Revert {send,sendm,recv,recvm}msg conformance changes
[glibc.git] / localedata / xfrm-test.c
blob1b463459b7a5835c011f0daaa593fc1dd205afa9
1 /* Test collation function via transformation using real data.
2 Copyright (C) 1997-2016 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/>. */
20 #include <ctype.h>
21 #include <error.h>
22 #include <locale.h>
23 #include <stdio.h>
24 #include <stdlib.h>
25 #include <string.h>
26 #include <stdbool.h>
28 /* Keep in sync with string/strxfrm_l.c. */
29 #define SMALL_STR_SIZE 4095
31 struct lines
33 char *xfrm;
34 char *line;
37 static int xstrcmp (const void *, const void *);
39 int
40 main (int argc, char *argv[])
42 int result = 0;
43 bool nocache = false;
44 size_t nstrings, nstrings_max;
45 struct lines *strings;
46 char *line = NULL;
47 size_t len = 0;
48 size_t n;
50 if (argc < 2)
51 error (1, 0, "usage: %s <random seed> [-nocache]", argv[0]);
53 if (argc == 3)
55 if (strcmp (argv[2], "-nocache") == 0)
56 nocache = true;
57 else
59 printf ("Unknown option %s!\n", argv[2]);
60 exit (1);
64 setlocale (LC_ALL, "");
66 nstrings_max = 100;
67 nstrings = 0;
68 strings = (struct lines *) malloc (nstrings_max * sizeof (struct lines));
69 if (strings == NULL)
71 perror (argv[0]);
72 exit (1);
75 while (1)
77 char saved, *word, *newp;
78 size_t l, line_len, needed;
80 if (getline (&line, &len, stdin) < 0)
81 break;
83 if (nstrings == nstrings_max)
85 strings = (struct lines *) realloc (strings,
86 (nstrings_max *= 2)
87 * sizeof (*strings));
88 if (strings == NULL)
90 perror (argv[0]);
91 exit (1);
94 strings[nstrings].line = strdup (line);
95 l = strcspn (line, ":(;");
96 while (l > 0 && isspace (line[l - 1]))
97 --l;
99 saved = line[l];
100 line[l] = '\0';
102 if (nocache)
104 line_len = strlen (line);
105 word = malloc (line_len + SMALL_STR_SIZE + 1);
106 if (word == NULL)
108 printf ("malloc failed: %m\n");
109 exit (1);
111 memset (word, ' ', SMALL_STR_SIZE);
112 memcpy (word + SMALL_STR_SIZE, line, line_len);
113 word[line_len + SMALL_STR_SIZE] = '\0';
115 else
116 word = line;
118 needed = strxfrm (NULL, word, 0);
119 newp = malloc (needed + 1);
120 if (newp == NULL)
122 printf ("malloc failed: %m\n");
123 exit (1);
125 strxfrm (newp, word, needed + 1);
126 strings[nstrings].xfrm = newp;
128 if (nocache)
129 free (word);
130 line[l] = saved;
131 ++nstrings;
133 free (line);
135 /* First shuffle. */
136 srandom (atoi (argv[1]));
137 for (n = 0; n < 10 * nstrings; ++n)
139 int r1, r2, r;
140 size_t idx1 = random () % nstrings;
141 size_t idx2 = random () % nstrings;
142 struct lines tmp = strings[idx1];
143 strings[idx1] = strings[idx2];
144 strings[idx2] = tmp;
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);
149 r = -(r1 ^ r2);
150 if (r)
151 r /= abs (r1 ^ r2);
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);
158 /* Now sort. */
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);
168 free (strings);
170 return result;
174 static int
175 xstrcmp (const void *ptr1, const void *ptr2)
177 const struct lines *l1 = (const struct lines *) ptr1;
178 const struct lines *l2 = (const struct lines *) ptr2;
180 return strcmp (l1->xfrm, l2->xfrm);