/* Test collation function using real data.
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
#include <ctype.h>
+#include <error.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
struct lines
{
- const char *key;
- const char *line;
+ char *key;
+ char *line;
};
-static int xstrcoll __P ((const void *, const void *));
+static int xstrcoll (const void *, const void *);
int
main (int argc, char *argv[])
size_t len = 0;
size_t n;
+ if (argc < 2)
+ error (1, 0, "usage: %s <random seed>", argv[0]);
+
setlocale (LC_ALL, "");
nstrings_max = 100;
if (nstrings == nstrings_max)
{
strings = (struct lines *) realloc (strings,
- (nstrings_max *= 2
- * sizeof (*strings)));
+ (nstrings_max *= 2)
+ * sizeof (*strings));
if (strings == NULL)
{
perror (argv[0]);
strings[nstrings].key = strndup (line, l);
++nstrings;
}
+ free (line);
/* First shuffle. */
srandom (atoi (argv[1]));
/* While we are at it a first little test. */
r1 = strcoll (strings[idx1].key, strings[idx2].key);
r2 = strcoll (strings[idx2].key, strings[idx1].key);
- r = -(r1 * r2);
- if (r)
- r /= abs (r1 * r2);
+ r = r1 * r2;
- if (r < 0 || abs (r1) != r || abs (r2) != r)
+ if (r > 0 || (r == 0 && r1 != 0) || (r == 0 && r2 != 0))
printf ("`%s' and `%s' collate wrong: %d vs. %d\n",
strings[idx1].key, strings[idx2].key, r1, r2);
}
/* Print the result. */
for (n = 0; n < nstrings; ++n)
- fputs (strings[n].line, stdout);
+ {
+ fputs (strings[n].line, stdout);
+ free (strings[n].line);
+ free (strings[n].key);
+ }
+ free (strings);
return result;
}
static int
-xstrcoll (ptr1, ptr2)
- const void *ptr1;
- const void *ptr2;
+xstrcoll (const void *ptr1, const void *ptr2)
{
- struct lines *l1 = (struct lines *) ptr1;
- struct lines *l2 = (struct lines *) ptr2;
+ const struct lines *l1 = (const struct lines *) ptr1;
+ const struct lines *l2 = (const struct lines *) ptr2;
return strcoll (l1->key, l2->key);
}