localedata/xfrm-test.c

   1 /* Test collation function via transformation using real data.
   2    Copyright (C) 1997, 1998 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Library General Public License as
   8    published by the Free Software Foundation; either version 2 of the
   9    License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Library General Public License for more details.
  15
  16    You should have received a copy of the GNU Library General Public
  17    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  18    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #include <ctype.h>
  22 #include <locale.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27
  28 struct lines
  29 {
  30   const char *xfrm;
  31   const char *line;
  32 };
  33
  34 static int xstrcmp __P ((const void *, const void *));
  35
  36 int
  37 main (int argc, char *argv[])
  38 {
  39   int result = 0;
  40   size_t nstrings, nstrings_max;
  41   struct lines *strings;
  42   char *line = NULL;
  43   size_t len = 0;
  44   size_t n;
  45
  46   setlocale (LC_ALL, "");
  47
  48   nstrings_max = 100;
  49   nstrings = 0;
  50   strings = (struct lines *) malloc (nstrings_max * sizeof (struct lines));
  51   if (strings == NULL)
  52     {
  53       perror (argv[0]);
  54       exit (1);
  55     }
  56
  57   while (1)
  58     {
  59       char saved, *newp;
  60       int needed;
  61       int l;
  62       if (getline (&line, &len, stdin) < 0)
  63         break;
  64
  65       if (nstrings == nstrings_max)
  66         {
  67           strings = (struct lines *) realloc (strings,
  68                                               (nstrings_max *= 2
  69                                                * sizeof (*strings)));
  70           if (strings == NULL)
  71             {
  72               perror (argv[0]);
  73               exit (1);
  74             }
  75         }
  76       strings[nstrings].line = strdup (line);
  77       l = strcspn (line, ":(;");
  78       while (l > 0 && isspace (line[l - 1]))
  79         --l;
  80
  81       saved = line[l];
  82       line[l] = '\0';
  83       needed = strxfrm (NULL, line, 0);
  84       newp = malloc (needed + 1);
  85       strxfrm (newp, line, needed + 1);
  86       strings[nstrings].xfrm = newp;
  87       line[l] = saved;
  88       ++nstrings;
  89     }
  90
  91   /* First shuffle.  */
  92   srandom (atoi (argv[1]));
  93   for (n = 0; n < 10 * nstrings; ++n)
  94     {
  95       int r1, r2, r;
  96       size_t idx1 = random () % nstrings;
  97       size_t idx2 = random () % nstrings;
  98       struct lines tmp = strings[idx1];
  99       strings[idx1] = strings[idx2];
 100       strings[idx2] = tmp;
 101
 102       /* While we are at it a first little test.  */
 103       r1 = strcmp (strings[idx1].xfrm, strings[idx2].xfrm);
 104       r2 = strcmp (strings[idx2].xfrm, strings[idx1].xfrm);
 105       r = -(r1 ^ r2);
 106       if (r)
 107         r /= abs (r1 ^ r2);
 108
 109       if (r < 0 || (r == 0 && (r1 != 0 || r2 != 0))
 110           || (r > 0 && (r1 ^ r2) >= 0))
 111         printf ("collate wrong: %d vs. %d\n", r1, r2);
 112     }
 113
 114   /* Now sort.  */
 115   qsort (strings, nstrings, sizeof (struct lines), xstrcmp);
 116
 117   /* Print the result.  */
 118   for (n = 0; n < nstrings; ++n)
 119     fputs (strings[n].line, stdout);
 120
 121   return result;
 122 }
 123
 124
 125 static int
 126 xstrcmp (ptr1, ptr2)
 127      const void *ptr1;
 128      const void *ptr2;
 129 {
 130   struct lines *l1 = (struct lines *) ptr1;
 131   struct lines *l2 = (struct lines *) ptr2;
 132
 133   return strcmp (l1->xfrm, l2->xfrm);
 134 }