1 /* Test collation function via transformation using real data.
2 Copyright (C) 1997-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
27 /* Keep in sync with string/strxfrm_l.c. */
28 #define SMALL_STR_SIZE 4095
36 static int xstrcmp (const void *, const void *);
39 main (int argc, char *argv[])
43 size_t nstrings, nstrings_max;
44 struct lines *strings;
50 error (1, 0, "usage: %s <random seed> [-nocache]", argv[0]);
54 if (strcmp (argv[2], "-nocache") == 0)
58 printf ("Unknown option %s!\n", argv[2]);
63 setlocale (LC_ALL, "");
67 strings = (struct lines *) malloc (nstrings_max * sizeof (struct lines));
76 char saved, *word, *newp;
77 size_t l, line_len, needed;
79 if (getline (&line, &len, stdin) < 0)
82 if (nstrings == nstrings_max)
84 strings = (struct lines *) realloc (strings,
93 strings[nstrings].line = strdup (line);
94 l = strcspn (line, ":(;");
95 while (l > 0 && isspace (line[l - 1]))
103 line_len = strlen (line);
104 word = malloc (line_len + SMALL_STR_SIZE + 1);
107 printf ("malloc failed: %m\n");
110 memset (word, ' ', SMALL_STR_SIZE);
111 memcpy (word + SMALL_STR_SIZE, line, line_len);
112 word[line_len + SMALL_STR_SIZE] = '\0';
117 needed = strxfrm (NULL, word, 0);
118 newp = malloc (needed + 1);
121 printf ("malloc failed: %m\n");
124 strxfrm (newp, word, needed + 1);
125 strings[nstrings].xfrm = newp;
135 srandom (atoi (argv[1]));
136 for (n = 0; n < 10 * nstrings; ++n)
139 size_t idx1 = random () % nstrings;
140 size_t idx2 = random () % nstrings;
141 struct lines tmp = strings[idx1];
142 strings[idx1] = strings[idx2];
145 /* While we are at it a first little test. */
146 r1 = strcmp (strings[idx1].xfrm, strings[idx2].xfrm);
147 r2 = strcmp (strings[idx2].xfrm, strings[idx1].xfrm);
152 if (r < 0 || (r == 0 && (r1 != 0 || r2 != 0))
153 || (r > 0 && (r1 ^ r2) >= 0))
154 printf ("collate wrong: %d vs. %d\n", r1, r2);
158 qsort (strings, nstrings, sizeof (struct lines), xstrcmp);
160 /* Print the result. */
161 for (n = 0; n < nstrings; ++n)
163 fputs (strings[n].line, stdout);
164 free (strings[n].line);
165 free (strings[n].xfrm);
174 xstrcmp (const void *ptr1, const void *ptr2)
176 const struct lines *l1 = (const struct lines *) ptr1;
177 const struct lines *l2 = (const struct lines *) ptr2;
179 return strcmp (l1->xfrm, l2->xfrm);