1 /* Test collation function via transformation using real data.
2 Copyright (C) 1997-2015 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, see
18 <http://www.gnu.org/licenses/>. */
28 /* Keep in sync with string/strxfrm_l.c. */
29 #define SMALL_STR_SIZE 4095
37 static int xstrcmp (const void *, const void *);
40 main (int argc, char *argv[])
44 size_t nstrings, nstrings_max;
45 struct lines *strings;
51 error (1, 0, "usage: %s <random seed> [-nocache]", argv[0]);
55 if (strcmp (argv[2], "-nocache") == 0)
59 printf ("Unknown option %s!\n", argv[2]);
64 setlocale (LC_ALL, "");
68 strings = (struct lines *) malloc (nstrings_max * sizeof (struct lines));
77 char saved, *word, *newp;
78 size_t l, line_len, needed;
80 if (getline (&line, &len, stdin) < 0)
83 if (nstrings == nstrings_max)
85 strings = (struct lines *) realloc (strings,
94 strings[nstrings].line = strdup (line);
95 l = strcspn (line, ":(;");
96 while (l > 0 && isspace (line[l - 1]))
104 line_len = strlen (line);
105 word = malloc (line_len + SMALL_STR_SIZE + 1);
108 printf ("malloc failed: %m\n");
111 memset (word, ' ', SMALL_STR_SIZE);
112 memcpy (word + SMALL_STR_SIZE, line, line_len);
113 word[line_len + SMALL_STR_SIZE] = '\0';
118 needed = strxfrm (NULL, word, 0);
119 newp = malloc (needed + 1);
122 printf ("malloc failed: %m\n");
125 strxfrm (newp, word, needed + 1);
126 strings[nstrings].xfrm = newp;
136 srandom (atoi (argv[1]));
137 for (n = 0; n < 10 * nstrings; ++n)
140 size_t idx1 = random () % nstrings;
141 size_t idx2 = random () % nstrings;
142 struct lines tmp = strings[idx1];
143 strings[idx1] = strings[idx2];
146 /* While we are at it a first little test. */
147 r1 = strcmp (strings[idx1].xfrm, strings[idx2].xfrm);
148 r2 = strcmp (strings[idx2].xfrm, strings[idx1].xfrm);
153 if (r < 0 || (r == 0 && (r1 != 0 || r2 != 0))
154 || (r > 0 && (r1 ^ r2) >= 0))
155 printf ("collate wrong: %d vs. %d\n", r1, r2);
159 qsort (strings, nstrings, sizeof (struct lines), xstrcmp);
161 /* Print the result. */
162 for (n = 0; n < nstrings; ++n)
164 fputs (strings[n].line, stdout);
165 free (strings[n].line);
166 free (strings[n].xfrm);
179 const struct lines *l1 = (const struct lines *) ptr1;
180 const struct lines *l2 = (const struct lines *) ptr2;
182 return strcmp (l1->xfrm, l2->xfrm);