Imported Upstream version 1.23

[debian/tar] / lib / mbscasecmp.c

diff --git a/lib/mbscasecmp.c b/lib/mbscasecmp.c
deleted file mode 100644 (file)
index 7fdfdeb..0000000
--- a/lib/mbscasecmp.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/* Case-insensitive string comparison function.
-   Copyright (C) 1998-1999, 2005-2008 Free Software Foundation, Inc.
-   Written by Bruno Haible <bruno@clisp.org>, 2005,
-   based on earlier glibc code.
-
-   This program is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-#include <config.h>
-
-/* Specification.  */
-#include <string.h>
-
-#include <ctype.h>
-#include <limits.h>
-
-#include "mbuiter.h"
-
-#define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch))
-
-/* Compare the character strings S1 and S2, ignoring case, returning less than,
-   equal to or greater than zero if S1 is lexicographically less than, equal to
-   or greater than S2.
-   Note: This function may, in multibyte locales, return 0 for strings of
-   different lengths!  */
-int
-mbscasecmp (const char *s1, const char *s2)
-{
-  if (s1 == s2)
-    return 0;
-
-  /* Be careful not to look at the entire extent of s1 or s2 until needed.
-     This is useful because when two strings differ, the difference is
-     most often already in the very few first characters.  */
-  if (MB_CUR_MAX > 1)
-    {
-      mbui_iterator_t iter1;
-      mbui_iterator_t iter2;
-
-      mbui_init (iter1, s1);
-      mbui_init (iter2, s2);
-
-      while (mbui_avail (iter1) && mbui_avail (iter2))
-       {
-         int cmp = mb_casecmp (mbui_cur (iter1), mbui_cur (iter2));
-
-         if (cmp != 0)
-           return cmp;
-
-         mbui_advance (iter1);
-         mbui_advance (iter2);
-       }
-      if (mbui_avail (iter1))
-       /* s2 terminated before s1.  */
-       return 1;
-      if (mbui_avail (iter2))
-       /* s1 terminated before s2.  */
-       return -1;
-      return 0;
-    }
-  else
-    {
-      const unsigned char *p1 = (const unsigned char *) s1;
-      const unsigned char *p2 = (const unsigned char *) s2;
-      unsigned char c1, c2;
-
-      do
-       {
-         c1 = TOLOWER (*p1);
-         c2 = TOLOWER (*p2);
-
-         if (c1 == '\0')
-           break;
-
-         ++p1;
-         ++p2;
-       }
-      while (c1 == c2);
-
-      if (UCHAR_MAX <= INT_MAX)
-       return c1 - c2;
-      else
-       /* On machines where 'char' and 'int' are types of the same size, the
-          difference of two 'unsigned char' values - including the sign bit -
-          doesn't fit in an 'int'.  */
-       return (c1 > c2 ? 1 : c1 < c2 ? -1 : 0);
-    }
-}