     newtab[0] = '\0';
++                }
++              }
++            if (tab != NULL && strcmp (tab, newtab))
++              {
++                free (newtab);
++                error (EXIT_FAILURE, 0, _("incompatible tabs"));
+               }
+-            if (0 <= tab && tab != newtab)
+-              error (EXIT_FAILURE, 0, _("incompatible tabs"));
+             tab = newtab;
+-          }
++            tablen = newtablen;
++           }
+           break;
+ 
+         case NOCHECK_ORDER_OPTION:
+diff -Naur coreutils-8.16.orig/src/pr.c coreutils-8.16/src/pr.c
+--- coreutils-8.16.orig/src/pr.c       2012-03-24 20:26:51.000000000 +0000
++++ coreutils-8.16/src/pr.c    2012-03-31 08:05:42.535771548 +0000
+@@ -312,6 +312,32 @@
+ 
+ #include <getopt.h>
+ #include <sys/types.h>
++
++/* Get MB_LEN_MAX.  */
++#include <limits.h>
++/* MB_LEN_MAX is incorrectly defined to be 1 in at least one GCC
++   installation; work around this configuration error.  */
++#if !defined MB_LEN_MAX || MB_LEN_MAX == 1
++# define MB_LEN_MAX 16
++#endif
++
++/* Get MB_CUR_MAX.  */
++#include <stdlib.h>
++
++/* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>.  */
++/* Get mbstate_t, mbrtowc(), wcwidth().  */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++
++/* Get iswprint(). -- for wcwidth().  */
++#if HAVE_WCTYPE_H
++# include <wctype.h>
++#endif
++#if !defined iswprint && !HAVE_ISWPRINT
++# define iswprint(wc) 1
++#endif
++
+ #include "system.h"
+ #include "error.h"
+ #include "fadvise.h"
+@@ -323,6 +349,18 @@
+ #include "strftime.h"
+ #include "xstrtol.h"
+ 
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
++#ifndef HAVE_DECL_WCWIDTH
++"this configure-time declaration test was not run"
++#endif
++#if !HAVE_DECL_WCWIDTH
++extern int wcwidth ();
++#endif
++
+ /* The official name of this program (e.g., no 'g' prefix).  */
+ #define PROGRAM_NAME "pr"
+ 
+@@ -415,7 +453,20 @@
+ 
+ typedef struct COLUMN COLUMN;
+ 
+-static int char_to_clump (char c);
++/* Funtion pointers to switch functions for single byte locale or for
++   multibyte locale. If multibyte functions do not exist in your sysytem,
++   these pointers always point the function for single byte locale. */
++static void (*print_char) (char c);
++static int (*char_to_clump) (char c);
++
++/* Functions for single byte locale. */
++static void print_char_single (char c);
++static int char_to_clump_single (char c);
++
++/* Functions for multibyte locale. */
++static void print_char_multi (char c);
++static int char_to_clump_multi (char c);
++
+ static bool read_line (COLUMN *p);
+ static bool print_page (void);
+ static bool print_stored (COLUMN *p);
+@@ -425,6 +476,7 @@
+ static void pad_across_to (int position);
+ static void add_line_number (COLUMN *p);
+ static void getoptarg (char *arg, char switch_char, char *character,
++                       int *character_length, int *character_width,
+                        int *number);
+ static void print_files (int number_of_files, char **av);
+ static void init_parameters (int number_of_files);
+@@ -438,7 +490,6 @@
+ static void pad_down (int lines);
+ static void read_rest_of_line (COLUMN *p);
+ static void skip_read (COLUMN *p, int column_number);
+-static void print_char (char c);
+ static void cleanup (void);
+ static void print_sep_string (void);
+ static void separator_string (const char *optarg_S);
+@@ -450,7 +501,7 @@
+    we store the leftmost columns contiguously in buff.
+    To print a line from buff, get the index of the first character
+    from line_vector[i], and print up to line_vector[i + 1]. */
+-static char *buff;
++static unsigned char *buff;
+ 
+ /* Index of the position in buff where the next character
+    will be stored. */
+@@ -554,7 +605,7 @@
+ static bool untabify_input = false;
+ 
+ /* (-e) The input tab character. */
+-static char input_tab_char = '\t';
++static char input_tab_char[MB_LEN_MAX] = "\t";
+ 
+ /* (-e) Tabstops are at chars_per_tab, 2*chars_per_tab, 3*chars_per_tab, ...
+    where the leftmost column is 1. */
+@@ -564,7 +615,10 @@
+ static bool tabify_output = false;
+ 
+ /* (-i) The output tab character. */
+-static char output_tab_char = '\t';
++static char output_tab_char[MB_LEN_MAX] = "\t";
++
++/* (-i) The byte length of output tab character. */
++static int output_tab_char_length = 1;
+ 
+ /* (-i) The width of the output tab. */
+ static int chars_per_output_tab = 8;
+@@ -638,7 +692,13 @@
+ static bool numbered_lines = false;
+ 
+ /* (-n) Character which follows each line number. */
+-static char number_separator = '\t';
++static char number_separator[MB_LEN_MAX] = "\t";
++
++/* (-n) The byte length of the character which follows each line number. */
++static int number_separator_length = 1;
++
++/* (-n) The character width of the character which follows each line number. 
*/
++static int number_separator_width = 0;
+ 
+ /* (-n) line counting starts with 1st line of input file (not with 1st
+    line of 1st page printed). */
+@@ -691,6 +751,7 @@
+    -a|COLUMN|-m is a 'space' and with the -J option a 'tab'. */
+ static char *col_sep_string = (char *) "";
+ static int col_sep_length = 0;
++static int col_sep_width = 0;
+ static char *column_separator = (char *) " ";
+ static char *line_separator = (char *) "\t";
+ 
+@@ -847,6 +908,13 @@
+   col_sep_length = (int) strlen (optarg_S);
+   col_sep_string = xmalloc (col_sep_length + 1);
+   strcpy (col_sep_string, optarg_S);
++
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    col_sep_width = mbswidth (col_sep_string, 0);
++  else
++#endif
++    col_sep_width = col_sep_length;
+ }
+ 
+ int
+@@ -871,6 +939,21 @@
+ 
+   atexit (close_stdout);
+ 
++/* Define which functions are used, the ones for single byte locale or the 
ones
++   for multibyte locale. */
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    {
++      print_char = print_char_multi;
++      char_to_clump = char_to_clump_multi;
++    }
++  else
++#endif
++    {
++      print_char = print_char_single;
++      char_to_clump = char_to_clump_single;
++    }
++
+   n_files = 0;
+   file_names = (argc > 1
+                 ? xmalloc ((argc - 1) * sizeof (char *))
+@@ -947,8 +1030,12 @@
+           break;
+         case 'e':
+           if (optarg)
+-            getoptarg (optarg, 'e', &input_tab_char,
+-                       &chars_per_input_tab);
++            {
++              int dummy_length, dummy_width;
++
++              getoptarg (optarg, 'e', input_tab_char, &dummy_length,
++                         &dummy_width, &chars_per_input_tab);
++            }
+           /* Could check tab width > 0. */
+           untabify_input = true;
+           break;
+@@ -961,8 +1048,12 @@
+           break;
+         case 'i':
+           if (optarg)
+-            getoptarg (optarg, 'i', &output_tab_char,
+-                       &chars_per_output_tab);
++            {
++              int dummy_width;
++
++              getoptarg (optarg, 'i', output_tab_char, 
&output_tab_char_length,
++                         &dummy_width, &chars_per_output_tab);
++            }
+           /* Could check tab width > 0. */
+           tabify_output = true;
+           break;
+@@ -989,8 +1080,8 @@
+         case 'n':
+           numbered_lines = true;
+           if (optarg)
+-            getoptarg (optarg, 'n', &number_separator,
+-                       &chars_per_number);
++            getoptarg (optarg, 'n', number_separator, 
&number_separator_length,
++                       &number_separator_width, &chars_per_number);
+           break;
+         case 'N':
+           skip_count = false;
+@@ -1029,7 +1120,7 @@
+           old_s = false;
+           /* Reset an additional input of -s, -S dominates -s */
+           col_sep_string = bad_cast ("");
+-          col_sep_length = 0;
++          col_sep_length = col_sep_width = 0;
+           use_col_separator = true;
+           if (optarg)
+             separator_string (optarg);
+@@ -1186,10 +1277,45 @@
+    a number. */
+ 
+ static void
+-getoptarg (char *arg, char switch_char, char *character, int *number)
++getoptarg (char *arg, char switch_char, char *character, int 
*character_length,
++           int *character_width, int *number)
+ {
+   if (!ISDIGIT (*arg))
+-    *character = *arg++;
++    {
++#ifdef HAVE_MBRTOWC
++      if (MB_CUR_MAX > 1)        /* for multibyte locale. */
++        {
++          wchar_t wc;
++          size_t mblength;
++          int width;
++          mbstate_t state = {'\0'};
++
++          mblength = mbrtowc (&wc, arg, strnlen(arg, MB_LEN_MAX), &state);
++
++          if (mblength == (size_t)-1 || mblength == (size_t)-2)
++            {
++              *character_length = 1;
++              *character_width = 1;
++            }
++          else
++            {
++              *character_length = (mblength < 1) ? 1 : mblength;
++              width = wcwidth (wc);
++              *character_width = (width < 0) ? 0 : width;
++            }
++
++          strncpy (character, arg, *character_length);
++          arg += *character_length;
++        }
++      else                        /* for single byte locale. */
++#endif
++        {
++          *character = *arg++;
++          *character_length = 1;
++          *character_width = 1;
++        }
++    }
++
+   if (*arg)
+     {
+       long int tmp_long;
+@@ -1211,6 +1337,11 @@
+ init_parameters (int number_of_files)
+ {
+   int chars_used_by_number = 0;
++  int mb_len = 1;
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    mb_len = MB_LEN_MAX;
++#endif
+ 
+   lines_per_body = lines_per_page - lines_per_header - lines_per_footer;
+   if (lines_per_body <= 0)
+@@ -1248,7 +1379,7 @@
+           else
+             col_sep_string = column_separator;
+ 
+-          col_sep_length = 1;
++          col_sep_length = col_sep_width = 1;
+           use_col_separator = true;
+         }
+       /* It's rather pointless to define a TAB separator with column
+@@ -1279,11 +1410,11 @@
+              TAB_WIDTH (chars_per_input_tab, chars_per_number);   */
+ 
+       /* Estimate chars_per_text without any margin and keep it constant. */
+-      if (number_separator == '\t')
++      if (number_separator[0] == '\t')
+         number_width = chars_per_number +
+           TAB_WIDTH (chars_per_default_tab, chars_per_number);
+       else
+-        number_width = chars_per_number + 1;
++        number_width = chars_per_number + number_separator_width;
+ 
+       /* The number is part of the column width unless we are
+          printing files in parallel. */
+@@ -1298,7 +1429,7 @@
+     }
+ 
+   chars_per_column = (chars_per_line - chars_used_by_number -
+-                     (columns - 1) * col_sep_length) / columns;
++                     (columns - 1) * col_sep_width) / columns;
+ 
+   if (chars_per_column < 1)
+     error (EXIT_FAILURE, 0, _("page width too narrow"));
+@@ -1315,7 +1446,7 @@
+      We've to use 8 as the lower limit, if we use chars_per_default_tab = 8
+      to expand a tab which is not an input_tab-char. */
+   free (clump_buff);
+-  clump_buff = xmalloc (MAX (8, chars_per_input_tab));
++  clump_buff = xmalloc (mb_len * MAX (8, chars_per_input_tab));
+ }
+ 
+ /* Open the necessary files,
+@@ -1423,7 +1554,7 @@
+ 
+   /* Enlarge p->start_position of first column to use the same form of
+      padding_not_printed with all columns. */
+-  h = h + col_sep_length;
++  h = h + col_sep_width;
+ 
+   /* This loop takes care of all but the rightmost column. */
+ 
+@@ -1457,7 +1588,7 @@
+         }
+       else
+         {
+-          h = h_next + col_sep_length;
++          h = h_next + col_sep_width;
+           h_next = h + chars_per_column;
+         }
+     }
+@@ -1748,9 +1879,9 @@
+ align_column (COLUMN *p)
+ {
+   padding_not_printed = p->start_position;
+-  if (padding_not_printed - col_sep_length > 0)
++  if (padding_not_printed - col_sep_width > 0)
+     {
+-      pad_across_to (padding_not_printed - col_sep_length);
++      pad_across_to (padding_not_printed - col_sep_width);
+       padding_not_printed = ANYWHERE;
+     }
+ 
+@@ -2021,13 +2152,13 @@
+       /* May be too generous. */
+       buff = X2REALLOC (buff, &buff_allocated);
+     }
+-  buff[buff_current++] = c;
++  buff[buff_current++] = (unsigned char) c;
+ }
+ 
+ static void
+ add_line_number (COLUMN *p)
+ {
+-  int i;
++  int i, j;
+   char *s;
+   int left_cut;
+ 
+@@ -2050,22 +2181,24 @@
+       /* Tabification is assumed for multiple columns, also for n-separators,
+          but 'default n-separator = TAB' hasn't been given priority over
+          equal column_width also specified by POSIX. */
+-      if (number_separator == '\t')
++      if (number_separator[0] == '\t')
+         {
+           i = number_width - chars_per_number;
+           while (i-- > 0)
+             (p->char_func) (' ');
+         }
+       else
+-        (p->char_func) (number_separator);
++        for (j = 0; j < number_separator_length; j++)
++          (p->char_func) (number_separator[j]);
+     }
+   else
+     /* To comply with POSIX, we avoid any expansion of default TAB
+        separator with a single column output. No column_width requirement
+        has to be considered. */
+     {
+-      (p->char_func) (number_separator);
+-      if (number_separator == '\t')
++      for (j = 0; j < number_separator_length; j++)
++        (p->char_func) (number_separator[j]);
++      if (number_separator[0] == '\t')
+         output_position = POS_AFTER_TAB (chars_per_output_tab,
+                           output_position);
+     }
+@@ -2226,7 +2359,7 @@
+   while (goal - h_old > 1
+          && (h_new = POS_AFTER_TAB (chars_per_output_tab, h_old)) <= goal)
+     {
+-      putchar (output_tab_char);
++      fwrite (output_tab_char, sizeof(char), output_tab_char_length, stdout);
+       h_old = h_new;
+     }
+   while (++h_old <= goal)
+@@ -2246,6 +2379,7 @@
+ {
+   char *s;
+   int l = col_sep_length;
++  int not_space_flag;
+ 
+   s = col_sep_string;
+ 
+@@ -2259,6 +2393,7 @@
+     {
+       for (; separators_not_printed > 0; --separators_not_printed)
+         {
++          not_space_flag = 0;
+           while (l-- > 0)
+             {
+               /* 3 types of sep_strings: spaces only, spaces and chars,
+@@ -2272,12 +2407,15 @@
+                 }
+               else
+                 {
++                  not_space_flag = 1;
+                   if (spaces_not_printed > 0)
+                     print_white_space ();
+                   putchar (*s++);
+-                  ++output_position;
+                 }
+             }
++          if (not_space_flag)
++            output_position += col_sep_width;
++
+           /* sep_string ends with some spaces */
+           if (spaces_not_printed > 0)
+             print_white_space ();
+@@ -2305,7 +2443,7 @@
+    required number of tabs and spaces. */
+ 
+ static void
+-print_char (char c)
++print_char_single (char c)
+ {
+   if (tabify_output)
+     {
+@@ -2329,6 +2467,74 @@
+   putchar (c);
+ }
+ 
++#ifdef HAVE_MBRTOWC
++static void
++print_char_multi (char c)
++{
++  static size_t mbc_pos = 0;
++  static char mbc[MB_LEN_MAX] = {'\0'};
++  static mbstate_t state = {'\0'};
++  mbstate_t state_bak;
++  wchar_t wc;
++  size_t mblength;
++  int width;
++
++  if (tabify_output)
++    {
++      state_bak = state;
++      mbc[mbc_pos++] = c;
++      mblength = mbrtowc (&wc, mbc, mbc_pos, &state);
++
++      while (mbc_pos > 0)
++        {
++          switch (mblength)
++            {
++            case (size_t)-2:
++              state = state_bak;
++              return;
++
++            case (size_t)-1:
++              state = state_bak;
++              ++output_position;
++              putchar (mbc[0]);
++              memmove (mbc, mbc + 1, MB_CUR_MAX - 1);
++              --mbc_pos;
++              break;
++
++            case 0:
++              mblength = 1;
++
++            default:
++              if (wc == L' ')
++                {
++                  memmove (mbc, mbc + mblength, MB_CUR_MAX - mblength);
++                  --mbc_pos;
++                  ++spaces_not_printed;
++                  return;
++                }
++              else if (spaces_not_printed > 0)
++                print_white_space ();
++
++              /* Nonprintables are assumed to have width 0, except L'\b'. */
++              if ((width = wcwidth (wc)) < 1)
++                {
++                  if (wc == L'\b')
++                    --output_position;
++                }
++              else
++                output_position += width;
++
++              fwrite (mbc, sizeof(char), mblength, stdout);
++              memmove (mbc, mbc + mblength, MB_CUR_MAX - mblength);
++              mbc_pos -= mblength;
++            }
++        }
++      return;
++    }
++  putchar (c);
++}
++#endif
++
+ /* Skip to page PAGE before printing.
+    PAGE may be larger than total number of pages. */
+ 
+@@ -2508,9 +2714,9 @@
+           align_empty_cols = false;
+         }
+ 
+-      if (padding_not_printed - col_sep_length > 0)
++      if (padding_not_printed - col_sep_width > 0)
+         {
+-          pad_across_to (padding_not_printed - col_sep_length);
++          pad_across_to (padding_not_printed - col_sep_width);
+           padding_not_printed = ANYWHERE;
+         }
+ 
+@@ -2611,9 +2817,9 @@
+         }
+     }
+ 
+-  if (padding_not_printed - col_sep_length > 0)
++  if (padding_not_printed - col_sep_width > 0)
+     {
+-      pad_across_to (padding_not_printed - col_sep_length);
++      pad_across_to (padding_not_printed - col_sep_width);
+       padding_not_printed = ANYWHERE;
+     }
+ 
+@@ -2626,8 +2832,8 @@
+   if (spaces_not_printed == 0)
+     {
+       output_position = p->start_position + end_vector[line];
+-      if (p->start_position - col_sep_length == chars_per_margin)
+-        output_position -= col_sep_length;
++      if (p->start_position - col_sep_width == chars_per_margin)
++        output_position -= col_sep_width;
+     }
+ 
+   return true;
+@@ -2646,7 +2852,7 @@
+    number of characters is 1.) */
+ 
+ static int
+-char_to_clump (char c)
++char_to_clump_single (char c)
+ {
+   unsigned char uc = c;
+   char *s = clump_buff;
+@@ -2656,10 +2862,10 @@
+   int chars;
+   int chars_per_c = 8;
+ 
+-  if (c == input_tab_char)
++  if (c == input_tab_char[0])
+     chars_per_c = chars_per_input_tab;
+ 
+-  if (c == input_tab_char || c == '\t')
++  if (c == input_tab_char[0] || c == '\t')
+     {
+       width = TAB_WIDTH (chars_per_c, input_position);
+ 
+@@ -2740,6 +2946,154 @@
+   return chars;
+ }
+ 
++#ifdef HAVE_MBRTOWC
++static int
++char_to_clump_multi (char c)
++{
++  static size_t mbc_pos = 0;
++  static char mbc[MB_LEN_MAX] = {'\0'};
++  static mbstate_t state = {'\0'};
++  mbstate_t state_bak;
++  wchar_t wc;
++  size_t mblength;
++  int wc_width;
++  register char *s = clump_buff;
++  register int i, j;
++  char esc_buff[4];
++  int width;
++  int chars;
++  int chars_per_c = 8;
++
++  state_bak = state;
++  mbc[mbc_pos++] = c;
++  mblength = mbrtowc (&wc, mbc, mbc_pos, &state);
++
++  width = 0;
++  chars = 0;
++  while (mbc_pos > 0)
++    {
++      switch (mblength)
++        {
++        case (size_t)-2:
++          state = state_bak;
++          return 0;
++
++        case (size_t)-1:
++          state = state_bak;
++          mblength = 1;
++
++          if (use_esc_sequence || use_cntrl_prefix)
++            {
++              width = +4;
++              chars = +4;
++              *s++ = '\\';
++              sprintf (esc_buff, "%03o", (unsigned char) mbc[0]);
++              for (i = 0; i <= 2; ++i)
++                *s++ = (int) esc_buff[i];
++            }
++          else
++            {
++              width += 1;
++              chars += 1;
++              *s++ = mbc[0];
++            }
++          break;
++
++        case 0:
++          mblength = 1;
++                /* Fall through */
++
++        default:
++          if (memcmp (mbc, input_tab_char, mblength) == 0)
++            chars_per_c = chars_per_input_tab;
++
++          if (memcmp (mbc, input_tab_char, mblength) == 0 || c == '\t')
++            {
++              int  width_inc;
++
++              width_inc = TAB_WIDTH (chars_per_c, input_position);
++              width += width_inc;
++
++              if (untabify_input)
++                {
++                  for (i = width_inc; i; --i)
++                    *s++ = ' ';
++                  chars += width_inc;
++                }
++              else
++                {
++                  for (i = 0; i <  mblength; i++)
++                    *s++ = mbc[i];
++                  chars += mblength;
++                }
++            }
++          else if ((wc_width = wcwidth (wc)) < 1)
++            {
++              if (use_esc_sequence)
++                {
++                  for (i = 0; i < mblength; i++)
++                    {
++                      width += 4;
++                      chars += 4;
++                      *s++ = '\\';
++                      sprintf (esc_buff, "%03o", (unsigned char) mbc[i]);
++                      for (j = 0; j <= 2; ++j)
++                        *s++ = (int) esc_buff[j];
++                    }
++                }
++              else if (use_cntrl_prefix)
++                {
++                  if (wc < 0200)
++                    {
++                      width += 2;
++                      chars += 2;
++                      *s++ = '^';
++                      *s++ = wc ^ 0100;
++                    }
++                  else
++                    {
++                      for (i = 0; i < mblength; i++)
++                        {
++                          width += 4;
++                          chars += 4;
++                          *s++ = '\\';
++                          sprintf (esc_buff, "%03o", (unsigned char) mbc[i]);
++                          for (j = 0; j <= 2; ++j)
++                            *s++ = (int) esc_buff[j];
++                        }
++                    }
++                }
++              else if (wc == L'\b')
++                {
++                  width += -1;
++                  chars += 1;
++                  *s++ = c;
++                }
++              else
++                {
++                  width += 0;
++                  chars += mblength;
++                  for (i = 0; i < mblength; i++)
++                    *s++ = mbc[i];
++                }
++            }
++          else
++            {
++              width += wc_width;
++              chars += mblength;
++              for (i = 0; i < mblength; i++)
++                *s++ = mbc[i];
++            }
++        }
++      memmove (mbc, mbc + mblength, MB_CUR_MAX - mblength);
++      mbc_pos -= mblength;
++    }
++
++  input_position += width;
++  return chars;
++}
++#endif
++
+ /* We've just printed some files and need to clean up things before
+    looking for more options and printing the next batch of files.
+ 
+diff -Naur coreutils-8.16.orig/src/sort.c coreutils-8.16/src/sort.c
+--- coreutils-8.16.orig/src/sort.c     2012-03-24 20:26:51.000000000 +0000
++++ coreutils-8.16/src/sort.c  2012-03-31 08:05:42.537771550 +0000
+@@ -22,11 +22,20 @@
+ 
+ #include <config.h>
+ 
++#include <assert.h>
+ #include <getopt.h>
+ #include <pthread.h>
+ #include <sys/types.h>
+ #include <sys/wait.h>
+ #include <signal.h>
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++/* Get isw* functions. */
++#if HAVE_WCTYPE_H
++# include <wctype.h>
++#endif
++
+ #include "system.h"
+ #include "argmatch.h"
+ #include "error.h"
+@@ -167,12 +176,34 @@
+ 
+ /* Nonzero if the corresponding locales are hard.  */
+ static bool hard_LC_COLLATE;
+-#if HAVE_NL_LANGINFO
++#if HAVE_LANGINFO_CODESET
+ static bool hard_LC_TIME;
+ #endif
+ 
+ #define NONZERO(x) ((x) != 0)
+ 
++/* get a multibyte character's byte length. */
++#define GET_BYTELEN_OF_CHAR(LIM, PTR, MBLENGTH, STATE)                        
\
++  do                                                                        \
++    {                                                                        \
++      wchar_t wc;                                                        \
++      mbstate_t state_bak;                                                \
++                                                                        \
++      state_bak = STATE;                                                \
++      mblength = mbrtowc (&wc, PTR, LIM - PTR, &STATE);                       
 \
++                                                                        \
++      switch (MBLENGTH)                                                       
 \
++        {                                                                \
++        case (size_t)-1:                                                \
++        case (size_t)-2:                                                \
++          STATE = state_bak;                                                \
++                /* Fall through. */                                        \
++        case 0:                                                               
 \
++          MBLENGTH = 1;                                                       
 \
++      }                                                                       
 \
++    }                                                                        \
++  while (0)
++
+ /* The kind of blanks for '-b' to skip in various options. */
+ enum blanktype { bl_start, bl_end, bl_both };
+ 
+@@ -343,13 +374,11 @@
+    they were read if all keys compare equal.  */
+ static bool stable;
+ 
+-/* If TAB has this value, blanks separate fields.  */
+-enum { TAB_DEFAULT = CHAR_MAX + 1 };
+-
+-/* Tab character separating fields.  If TAB_DEFAULT, then fields are
++/* Tab character separating fields.  If tab_length is 0, then fields are
+    separated by the empty string between a non-blank character and a blank
+    character. */
+-static int tab = TAB_DEFAULT;
++static char tab[MB_LEN_MAX + 1];
++static size_t tab_length = 0;
+ 
+ /* Flag to remove consecutive duplicate lines from the output.
+    Only the last of a sequence of equal lines will be output. */
+@@ -782,6 +811,46 @@
+     reap (-1);
+ }
+ 
++/* Function pointers. */
++static void
++(*inittables) (void);
++static char *
++(*begfield) (const struct line*, const struct keyfield *);
++static char *
++(*limfield) (const struct line*, const struct keyfield *);
++static void
++(*skipblanks) (char **ptr, char *lim);
++static int
++(*getmonth) (char const *, size_t, char **);
++static int
++(*keycompare) (const struct line *, const struct line *);
++static int
++(*numcompare) (const char *, const char *);
++
++/* Test for white space multibyte character.
++   Set LENGTH the byte length of investigated multibyte character. */
++#if HAVE_MBRTOWC
++static int
++ismbblank (const char *str, size_t len, size_t *length)
++{
++  size_t mblength;
++  wchar_t wc;
++  mbstate_t state;
++
++  memset (&state, '\0', sizeof(mbstate_t));
++  mblength = mbrtowc (&wc, str, len, &state);
++
++  if (mblength == (size_t)-1 || mblength == (size_t)-2)
++    {
++      *length = 1;
++      return 0;
++    }
++
++  *length = (mblength < 1) ? 1 : mblength;
++  return iswblank (wc);
++}
++#endif
++
+ /* Clean up any remaining temporary files.  */
+ 
+ static void
+@@ -1214,7 +1283,7 @@
+   free (node);
+ }
+ 
+-#if HAVE_NL_LANGINFO
++#if HAVE_LANGINFO_CODESET
+ 
+ static int
+ struct_month_cmp (void const *m1, void const *m2)
+@@ -1229,7 +1298,7 @@
+ /* Initialize the character class tables. */
+ 
+ static void
+-inittables (void)
++inittables_uni (void)
+ {
+   size_t i;
+ 
+@@ -1241,7 +1310,7 @@
+       fold_toupper[i] = toupper (i);
+     }
+ 
+-#if HAVE_NL_LANGINFO
++#if HAVE_LANGINFO_CODESET
+   /* If we're not in the "C" locale, read different names for months.  */
+   if (hard_LC_TIME)
+     {
+@@ -1323,6 +1392,84 @@
+     xstrtol_fatal (e, oi, c, long_options, s);
+ }
+ 
++#if HAVE_MBRTOWC
++static void
++inittables_mb (void)
++{
++  int i, j, k, l;
++  char *name, *s, *lc_time, *lc_ctype;
++  size_t s_len, mblength;
++  char mbc[MB_LEN_MAX];
++  wchar_t wc, pwc;
++  mbstate_t state_mb, state_wc;
++
++  lc_time = setlocale (LC_TIME, "");
++  if (lc_time)
++    lc_time = xstrdup (lc_time);
++
++  lc_ctype = setlocale (LC_CTYPE, "");
++  if (lc_ctype)
++    lc_ctype = xstrdup (lc_ctype);
++
++  if (lc_time && lc_ctype)
++    /* temporarily set LC_CTYPE to match LC_TIME, so that we can convert
++     * the names of months to upper case */
++    setlocale (LC_CTYPE, lc_time);
++
++  for (i = 0; i < MONTHS_PER_YEAR; i++)
++    {
++      s = (char *) nl_langinfo (ABMON_1 + i);
++      s_len = strlen (s);
++      monthtab[i].name = name = (char *) xmalloc (s_len + 1);
++      monthtab[i].val = i + 1;
++
++      memset (&state_mb, '\0', sizeof (mbstate_t));
++      memset (&state_wc, '\0', sizeof (mbstate_t));
++
++      for (j = 0; j < s_len;)
++        {
++          if (!ismbblank (s + j, s_len - j, &mblength))
++            break;
++          j += mblength;
++        }
++
++      for (k = 0; j < s_len;)
++        {
++          mblength = mbrtowc (&wc, (s + j), (s_len - j), &state_mb);
++          assert (mblength != (size_t)-1 && mblength != (size_t)-2);
++          if (mblength == 0)
++            break;
++
++          pwc = towupper (wc);
++          if (pwc == wc)
++            {
++              memcpy (mbc, s + j, mblength);
++              j += mblength;
++            }
++          else
++            {
++              j += mblength;
++              mblength = wcrtomb (mbc, pwc, &state_wc);
++              assert (mblength != (size_t)0 && mblength != (size_t)-1);
++            }
++
++          for (l = 0; l < mblength; l++)
++            name[k++] = mbc[l];
++        }
++      name[k] = '\0';
++    }
++  qsort ((void *) monthtab, MONTHS_PER_YEAR,
++      sizeof (struct month), struct_month_cmp);
++
++  if (lc_time && lc_ctype)
++    /* restore the original locales */
++    setlocale (LC_CTYPE, lc_ctype);
++
++  free (lc_ctype);
++  free (lc_time);
++}
++#endif
++
+ /* Specify the amount of main memory to use when sorting.  */
+ static void
+ specify_sort_size (int oi, char c, char const *s)
+@@ -1551,7 +1698,7 @@
+    by KEY in LINE. */
+ 
+ static char *
+-begfield (struct line const *line, struct keyfield const *key)
++begfield_uni (const struct line *line, const struct keyfield *key)
+ {
+   char *ptr = line->text, *lim = ptr + line->length - 1;
+   size_t sword = key->sword;
+@@ -1560,10 +1707,10 @@
+   /* The leading field separator itself is included in a field when -t
+      is absent.  */
+ 
+-  if (tab != TAB_DEFAULT)
++  if (tab_length)
+     while (ptr < lim && sword--)
+       {
+-        while (ptr < lim && *ptr != tab)
++        while (ptr < lim && *ptr != tab[0])
+           ++ptr;
+         if (ptr < lim)
+           ++ptr;
+@@ -1589,11 +1736,70 @@
+   return ptr;
+ }
+ 
++#if HAVE_MBRTOWC
++static char *
++begfield_mb (const struct line *line, const struct keyfield *key)
++{
++  int i;
++  char *ptr = line->text, *lim = ptr + line->length - 1;
++  size_t sword = key->sword;
++  size_t schar = key->schar;
++  size_t mblength;
++  mbstate_t state;
++
++  memset (&state, '\0', sizeof(mbstate_t));
++
++  if (tab_length)
++    while (ptr < lim && sword--)
++      {
++        while (ptr < lim && memcmp (ptr, tab, tab_length) != 0)
++          {
++            GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++            ptr += mblength;
++          }
++        if (ptr < lim)
++          {
++            GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++            ptr += mblength;
++          }
++      }
++  else
++    while (ptr < lim && sword--)
++      {
++        while (ptr < lim && ismbblank (ptr, lim - ptr, &mblength))
++          ptr += mblength;
++        if (ptr < lim)
++          {
++            GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++            ptr += mblength;
++          }
++        while (ptr < lim && !ismbblank (ptr, lim - ptr, &mblength))
++          ptr += mblength;
++      }
++
++  if (key->skipsblanks)
++    while (ptr < lim && ismbblank (ptr, lim - ptr, &mblength))
++      ptr += mblength;
++
++  for (i = 0; i < schar; i++)
++    {
++      GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++
++      if (ptr + mblength > lim)
++        break;
++      else
++        ptr += mblength;
++    }
++
++  return ptr;
++}
++#endif
++
+ /* Return the limit of (a pointer to the first character after) the field
+    in LINE specified by KEY. */
+ 
+ static char *
+-limfield (struct line const *line, struct keyfield const *key)
++limfield_uni (const struct line *line, const struct keyfield *key)
+ {
+   char *ptr = line->text, *lim = ptr + line->length - 1;
+   size_t eword = key->eword, echar = key->echar;
+@@ -1608,10 +1814,10 @@
+      'beginning' is the first character following the delimiting TAB.
+      Otherwise, leave PTR pointing at the first 'blank' character after
+      the preceding field.  */
+-  if (tab != TAB_DEFAULT)
++  if (tab_length)
+     while (ptr < lim && eword--)
+       {
+-        while (ptr < lim && *ptr != tab)
++        while (ptr < lim && *ptr != tab[0])
+           ++ptr;
+         if (ptr < lim && (eword || echar))
+           ++ptr;
+@@ -1657,10 +1863,10 @@
+      */
+ 
+   /* Make LIM point to the end of (one byte past) the current field.  */
+-  if (tab != TAB_DEFAULT)
++  if (tab_length)
+     {
+       char *newlim;
+-      newlim = memchr (ptr, tab, lim - ptr);
++      newlim = memchr (ptr, tab[0], lim - ptr);
+       if (newlim)
+         lim = newlim;
+     }
+@@ -1691,6 +1897,130 @@
+   return ptr;
+ }
+ 
++#if HAVE_MBRTOWC
++static char *
++limfield_mb (const struct line *line, const struct keyfield *key)
++{
++  char *ptr = line->text, *lim = ptr + line->length - 1;
++  size_t eword = key->eword, echar = key->echar;
++  int i;
++  size_t mblength;
++  mbstate_t state;
++
++  if (echar == 0)
++    eword++; /* skip all of end field. */
++
++  memset (&state, '\0', sizeof(mbstate_t));
++
++  if (tab_length)
++    while (ptr < lim && eword--)
++      {
++        while (ptr < lim && memcmp (ptr, tab, tab_length) != 0)
++          {
++            GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++            ptr += mblength;
++          }
++        if (ptr < lim && (eword | echar))
++          {
++            GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++            ptr += mblength;
++          }
++      }
++  else
++    while (ptr < lim && eword--)
++      {
++        while (ptr < lim && ismbblank (ptr, lim - ptr, &mblength))
++          ptr += mblength;
++        if (ptr < lim)
++          {
++            GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++            ptr += mblength;
++          }
++        while (ptr < lim && !ismbblank (ptr, lim - ptr, &mblength))
++          ptr += mblength;
++      }
++
++
++# ifdef POSIX_UNSPECIFIED
++  /* Make LIM point to the end of (one byte past) the current field.  */
++  if (tab_length)
++    {
++      char *newlim, *p;
++
++      newlim = NULL;
++      for (p = ptr; p < lim;)
++         {
++          if (memcmp (p, tab, tab_length) == 0)
++            {
++              newlim = p;
++              break;
++            }
++
++          GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++          p += mblength;
++        }
++    }
++  else
++    {
++      char *newlim;
++      newlim = ptr;
++
++      while (newlim < lim && ismbblank (newlim, lim - newlim, &mblength))
++        newlim += mblength;
++      if (ptr < lim)
++        {
++          GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++          ptr += mblength;
++        }
++      while (newlim < lim && !ismbblank (newlim, lim - newlim, &mblength))
++        newlim += mblength;
++      lim = newlim;
++    }
++# endif
++
++  if (echar != 0)
++  {
++    /* If we're skipping leading blanks, don't start counting characters
++     *      until after skipping past any leading blanks.  */
++    if (key->skipsblanks)
++      while (ptr < lim && ismbblank (ptr, lim - ptr, &mblength))
++        ptr += mblength;
++
++    memset (&state, '\0', sizeof(mbstate_t));
++
++    /* Advance PTR by ECHAR (if possible), but no further than LIM.  */
++    for (i = 0; i < echar; i++)
++     {
++        GET_BYTELEN_OF_CHAR (lim, ptr, mblength, state);
++
++        if (ptr + mblength > lim)
++          break;
++        else
++          ptr += mblength;
++      }
++  }
++
++  return ptr;
++}
++#endif
++
++static void
++skipblanks_uni (char **ptr, char *lim)
++{
++  while (*ptr < lim && blanks[to_uchar (**ptr)])
++    ++(*ptr);
++}
++
++#if HAVE_MBRTOWC
++static void
++skipblanks_mb (char **ptr, char *lim)
++{
++  size_t mblength;
++  while (*ptr < lim && ismbblank (*ptr, lim - *ptr, &mblength))
++    (*ptr) += mblength;
++}
++#endif
++
+ /* Fill BUF reading from FP, moving buf->left bytes from the end
+    of buf->buf to the beginning first.  If EOF is reached and the
+    file wasn't terminated by a newline, supply one.  Set up BUF's line
+@@ -1777,8 +2107,22 @@
+                   else
+                     {
+                       if (key->skipsblanks)
+-                        while (blanks[to_uchar (*line_start)])
+-                          line_start++;
++                        {
++#if HAVE_MBRTOWC
++                          if (MB_CUR_MAX > 1)
++                            {
++                              size_t mblength;
++                              while (line_start < line->keylim &&
++                                     ismbblank (line_start,
++                                                line->keylim - line_start,
++                                                &mblength))
++                                line_start += mblength;
++                            }
++                          else
++#endif
++                          while (blanks[to_uchar (*line_start)])
++                            line_start++;
++                        }
+                       line->keybeg = line_start;
+                     }
+                 }
+@@ -1899,7 +2243,7 @@
+    hideously fast. */
+ 
+ static int
+-numcompare (char const *a, char const *b)
++numcompare_uni (const char *a, const char *b)
+ {
+   while (blanks[to_uchar (*a)])
+     a++;
+@@ -1909,6 +2253,25 @@
+   return strnumcmp (a, b, decimal_point, thousands_sep);
+ }
+ 
++#if HAVE_MBRTOWC
++static int
++numcompare_mb (const char *a, const char *b)
++{
++  size_t mblength, len;
++  len = strlen (a); /* okay for UTF-8 */
++  while (*a && ismbblank (a, len > MB_CUR_MAX ? MB_CUR_MAX : len, &mblength))
++    {
++      a += mblength;
++      len -= mblength;
++    }
++  len = strlen (b); /* okay for UTF-8 */
++  while (*b && ismbblank (b, len > MB_CUR_MAX ? MB_CUR_MAX : len, &mblength))
++    b += mblength;
++
++  return strnumcmp (a, b, decimal_point, thousands_sep);
++}
++#endif /* HAV_EMBRTOWC */
++
+ /* Work around a problem whereby the long double value returned by glibc's
+    strtold ("NaN", ...) contains uninitialized bits: clear all bytes of
+    A and B before calling strtold.  FIXME: remove this function once
+@@ -1959,7 +2322,7 @@
+    Return 0 if the name in S is not recognized.  */
+ 
+ static int
+-getmonth (char const *month, char **ea)
++getmonth_uni (char const *month, size_t len, char **ea)
+ {
+   size_t lo = 0;
+   size_t hi = MONTHS_PER_YEAR;
+@@ -2234,15 +2597,14 @@
+           char saved = *lim;
+           *lim = '\0';
+ 
+-          while (blanks[to_uchar (*beg)])
+-            beg++;
++          skipblanks (&beg, lim);
+ 
+           char *tighter_lim = beg;
+ 
+           if (lim < beg)
+             tighter_lim = lim;
+           else if (key->month)
+-            getmonth (beg, &tighter_lim);
++            getmonth (beg, lim-beg, &tighter_lim);
+           else if (key->general_numeric)
+             ignore_value (strtold (beg, &tighter_lim));
+           else if (key->numeric || key->human_numeric)
+@@ -2386,7 +2748,7 @@
+       bool maybe_space_aligned = !hard_LC_COLLATE && default_key_compare (key)
+                                  && !(key->schar || key->echar);
+       bool line_offset = key->eword == 0 && key->echar != 0; /* -k1.x,1.y  */
+-      if (!gkey_only && tab == TAB_DEFAULT && !line_offset
++      if (!gkey_only && !tab_length && !line_offset
+           && ((!key->skipsblanks && !(implicit_skip || maybe_space_aligned))
+               || (!key->skipsblanks && key->schar)
+               || (!key->skipeblanks && key->echar)))
+@@ -2444,11 +2806,83 @@
+     error (0, 0, _("option '-r' only applies to last-resort comparison"));
+ }
+ 
++#if HAVE_MBRTOWC
++static int
++getmonth_mb (const char *s, size_t len, char **ea)
++{
++  char *month;
++  register size_t i;
++  register int lo = 0, hi = MONTHS_PER_YEAR, result;
++  char *tmp;
++  size_t wclength, mblength;
++  const char **pp;
++  const wchar_t **wpp;
++  wchar_t *month_wcs;
++  mbstate_t state;
++
++  while (len > 0 && ismbblank (s, len, &mblength))
++    {
++      s += mblength;
++      len -= mblength;
++    }
++
++  if (len == 0)
++    return 0;
++
++  month = (char *) alloca (len + 1);
++
++  tmp = (char *) alloca (len + 1);
++  memcpy (tmp, s, len);
++  tmp[len] = '\0';
++  pp = (const char **)&tmp;
++  month_wcs = (wchar_t *) alloca ((len + 1) * sizeof (wchar_t));
++  memset (&state, '\0', sizeof(mbstate_t));
++
++  wclength = mbsrtowcs (month_wcs, pp, len + 1, &state);
++  if (wclength == (size_t)-1 || *pp != NULL)
++    error (SORT_FAILURE, 0, _("Invalid multibyte input %s."), quote(s));
++
++  for (i = 0; i < wclength; i++)
++    {
++      month_wcs[i] = towupper(month_wcs[i]);
++      if (iswblank (month_wcs[i]))
++        {
++          month_wcs[i] = L'\0';
++          break;
++        }
++    }
++
++  wpp = (const wchar_t **)&month_wcs;
++
++  mblength = wcsrtombs (month, wpp, len + 1, &state);
++  assert (mblength != (-1) && *wpp == NULL);
++
++  do
++    {
++      int ix = (lo + hi) / 2;
++
++      if (strncmp (month, monthtab[ix].name, strlen (monthtab[ix].name)) < 0)
++        hi = ix;
++      else
++        lo = ix;
++    }
++  while (hi - lo > 1);
++
++  result = (!strncmp (month, monthtab[lo].name, strlen (monthtab[lo].name))
++      ? monthtab[lo].val : 0);
++
++  if (ea && result)
++     *ea = s + strlen (monthtab[lo].name);
++
++  return result;
++}
++#endif
++
+ /* Compare two lines A and B trying every key in sequence until there
+    are no more keys or a difference is found. */
+ 
+ static int
+-keycompare (struct line const *a, struct line const *b)
++keycompare_uni (const struct line *a, const struct line *b)
+ {
+   struct keyfield *key = keylist;
+ 
+@@ -2533,7 +2967,7 @@
+           else if (key->human_numeric)
+             diff = human_numcompare (ta, tb);
+           else if (key->month)
+-            diff = getmonth (ta, NULL) - getmonth (tb, NULL);
++            diff = getmonth (ta, tlena, NULL) - getmonth (tb, tlenb, NULL);
+           else if (key->random)
+             diff = compare_random (ta, tlena, tb, tlenb);
+           else if (key->version)
+@@ -2649,6 +3083,180 @@
+   return key->reverse ? -diff : diff;
+ }
+ 
++#if HAVE_MBRTOWC
++static int
++keycompare_mb (const struct line *a, const struct line *b)
++{
++  struct keyfield *key = keylist;
++
++  /* For the first iteration only, the key positions have been
++     precomputed for us. */
++  char *texta = a->keybeg;
++  char *textb = b->keybeg;
++  char *lima = a->keylim;
++  char *limb = b->keylim;
++
++  size_t mblength_a, mblength_b;
++  wchar_t wc_a, wc_b;
++  mbstate_t state_a, state_b;
++
++  int diff;
++
++  memset (&state_a, '\0', sizeof(mbstate_t));
++  memset (&state_b, '\0', sizeof(mbstate_t));
++
++  for (;;)
++    {
++      char const *translate = key->translate;
++      bool const *ignore = key->ignore;
++
++      /* Find the lengths. */
++      size_t lena = lima <= texta ? 0 : lima - texta;
++      size_t lenb = limb <= textb ? 0 : limb - textb;
++
++      /* Actually compare the fields. */
++      if (key->random)
++        diff = compare_random (texta, lena, textb, lenb);
++      else if (key->numeric | key->general_numeric | key->human_numeric)
++        {
++          char savea = *lima, saveb = *limb;
++
++          *lima = *limb = '\0';
++          diff = (key->numeric ? numcompare (texta, textb)
++                  : key->general_numeric ? general_numcompare (texta, textb)
++                  : human_numcompare (texta, textb));
++          *lima = savea, *limb = saveb;
++        }
++      else if (key->version)
++        diff = filevercmp (texta, textb);
++      else if (key->month)
++        diff = getmonth (texta, lena, NULL) - getmonth (textb, lenb, NULL);
++      else
++        {
++          if (ignore || translate)
++            {
++              char *copy_a = (char *) alloca (lena + 1 + lenb + 1);
++              char *copy_b = copy_a + lena + 1;
++              size_t new_len_a, new_len_b;
++              size_t i, j;
++
++              /* Ignore and/or translate chars before comparing.  */
++# define IGNORE_CHARS(NEW_LEN, LEN, TEXT, COPY, WC, MBLENGTH, STATE)        \
++  do                                                                        \
++    {                                                                        \
++      wchar_t uwc;                                                        \
++      char mbc[MB_LEN_MAX];                                                \
++      mbstate_t state_wc;                                                \
++                                                                        \
++      for (NEW_LEN = i = 0; i < LEN;)                                        \
++        {                                                                \
++          mbstate_t state_bak;                                                
\
++                                                                        \
++          state_bak = STATE;                                                \
++          MBLENGTH = mbrtowc (&WC, TEXT + i, LEN - i, &STATE);                
\
++                                                                        \
++          if (MBLENGTH == (size_t)-2 || MBLENGTH == (size_t)-1                
\
++              || MBLENGTH == 0)                                               
 \
++            {                                                                \
++              if (MBLENGTH == (size_t)-2 || MBLENGTH == (size_t)-1)        \
++                STATE = state_bak;                                        \
++              if (!ignore)                                                \
++                COPY[NEW_LEN++] = TEXT[i];                                \
++              i++;                                                         \
++              continue;                                                       
 \
++            }                                                                \
++                                                                        \
++          if (ignore)                                                        \
++            {                                                                \
++              if ((ignore == nonprinting && !iswprint (WC))                \
++                   || (ignore == nondictionary                                
\
++                       && !iswalnum (WC) && !iswblank (WC)))                \
++                {                                                        \
++                  i += MBLENGTH;                                        \
++                  continue;                                                \
++                }                                                        \
++            }                                                                \
++                                                                        \
++          if (translate)                                                \
++            {                                                                \
++                                                                        \
++              uwc = towupper(WC);                                        \
++              if (WC == uwc)                                                \
++                {                                                        \
++                  memcpy (mbc, TEXT + i, MBLENGTH);                        \
++                  i += MBLENGTH;                                        \
++                }                                                        \
++              else                                                        \
++                {                                                        \
++                  i += MBLENGTH;                                        \
++                  WC = uwc;                                                \
++                  memset (&state_wc, '\0', sizeof (mbstate_t));               
 \
++                                                                        \
++                  MBLENGTH = wcrtomb (mbc, WC, &state_wc);                \
++                  assert (MBLENGTH != (size_t)-1 && MBLENGTH != 0);        \
++                }                                                        \
++                                                                        \
++              for (j = 0; j < MBLENGTH; j++)                                \
++                COPY[NEW_LEN++] = mbc[j];                                \
++            }                                                                \
++          else                                                                
\
++            for (j = 0; j < MBLENGTH; j++)                                \
++              COPY[NEW_LEN++] = TEXT[i++];                                \
++        }                                                                \
++      COPY[NEW_LEN] = '\0';                                                \
++    }                                                                        \
++  while (0)
++              IGNORE_CHARS (new_len_a, lena, texta, copy_a,
++                            wc_a, mblength_a, state_a);
++              IGNORE_CHARS (new_len_b, lenb, textb, copy_b,
++                            wc_b, mblength_b, state_b);
++              diff = xmemcoll (copy_a, new_len_a, copy_b, new_len_b);
++            }
++          else if (lena == 0)
++            diff = - NONZERO (lenb);
++          else if (lenb == 0)
++            goto greater;
++          else
++            diff = xmemcoll (texta, lena, textb, lenb);
++        }
++
++      if (diff)
++        goto not_equal;
++
++      key = key->next;
++      if (! key)
++        break;
++
++      /* Find the beginning and limit of the next field.  */
++      if (key->eword != -1)
++        lima = limfield (a, key), limb = limfield (b, key);
++      else
++        lima = a->text + a->length - 1, limb = b->text + b->length - 1;
++
++      if (key->sword != -1)
++        texta = begfield (a, key), textb = begfield (b, key);
++      else
++        {
++          texta = a->text, textb = b->text;
++          if (key->skipsblanks)
++            {
++              while (texta < lima && ismbblank (texta, lima - texta, 
&mblength_a))
++                texta += mblength_a;
++              while (textb < limb && ismbblank (textb, limb - textb, 
&mblength_b))
++                textb += mblength_b;
++            }
++        }
++    }
++
++  return 0;
++
++greater:
++  diff = 1;
++not_equal:
++  return key->reverse ? -diff : diff;
++}
++#endif
++
+ /* Compare two lines A and B, returning negative, zero, or positive
+    depending on whether A compares less than, equal to, or greater than B. */
+ 
+@@ -4109,7 +4717,7 @@
+   initialize_exit_failure (SORT_FAILURE);
+ 
+   hard_LC_COLLATE = hard_locale (LC_COLLATE);
+-#if HAVE_NL_LANGINFO
++#if HAVE_LANGINFO_CODESET
+   hard_LC_TIME = hard_locale (LC_TIME);
+ #endif
+ 
+@@ -4130,6 +4738,29 @@
+       thousands_sep = -1;
+   }
+ 
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    {
++      inittables = inittables_mb;
++      begfield = begfield_mb;
++      limfield = limfield_mb;
++      skipblanks = skipblanks_mb;
++      getmonth = getmonth_mb;
++      keycompare = keycompare_mb;
++      numcompare = numcompare_mb;
++    }
++  else
++#endif
++    {
++      inittables = inittables_uni;
++      begfield = begfield_uni;
++      limfield = limfield_uni;
++      skipblanks = skipblanks_uni;
++      getmonth = getmonth_uni;
++      keycompare = keycompare_uni;
++      numcompare = numcompare_uni;
++    }
++
+   have_read_stdin = false;
+   inittables ();
+ 
+@@ -4400,13 +5031,34 @@
+ 
+         case 't':
+           {
+-            char newtab = optarg[0];
+-            if (! newtab)
++            char newtab[MB_LEN_MAX + 1];
++            size_t newtab_length = 1;
++            strncpy (newtab, optarg, MB_LEN_MAX);
++            if (! newtab[0])
+               error (SORT_FAILURE, 0, _("empty tab"));
+-            if (optarg[1])
++#if HAVE_MBRTOWC
++            if (MB_CUR_MAX > 1)
++              {
++                wchar_t wc;
++                mbstate_t state;
++
++                memset (&state, '\0', sizeof (mbstate_t));
++                newtab_length = mbrtowc (&wc, newtab, strnlen (newtab,
++                                                               MB_LEN_MAX),
++                                         &state);
++                switch (newtab_length)
++                  {
++                  case (size_t) -1:
++                  case (size_t) -2:
++                  case 0:
++                    newtab_length = 1;
++                  }
++              }
++#endif
++            if (newtab_length == 1 && optarg[1])
+               {
+                 if (STREQ (optarg, "\\0"))
+-                  newtab = '\0';
++                  newtab[0] = '\0';
+                 else
+                   {
+                     /* Provoke with 'sort -txx'.  Complain about
+@@ -4417,9 +5069,12 @@
+                            quote (optarg));
+                   }
+               }
+-            if (tab != TAB_DEFAULT && tab != newtab)
++            if (tab_length
++                && (tab_length != newtab_length
++                    || memcmp (tab, newtab, tab_length) != 0))
+               error (SORT_FAILURE, 0, _("incompatible tabs"));
+-            tab = newtab;
++            memcpy (tab, newtab, newtab_length);
++            tab_length = newtab_length;
+           }
+           break;
+ 
+diff -Naur coreutils-8.16.orig/src/unexpand.c coreutils-8.16/src/unexpand.c
+--- coreutils-8.16.orig/src/unexpand.c 2012-03-24 20:26:51.000000000 +0000
++++ coreutils-8.16/src/unexpand.c      2012-03-31 08:05:42.537771550 +0000
+@@ -38,12 +38,29 @@
+ #include <stdio.h>
+ #include <getopt.h>
+ #include <sys/types.h>
++
++/* Get mbstate_t, mbrtowc(), wcwidth(). */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++
+ #include "system.h"
+ #include "error.h"
+ #include "fadvise.h"
+ #include "quote.h"
+ #include "xstrndup.h"
+ 
++/* MB_LEN_MAX is incorrectly defined to be 1 in at least one GCC
++      installation; work around this configuration error.  */
++#if !defined MB_LEN_MAX || MB_LEN_MAX < 2
++# define MB_LEN_MAX 16
++#endif
++
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
+ /* The official name of this program (e.g., no 'g' prefix).  */
+ #define PROGRAM_NAME "unexpand"
+ 
+@@ -103,6 +120,208 @@
+   {NULL, 0, NULL, 0}
+ };
+ 
++static FILE *next_file (FILE *fp);
++
++#if HAVE_MBRTOWC
++static void
++unexpand_multibyte (void)
++{
++  FILE *fp;                   /* Input stream. */
++  mbstate_t i_state;          /* Current shift state of the input stream. */
++  mbstate_t i_state_bak;      /* Back up the I_STATE. */
++  mbstate_t o_state;          /* Current shift state of the output stream. */
++  char buf[MB_LEN_MAX + BUFSIZ];  /* For spooling a read byte sequence. */
++  char *bufpos = buf;                 /* Next read position of BUF. */
++  size_t buflen = 0;          /* The length of the byte sequence in buf. */
++  wint_t wc;                  /* A gotten wide character. */
++  size_t mblength;            /* The byte size of a multibyte character
++                                 which shows as same character as WC. */
++
++  /* Index in `tab_list' of next tabstop: */
++  int tab_index = 0;          /* For calculating width of pending tabs. */
++  int print_tab_index = 0;    /* For printing as many tabs as possible. */
++  unsigned int column = 0;    /* Column on screen of next char. */
++  int next_tab_column;                /* Column the next tab stop is on. */
++  int convert = 1;            /* If nonzero, perform translations. */
++  unsigned int pending = 0;   /* Pending columns of blanks. */
++
++  fp = next_file ((FILE *) NULL);
++  if (fp == NULL)
++    return;
++
++  memset (&o_state, '\0', sizeof(mbstate_t));
++  memset (&i_state, '\0', sizeof(mbstate_t));
++
++  for (;;)
++    {
++      if (buflen < MB_LEN_MAX && !feof(fp) && !ferror(fp))
++      {
++        memmove (buf, bufpos, buflen);
++        buflen += fread (buf + buflen, sizeof(char), BUFSIZ, fp);
++        bufpos = buf;
++      }
++
++      /* Get a wide character. */
++      if (buflen < 1)
++      {
++        mblength = 1;
++        wc = WEOF;
++      }
++      else
++      {
++        i_state_bak = i_state;
++        mblength = mbrtowc ((wchar_t *)&wc, bufpos, buflen, &i_state);
++      }
++
++      if (mblength == (size_t)-1 || mblength == (size_t)-2)
++      {
++        i_state = i_state_bak;
++        wc = L'\0';
++      }
++
++      if (wc == L' ' && convert && column < INT_MAX)
++      {
++        ++pending;
++        ++column;
++      }
++      else if (wc == L'\t' && convert)
++      {
++        if (tab_size == 0)
++          {
++            /* Do not let tab_index == first_free_tab;
++               stop when it is 1 less. */
++            while (tab_index < first_free_tab - 1
++                && column >= tab_list[tab_index])
++              tab_index++;
++            next_tab_column = tab_list[tab_index];
++            if (tab_index < first_free_tab - 1)
++              tab_index++;
++            if (column >= next_tab_column)
++              {
++                convert = 0;  /* Ran out of tab stops. */
++                goto flush_pend_mb;
++              }
++          }
++        else
++          {
++            next_tab_column = column + tab_size - column % tab_size;
++          }
++        pending += next_tab_column - column;
++        column = next_tab_column;
++      }
++      else
++      {
++flush_pend_mb:
++        /* Flush pending spaces.  Print as many tabs as possible,
++           then print the rest as spaces. */
++        if (pending == 1)
++          {
++            putchar (' ');
++            pending = 0;
++          }
++        column -= pending;
++        while (pending > 0)
++          {
++            if (tab_size == 0)
++              {
++                /* Do not let print_tab_index == first_free_tab;
++                   stop when it is 1 less. */
++                while (print_tab_index < first_free_tab - 1
++                    && column >= tab_list[print_tab_index])
++                  print_tab_index++;
++                next_tab_column = tab_list[print_tab_index];
++                if (print_tab_index < first_free_tab - 1)
++                  print_tab_index++;
++              }
++            else
++              {
++                next_tab_column =
++                  column + tab_size - column % tab_size;
++              }
++            if (next_tab_column - column <= pending)
++              {
++                putchar ('\t');
++                pending -= next_tab_column - column;
++                column = next_tab_column;
++              }
++            else
++              {
++                --print_tab_index;
++                column += pending;
++                while (pending != 0)
++                  {
++                    putchar (' ');
++                    pending--;
++                  }
++              }
++          }
++
++        if (wc == WEOF)
++          {
++            fp = next_file (fp);
++            if (fp == NULL)
++              break;          /* No more files. */
++            else
++              {
++                memset (&i_state, '\0', sizeof(mbstate_t));
++                continue;
++              }
++          }
++
++        if (mblength == (size_t)-1 || mblength == (size_t)-2)
++          {
++            if (convert)
++              {
++                ++column;
++                if (convert_entire_line == 0)
++                  convert = 0;
++              }
++            mblength = 1;
++            putchar (buf[0]);
++          }
++        else if (mblength == 0)
++          {
++            if (convert && convert_entire_line == 0)
++              convert = 0;
++            mblength = 1;
++            putchar ('\0');
++          }
++        else
++          {
++            if (convert)
++              {
++                if (wc == L'\b')
++                  {
++                    if (column > 0)
++                      --column;
++                  }
++                else
++                  {
++                    int width;            /* The width of WC. */
++
++                    width = wcwidth (wc);
++                    column += (width > 0) ? width : 0;
++                    if (convert_entire_line == 0)
++                      convert = 0;
++                  }
++              }
++
++            if (wc == L'\n')
++              {
++                tab_index = print_tab_index = 0;
++                column = pending = 0;
++                convert = 1;
++              }
++            fwrite (bufpos, sizeof(char), mblength, stdout);
++          }
++      }
++      buflen -= mblength;
++      bufpos += mblength;
++    }
++}
++#endif
++
++
+ void
+ usage (int status)
+ {
+@@ -524,7 +743,12 @@
+ 
+   file_list = (optind < argc ? &argv[optind] : stdin_argv);
+ 
+-  unexpand ();
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    unexpand_multibyte ();
++  else
++#endif
++    unexpand ();
+ 
+   if (have_read_stdin && fclose (stdin) != 0)
+     error (EXIT_FAILURE, errno, "-");
+diff -Naur coreutils-8.16.orig/src/uniq.c coreutils-8.16/src/uniq.c
+--- coreutils-8.16.orig/src/uniq.c     2012-03-24 20:26:51.000000000 +0000
++++ coreutils-8.16/src/uniq.c  2012-03-31 08:05:42.538771551 +0000
+@@ -21,6 +21,16 @@
+ #include <getopt.h>
+ #include <sys/types.h>
+ 
++/* Get mbstate_t, mbrtowc(). */
++#if HAVE_WCHAR_H
++# include <wchar.h>
++#endif
++
++/* Get isw* functions. */
++#if HAVE_WCTYPE_H
++# include <wctype.h>
++#endif
++
+ #include "system.h"
+ #include "argmatch.h"
+ #include "linebuffer.h"
+@@ -32,7 +42,19 @@
+ #include "stdio--.h"
+ #include "xmemcoll.h"
+ #include "xstrtol.h"
+-#include "memcasecmp.h"
++#include "xmemcoll.h"
++
++/* MB_LEN_MAX is incorrectly defined to be 1 in at least one GCC
++   installation; work around this configuration error.  */
++#if !defined MB_LEN_MAX || MB_LEN_MAX < 2
++# define MB_LEN_MAX 16
++#endif
++
++/* Some systems, like BeOS, have multibyte encodings but lack mbstate_t.  */
++#if HAVE_MBRTOWC && defined mbstate_t
++# define mbrtowc(pwc, s, n, ps) (mbrtowc) (pwc, s, n, 0)
++#endif
++
+ 
+ /* The official name of this program (e.g., no 'g' prefix).  */
+ #define PROGRAM_NAME "uniq"
+@@ -108,6 +130,10 @@
+ /* Select whether/how to delimit groups of duplicate lines.  */
+ static enum delimit_method delimit_groups;
+ 
++/* Function pointers. */
++static char *
++(*find_field) (struct linebuffer *line);
++
+ static struct option const longopts[] =
+ {
+   {"count", no_argument, NULL, 'c'},
+@@ -206,7 +232,7 @@
+    return a pointer to the beginning of the line's field to be compared. */
+ 
+ static char * _GL_ATTRIBUTE_PURE
+-find_field (struct linebuffer const *line)
++find_field_uni (struct linebuffer *line)
+ {
+   size_t count;
+   char const *lp = line->buffer;
+@@ -226,6 +252,83 @@
+   return line->buffer + i;
+ }
+ 
++#if HAVE_MBRTOWC
++
++# define MBCHAR_TO_WCHAR(WC, MBLENGTH, LP, POS, SIZE, STATEP, CONVFAIL)  \
++  do                                                                        \
++    {                                                                        \
++      mbstate_t state_bak;                                                \
++                                                                        \
++      CONVFAIL = 0;                                                        \
++      state_bak = *STATEP;                                                \
++                                                                        \
++      MBLENGTH = mbrtowc (&WC, LP + POS, SIZE - POS, STATEP);                \
++                                                                        \
++      switch (MBLENGTH)                                                       
 \
++        {                                                                \
++        case (size_t)-2:                                                \
++        case (size_t)-1:                                                \
++          *STATEP = state_bak;                                                
\
++          CONVFAIL++;                                                        \
++          /* Fall through */                                                \
++        case 0:                                                               
 \
++          MBLENGTH = 1;                                                       
 \
++        }                                                                \
++    }                                                                        \
++  while (0)
++
++static char *
++find_field_multi (struct linebuffer *line)
++{
++  size_t count;
++  char *lp = line->buffer;
++  size_t size = line->length - 1;
++  size_t pos;
++  size_t mblength;
++  wchar_t wc;
++  mbstate_t *statep;
++  int convfail = 0;
++
++  pos = 0;
++  statep = &(line->state);
++
++  /* skip fields. */
++  for (count = 0; count < skip_fields && pos < size; count++)
++    {
++      while (pos < size)
++        {
++          MBCHAR_TO_WCHAR (wc, mblength, lp, pos, size, statep, convfail);
++ 
++          if (convfail || !iswblank (wc))
++            {
++              pos += mblength;
++              break;
++            }
++          pos += mblength;
++        }
++
++      while (pos < size)
++        {
++          MBCHAR_TO_WCHAR (wc, mblength, lp, pos, size, statep, convfail);
++
++          if (!convfail && iswblank (wc))
++            break;
++
++          pos += mblength;
++        }
++    }
++
++  /* skip fields. */
++  for (count = 0; count < skip_chars && pos < size; count++)
++    {
++      MBCHAR_TO_WCHAR (wc, mblength, lp, pos, size, statep, convfail);
++      pos += mblength;
++    }
++
++  return lp + pos;
++}
++#endif
++
+ /* Return false if two strings OLD and NEW match, true if not.
+    OLD and NEW point not to the beginnings of the lines
+    but rather to the beginnings of the fields to compare.
+@@ -234,6 +337,8 @@
+ static bool
+ different (char *old, char *new, size_t oldlen, size_t newlen)
+ {
++  char *copy_old, *copy_new;
++
+   if (check_chars < oldlen)
+     oldlen = check_chars;
+   if (check_chars < newlen)
+@@ -241,15 +346,93 @@
+ 
+   if (ignore_case)
+     {
+-      /* FIXME: This should invoke strcoll somehow.  */
+-      return oldlen != newlen || memcasecmp (old, new, oldlen);
++      size_t i;
++
++      copy_old = alloca (oldlen + 1);
++      copy_new = alloca (oldlen + 1);
++
++      for (i = 0; i < oldlen; i++)
++        {
++          copy_old[i] = toupper (old[i]);
++          copy_new[i] = toupper (new[i]);
++        }
+     }
+-  else if (hard_LC_COLLATE)
+-    return xmemcoll (old, oldlen, new, newlen) != 0;
+   else
+-    return oldlen != newlen || memcmp (old, new, oldlen);
++    {
++      copy_old = (char *)old;
++      copy_new = (char *)new;
++    }
++
++  return xmemcoll (copy_old, oldlen, copy_new, newlen);
+ }
+ 
++#if HAVE_MBRTOWC
++static int
++different_multi (const char *old, const char *new, size_t oldlen, size_t 
newlen, mbstate_t oldstate, mbstate_t newstate)
++{
++  size_t i, j, chars;
++  const char *str[2];
++  char *copy[2];
++  size_t len[2];
++  mbstate_t state[2];
++  size_t mblength;
++  wchar_t wc, uwc;
++  mbstate_t state_bak;
++
++  str[0] = old;
++  str[1] = new;
++  len[0] = oldlen;
++  len[1] = newlen;
++  state[0] = oldstate;
++  state[1] = newstate;
++
++  for (i = 0; i < 2; i++)
++    {
++      copy[i] = alloca (len[i] + 1);
++
++      for (j = 0, chars = 0; j < len[i] && chars < check_chars; chars++)
++        {
++          state_bak = state[i];
++          mblength = mbrtowc (&wc, str[i] + j, len[i] - j, &(state[i]));
++
++          switch (mblength)
++            {
++            case (size_t)-1:
++            case (size_t)-2:
++              state[i] = state_bak;
++              /* Fall through */
++            case 0:
++              mblength = 1;
++              break;
++
++            default:
++              if (ignore_case)
++                {
++                  uwc = towupper (wc);
++
++                  if (uwc != wc)
++                    {
++                      mbstate_t state_wc;
++
++                      memset (&state_wc, '\0', sizeof(mbstate_t));
++                      wcrtomb (copy[i] + j, uwc, &state_wc);
++                    }
++                  else
++                    memcpy (copy[i] + j, str[i] + j, mblength);
++                }
++              else
++                memcpy (copy[i] + j, str[i] + j, mblength);
++            }
++          j += mblength;
++        }
++      copy[i][j] = '\0';
++      len[i] = j;
++    }
++
++  return xmemcoll (copy[0], len[0], copy[1], len[1]);
++}
++#endif
++
+ /* Output the line in linebuffer LINE to standard output
+    provided that the switches say it should be output.
+    MATCH is true if the line matches the previous line.
+@@ -304,15 +487,43 @@
+     {
+       char *prevfield IF_LINT ( = NULL);
+       size_t prevlen IF_LINT ( = 0);
++#if HAVE_MBRTOWC
++      mbstate_t prevstate;
++
++      memset (&prevstate, '\0', sizeof (mbstate_t));
++#endif
+ 
+       while (!feof (stdin))
+         {
+           char *thisfield;
+           size_t thislen;
++#if HAVE_MBRTOWC
++          mbstate_t thisstate;
++#endif
++
+           if (readlinebuffer_delim (thisline, stdin, delimiter) == 0)
+             break;
+           thisfield = find_field (thisline);
+           thislen = thisline->length - 1 - (thisfield - thisline->buffer);
++#if HAVE_MBRTOWC
++          if (MB_CUR_MAX > 1)
++            {
++            thisstate = thisline->state;
++
++            if (prevline->length == 0 || different_multi
++              (thisfield, prevfield, thislen, prevlen, thisstate, prevstate))
++              {
++                fwrite (thisline->buffer, sizeof (char),
++                        thisline->length, stdout);
++
++                SWAP_LINES (prevline, thisline);
++                prevfield = thisfield;
++                prevlen = thislen;
++                prevstate = thisstate;
++              }
++          }
++        else
++#endif
+           if (prevline->length == 0
+               || different (thisfield, prevfield, thislen, prevlen))
+             {
+@@ -331,17 +542,26 @@
+       size_t prevlen;
+       uintmax_t match_count = 0;
+       bool first_delimiter = true;
++#if HAVE_MBRTOWC
++      mbstate_t prevstate;
++#endif
+ 
+       if (readlinebuffer_delim (prevline, stdin, delimiter) == 0)
+         goto closefiles;
+       prevfield = find_field (prevline);
+       prevlen = prevline->length - 1 - (prevfield - prevline->buffer);
++#if HAVE_MBRTOWC
++      prevstate = prevline->state;
++#endif
+ 
+       while (!feof (stdin))
+         {
+           bool match;
+           char *thisfield;
+           size_t thislen;
++#if HAVE_MBRTOWC
++          mbstate_t thisstate = thisline->state;
++#endif
+           if (readlinebuffer_delim (thisline, stdin, delimiter) == 0)
+             {
+               if (ferror (stdin))
+@@ -350,6 +570,14 @@
+             }
+           thisfield = find_field (thisline);
+           thislen = thisline->length - 1 - (thisfield - thisline->buffer);
++#if HAVE_MBRTOWC
++          if (MB_CUR_MAX > 1)
++            {
++              match = !different_multi (thisfield, prevfield,
++                                thislen, prevlen, thisstate, prevstate);
++            }
++          else
++#endif
+           match = !different (thisfield, prevfield, thislen, prevlen);
+           match_count += match;
+ 
+@@ -382,6 +610,9 @@
+               SWAP_LINES (prevline, thisline);
+               prevfield = thisfield;
+               prevlen = thislen;
++#if HAVE_MBRTOWC
++              prevstate = thisstate;
++#endif
+               if (!match)
+                 match_count = 0;
+             }
+@@ -427,6 +658,19 @@
+ 
+   atexit (close_stdout);
+ 
++#if HAVE_MBRTOWC
++  if (MB_CUR_MAX > 1)
++    {
++      find_field = find_field_multi;
++    }
++  else
++#endif
++    {
++      find_field = find_field_uni;
++    }
++
++
++
+   skip_chars = 0;
+   skip_fields = 0;
+   check_chars = SIZE_MAX;
+diff -Naur coreutils-8.16.orig/tests/Makefile.am 
coreutils-8.16/tests/Makefile.am
+--- coreutils-8.16.orig/tests/Makefile.am      2012-03-24 18:22:13.000000000 
+0000
++++ coreutils-8.16/tests/Makefile.am   2012-03-31 08:05:42.538771551 +0000
+@@ -243,6 +243,7 @@
+   misc/sort-debug-warn                                \
+   misc/sort-discrim                           \
+   misc/sort-files0-from                               \
++  misc/sort-mb-tests                          \
+   misc/sort-float                             \
+   misc/sort-merge                             \
+   misc/sort-merge-fdlimit                     \
+@@ -537,6 +538,10 @@
+   $(root_tests)
+ 
+ pr_data =                                     \
++  misc/mb1.X                  \
++  misc/mb1.I                  \
++  misc/mb2.X                  \
++  misc/mb2.I                  \
+   pr/0F                                               \
+   pr/0FF                                      \
+   pr/0FFnt                                    \
+diff -Naur coreutils-8.16.orig/tests/Makefile.in 
coreutils-8.16/tests/Makefile.in
+--- coreutils-8.16.orig/tests/Makefile.in      2012-03-26 09:22:08.000000000 
+0000
++++ coreutils-8.16/tests/Makefile.in   2012-03-31 08:09:04.593973818 +0000
+@@ -3764,6 +3764,13 @@
+       --log-file $$b.log --trs-file $$b.trs \
+       $(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) 
-- $(LOG_COMPILE) \
+       "$$tst" $(AM_TESTS_FD_REDIRECT)
++misc/sort-mb-tests.log: misc/sort-mb-tests
++      @p='misc/sort-mb-tests'; \
++      b='misc/sort-mb-tests'; \
++      $(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
++      --log-file $$b.log --trs-file $$b.trs \
++      $(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) 
-- $(LOG_COMPILE) \
++      "$$tst" $(AM_TESTS_FD_REDIRECT)
+ misc/sort-merge.log: misc/sort-merge
+       @p='misc/sort-merge'; \
+       b='misc/sort-merge'; \
+diff -Naur coreutils-8.16.orig/tests/misc/cut coreutils-8.16/tests/misc/cut
+--- coreutils-8.16.orig/tests/misc/cut 2012-02-03 09:22:06.000000000 +0000
++++ coreutils-8.16/tests/misc/cut      2012-03-31 08:05:42.538771551 +0000
+@@ -23,14 +23,15 @@
+ # Turn off localization of executable's output.
+ @ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
+ 
+-my $mb_locale = $ENV{LOCALE_FR_UTF8};
+-! defined $mb_locale || $mb_locale eq 'none'
+-  and $mb_locale = 'C';
++#my $mb_locale = $ENV{LOCALE_FR_UTF8};
++#! defined $mb_locale || $mb_locale eq 'none'
++#  and $mb_locale = 'C';
++my $mb_locale = 'C';
+ 
+ my $prog = 'cut';
+ my $try = "Try '$prog --help' for more information.\n";
+ my $from_1 = "$prog: fields and positions are numbered from 1\n$try";
+-my $inval = "$prog: invalid byte or field list\n$try";
++my $inval = "$prog: invalid byte, character or field list\n$try";
+ my $no_endpoint = "$prog: invalid range with no endpoint: -\n$try";
+ 
+ my @Tests =
+@@ -147,7 +148,7 @@
+ 
+   # None of the following invalid ranges provoked an error up to 
coreutils-6.9.
+   ['inval1', qw(-f 2-0), {IN=>''}, {OUT=>''}, {EXIT=>1},
+-   {ERR=>"$prog: invalid decreasing range\n$try"}],
++   {ERR=>"$prog: invalid byte, character or field list\n$try"}],
+   ['inval2', qw(-f -), {IN=>''}, {OUT=>''}, {EXIT=>1}, {ERR=>$no_endpoint}],
+   ['inval3', '-f', '4,-', {IN=>''}, {OUT=>''}, {EXIT=>1}, 
{ERR=>$no_endpoint}],
+   ['inval4', '-f', '1-2,-', {IN=>''}, {OUT=>''}, {EXIT=>1},
+diff -Naur coreutils-8.16.orig/tests/misc/mb1.I coreutils-8.16/tests/misc/mb1.I
+--- coreutils-8.16.orig/tests/misc/mb1.I       1970-01-01 00:00:00.000000000 
+0000
++++ coreutils-8.16/tests/misc/mb1.I    2012-03-31 08:05:42.539771552 +0000
+@@ -0,0 +1,4 @@
++Apple@10
++Banana@5
++Citrus@20
++Cherry@30
+diff -Naur coreutils-8.16.orig/tests/misc/mb1.X coreutils-8.16/tests/misc/mb1.X
+--- coreutils-8.16.orig/tests/misc/mb1.X       1970-01-01 00:00:00.000000000 
+0000
++++ coreutils-8.16/tests/misc/mb1.X    2012-03-31 08:05:42.539771552 +0000
+@@ -0,0 +1,4 @@
++Banana@5
++Apple@10
++Citrus@20
++Cherry@30
+diff -Naur coreutils-8.16.orig/tests/misc/mb2.I coreutils-8.16/tests/misc/mb2.I
+--- coreutils-8.16.orig/tests/misc/mb2.I       1970-01-01 00:00:00.000000000 
+0000
++++ coreutils-8.16/tests/misc/mb2.I    2012-03-31 08:05:42.539771552 +0000
+@@ -0,0 +1,4 @@
++Apple@AA10@@20
++Banana@AA5@@30
++Citrus@AA20@@5
++Cherry@AA30@@10
+diff -Naur coreutils-8.16.orig/tests/misc/mb2.X coreutils-8.16/tests/misc/mb2.X
+--- coreutils-8.16.orig/tests/misc/mb2.X       1970-01-01 00:00:00.000000000 
+0000
++++ coreutils-8.16/tests/misc/mb2.X    2012-03-31 08:05:42.539771552 +0000
+@@ -0,0 +1,4 @@
++Citrus@AA20@@5
++Cherry@AA30@@10
++Apple@AA10@@20
++Banana@AA5@@30
+diff -Naur coreutils-8.16.orig/tests/misc/sort-mb-tests 
coreutils-8.16/tests/misc/sort-mb-tests
+--- coreutils-8.16.orig/tests/misc/sort-mb-tests       1970-01-01 
00:00:00.000000000 +0000
++++ coreutils-8.16/tests/misc/sort-mb-tests    2012-03-31 08:05:42.539771552 
+0000
+@@ -0,0 +1,58 @@
++#! /bin/sh
++case $# in
++  0) xx='../src/sort';;
++  *) xx="$1";;
++esac
++test "$VERBOSE" && echo=echo || echo=:
++$echo testing program: $xx
++errors=0
++test "$srcdir" || srcdir=.
++test "$VERBOSE" && $xx --version 2> /dev/null
++
++export LC_ALL=en_US.UTF-8
++locale -k LC_CTYPE 2>&1 | grep -q charmap.*UTF-8 || exit 77
++errors=0
++
++$xx -t @ -k2 -n misc/mb1.I > misc/mb1.O
++code=$?
++if test $code != 0; then
++  $echo "Test mb1 failed: $xx return code $code differs from expected value 0"
++  errors=`expr $errors + 1`
++else
++  cmp misc/mb1.O $srcdir/misc/mb1.X > /dev/null 2>&1
++  case $? in
++    0) if test "$VERBOSE"; then $echo "passed mb1"; fi;;
++    1) $echo "Test mb1 failed: files misc/mb1.O and $srcdir/misc/mb1.X 
differ" 1>&2
++       (diff -c misc/mb1.O $srcdir/misc/mb1.X) 2> /dev/null
++       errors=`expr $errors + 1`;;
++    2) $echo "Test mb1 may have failed." 1>&2
++       $echo The command "cmp misc/mb1.O $srcdir/misc/mb1.X" failed. 1>&2
++       errors=`expr $errors + 1`;;
++  esac
++fi
++
++$xx -t @ -k4 -n misc/mb2.I > misc/mb2.O
++code=$?
++if test $code != 0; then
++  $echo "Test mb2 failed: $xx return code $code differs from expected value 
0" 1>&2
++  errors=`expr $errors + 1`
++else
++  cmp misc/mb2.O $srcdir/misc/mb2.X > /dev/null 2>&1
++  case $? in
++    0) if test "$VERBOSE"; then $echo "passed mb2"; fi;;
++    1) $echo "Test mb2 failed: files misc/mb2.O and $srcdir/misc/mb2.X 
differ" 1>&2
++       (diff -c misc/mb2.O $srcdir/misc/mb2.X) 2> /dev/null
++       errors=`expr $errors + 1`;;
++    2) $echo "Test mb2 may have failed." 1>&2
++       $echo The command "cmp misc/mb2.O $srcdir/misc/mb2.X" failed. 1>&2
++       errors=`expr $errors + 1`;;
++  esac
++fi
++
++if test $errors = 0; then
++  $echo Passed all 113 tests. 1>&2
++else
++  $echo Failed $errors tests. 1>&2
++fi
++test $errors = 0 || errors=1
++exit $errors

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