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.
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.
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.
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. */
34 static int xstrcmp __P ((const void *, const void *));
37 main (int argc, char *argv[])
40 size_t nstrings, nstrings_max;
41 struct lines *strings;
46 setlocale (LC_ALL, "");
50 strings = (struct lines *) malloc (nstrings_max * sizeof (struct lines));
62 if (getline (&line, &len, stdin) < 0)
65 if (nstrings == nstrings_max)
67 strings = (struct lines *) realloc (strings,
69 * sizeof (*strings)));
76 strings[nstrings].line = strdup (line);
77 l = strcspn (line, ":(;");
78 while (l > 0 && isspace (line[l - 1]))
83 needed = strxfrm (NULL, line, 0);
84 newp = malloc (needed + 1);
85 strxfrm (newp, line, needed + 1);
86 strings[nstrings].xfrm = newp;
92 srandom (atoi (argv[1]));
93 for (n = 0; n < 10 * nstrings; ++n)
96 size_t idx1 = random () % nstrings;
97 size_t idx2 = random () % nstrings;
98 struct lines tmp = strings[idx1];
99 strings[idx1] = strings[idx2];
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);
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);
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);
130 struct lines *l1 = (struct lines *) ptr1;
131 struct lines *l2 = (struct lines *) ptr2;
133 return strcmp (l1->xfrm, l2->xfrm);