3f04b0c175
2003-07-27 Andreas Jaeger <aj@suse.de> * collate-test.c: Include error.h for error prototype. * xfrm-test.c: Likewise.
134 lines
3.3 KiB
C
134 lines
3.3 KiB
C
/* Test collation function using real data.
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Copyright (C) 1997, 1999, 2000, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <ctype.h>
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#include <error.h>
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#include <locale.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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struct lines
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{
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char *key;
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char *line;
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};
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static int xstrcoll (const void *, const void *);
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int
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main (int argc, char *argv[])
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{
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int result = 0;
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size_t nstrings, nstrings_max;
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struct lines *strings;
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char *line = NULL;
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size_t len = 0;
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size_t n;
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if (argc < 2)
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error (1, 0, "usage: %s <random seed>", argv[0]);
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setlocale (LC_ALL, "");
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nstrings_max = 100;
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nstrings = 0;
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strings = (struct lines *) malloc (nstrings_max * sizeof (struct lines));
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if (strings == NULL)
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{
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perror (argv[0]);
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exit (1);
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}
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while (1)
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{
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int l;
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if (getline (&line, &len, stdin) < 0)
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break;
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if (nstrings == nstrings_max)
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{
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strings = (struct lines *) realloc (strings,
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(nstrings_max *= 2)
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* sizeof (*strings));
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if (strings == NULL)
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{
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perror (argv[0]);
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exit (1);
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}
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}
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strings[nstrings].line = strdup (line);
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l = strcspn (line, ":(;");
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while (l > 0 && isspace (line[l - 1]))
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--l;
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strings[nstrings].key = strndup (line, l);
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++nstrings;
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}
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free (line);
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/* First shuffle. */
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srandom (atoi (argv[1]));
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for (n = 0; n < 10 * nstrings; ++n)
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{
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int r1, r2, r;
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size_t idx1 = random () % nstrings;
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size_t idx2 = random () % nstrings;
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struct lines tmp = strings[idx1];
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strings[idx1] = strings[idx2];
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strings[idx2] = tmp;
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/* While we are at it a first little test. */
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r1 = strcoll (strings[idx1].key, strings[idx2].key);
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r2 = strcoll (strings[idx2].key, strings[idx1].key);
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r = r1 * r2;
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if (r > 0 || (r == 0 && r1 != 0) || (r == 0 && r2 != 0))
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printf ("`%s' and `%s' collate wrong: %d vs. %d\n",
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strings[idx1].key, strings[idx2].key, r1, r2);
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}
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/* Now sort. */
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qsort (strings, nstrings, sizeof (struct lines), xstrcoll);
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/* Print the result. */
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for (n = 0; n < nstrings; ++n)
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{
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fputs (strings[n].line, stdout);
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free (strings[n].line);
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free (strings[n].key);
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}
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free (strings);
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return result;
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}
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static int
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xstrcoll (ptr1, ptr2)
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const void *ptr1;
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const void *ptr2;
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{
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const struct lines *l1 = (const struct lines *) ptr1;
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const struct lines *l2 = (const struct lines *) ptr2;
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return strcoll (l1->key, l2->key);
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}
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