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[glibc.git] / localedata / xfrm-test.c
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1 /* Test collation function via transformation using real data.
2 Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
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 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #include <ctype.h>
22 #include <locale.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
28 struct lines
30 const char *xfrm;
31 const char *line;
34 static int xstrcmp (const void *, const void *);
36 int
37 main (int argc, char *argv[])
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;
46 setlocale (LC_ALL, "");
48 nstrings_max = 100;
49 nstrings = 0;
50 strings = (struct lines *) malloc (nstrings_max * sizeof (struct lines));
51 if (strings == NULL)
53 perror (argv[0]);
54 exit (1);
57 while (1)
59 char saved, *newp;
60 int needed;
61 int l;
62 if (getline (&line, &len, stdin) < 0)
63 break;
65 if (nstrings == nstrings_max)
67 strings = (struct lines *) realloc (strings,
68 (nstrings_max *= 2
69 * sizeof (*strings)));
70 if (strings == NULL)
72 perror (argv[0]);
73 exit (1);
76 strings[nstrings].line = strdup (line);
77 l = strcspn (line, ":(;");
78 while (l > 0 && isspace (line[l - 1]))
79 --l;
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;
91 /* First shuffle. */
92 srandom (atoi (argv[1]));
93 for (n = 0; n < 10 * nstrings; ++n)
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;
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);
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);
114 /* Now sort. */
115 qsort (strings, nstrings, sizeof (struct lines), xstrcmp);
117 /* Print the result. */
118 for (n = 0; n < nstrings; ++n)
119 fputs (strings[n].line, stdout);
121 return result;
125 static int
126 xstrcmp (ptr1, ptr2)
127 const void *ptr1;
128 const void *ptr2;
130 const struct lines *l1 = (const struct lines *) ptr1;
131 const struct lines *l2 = (const struct lines *) ptr2;
133 return strcmp (l1->xfrm, l2->xfrm);