Fix standalone stdio.h inclusion.
[glibc.git] / localedata / collate-test.c
blobe8f43218fdfbf0fa8959bd76339214afbc76adf5
1 /* Test collation function using real data.
2 Copyright (C) 1997, 1999, 2000, 2003 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 <error.h>
23 #include <locale.h>
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
29 struct lines
31 char *key;
32 char *line;
35 static int xstrcoll (const void *, const void *);
37 int
38 main (int argc, char *argv[])
40 int result = 0;
41 size_t nstrings, nstrings_max;
42 struct lines *strings;
43 char *line = NULL;
44 size_t len = 0;
45 size_t n;
47 if (argc < 2)
48 error (1, 0, "usage: %s <random seed>", argv[0]);
50 setlocale (LC_ALL, "");
52 nstrings_max = 100;
53 nstrings = 0;
54 strings = (struct lines *) malloc (nstrings_max * sizeof (struct lines));
55 if (strings == NULL)
57 perror (argv[0]);
58 exit (1);
61 while (1)
63 int l;
64 if (getline (&line, &len, stdin) < 0)
65 break;
67 if (nstrings == nstrings_max)
69 strings = (struct lines *) realloc (strings,
70 (nstrings_max *= 2)
71 * sizeof (*strings));
72 if (strings == NULL)
74 perror (argv[0]);
75 exit (1);
78 strings[nstrings].line = strdup (line);
79 l = strcspn (line, ":(;");
80 while (l > 0 && isspace (line[l - 1]))
81 --l;
82 strings[nstrings].key = strndup (line, l);
83 ++nstrings;
85 free (line);
87 /* First shuffle. */
88 srandom (atoi (argv[1]));
89 for (n = 0; n < 10 * nstrings; ++n)
91 int r1, r2, r;
92 size_t idx1 = random () % nstrings;
93 size_t idx2 = random () % nstrings;
94 struct lines tmp = strings[idx1];
95 strings[idx1] = strings[idx2];
96 strings[idx2] = tmp;
98 /* While we are at it a first little test. */
99 r1 = strcoll (strings[idx1].key, strings[idx2].key);
100 r2 = strcoll (strings[idx2].key, strings[idx1].key);
101 r = r1 * r2;
103 if (r > 0 || (r == 0 && r1 != 0) || (r == 0 && r2 != 0))
104 printf ("`%s' and `%s' collate wrong: %d vs. %d\n",
105 strings[idx1].key, strings[idx2].key, r1, r2);
108 /* Now sort. */
109 qsort (strings, nstrings, sizeof (struct lines), xstrcoll);
111 /* Print the result. */
112 for (n = 0; n < nstrings; ++n)
114 fputs (strings[n].line, stdout);
115 free (strings[n].line);
116 free (strings[n].key);
118 free (strings);
120 return result;
124 static int
125 xstrcoll (ptr1, ptr2)
126 const void *ptr1;
127 const void *ptr2;
129 const struct lines *l1 = (const struct lines *) ptr1;
130 const struct lines *l2 = (const struct lines *) ptr2;
132 return strcoll (l1->key, l2->key);