NPTL: Add stubs for Linux-only extension functions.
[glibc.git] / localedata / dump-ctype.c
blobbbf12f46b010c3308cd41958a931074eaa055353
1 /* Dump the character classes and character maps of a locale to a bunch
2 of individual files which can be processed with diff, sed etc.
3 Copyright (C) 2000-2014 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5 Contributed by Bruno Haible <haible@clisp.cons.org>, 2000.
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
12 The GNU C Library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public
18 License along with the GNU C Library; if not, see
19 <http://www.gnu.org/licenses/>. */
21 /* Usage example:
22 $ dump-ctype de_DE.UTF-8
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <wctype.h>
28 #include <locale.h>
29 #include <sys/stat.h>
30 #include <unistd.h>
31 #include <errno.h>
33 static const char *program_name = "dump-ctype";
34 static const char *locale;
36 static const char *class_names[] =
38 "alnum", "alpha", "blank", "cntrl", "digit", "graph", "lower",
39 "print", "punct", "space", "upper", "xdigit"
42 static const char *map_names[] =
44 "tolower", "toupper", "totitle"
47 static void dump_class (const char *class_name)
49 wctype_t class;
50 FILE *f;
51 unsigned int ch;
53 class = wctype (class_name);
54 if (class == (wctype_t) 0)
56 fprintf (stderr, "%s %s: noexistent class %s\n", program_name,
57 locale, class_name);
58 return;
61 f = fopen (class_name, "w");
62 if (f == NULL)
64 fprintf (stderr, "%s %s: cannot open file %s/%s\n", program_name,
65 locale, locale, class_name);
66 exit (1);
69 for (ch = 0; ch < 0x10000; ch++)
70 if (iswctype (ch, class))
71 fprintf (f, "0x%04X\n", ch);
73 if (ferror (f) || fclose (f))
75 fprintf (stderr, "%s %s: I/O error on file %s/%s\n", program_name,
76 locale, locale, class_name);
77 exit (1);
81 static void dump_map (const char *map_name)
83 wctrans_t map;
84 FILE *f;
85 unsigned int ch;
87 map = wctrans (map_name);
88 if (map == (wctrans_t) 0)
90 fprintf (stderr, "%s %s: noexistent map %s\n", program_name,
91 locale, map_name);
92 return;
95 f = fopen (map_name, "w");
96 if (f == NULL)
98 fprintf (stderr, "%s %s: cannot open file %s/%s\n", program_name,
99 locale, locale, map_name);
100 exit (1);
103 for (ch = 0; ch < 0x10000; ch++)
104 if (towctrans (ch, map) != ch)
105 fprintf (f, "0x%04X\t0x%04X\n", ch, towctrans (ch, map));
107 if (ferror (f) || fclose (f))
109 fprintf (stderr, "%s %s: I/O error on file %s/%s\n", program_name,
110 locale, locale, map_name);
111 exit (1);
116 main (int argc, char *argv[])
118 size_t i;
120 if (argc != 2)
122 fprintf (stderr, "Usage: dump-ctype locale\n");
123 exit (1);
125 locale = argv[1];
127 if (setlocale (LC_ALL, locale) == NULL)
129 fprintf (stderr, "%s: setlocale cannot switch to locale %s\n",
130 program_name, locale);
131 exit (1);
134 if (mkdir (locale, 0777) < 0)
136 char buf[100];
137 int save_errno = errno;
139 sprintf (buf, "%s: cannot create directory %s", program_name, locale);
140 errno = save_errno;
141 perror (buf);
142 exit (1);
145 if (chdir (locale) < 0)
147 char buf[100];
148 int save_errno = errno;
150 sprintf (buf, "%s: cannot chdir to %s", program_name, locale);
151 errno = save_errno;
152 perror (buf);
153 exit (1);
156 for (i = 0; i < sizeof (class_names) / sizeof (class_names[0]); i++)
157 dump_class (class_names[i]);
159 for (i = 0; i < sizeof (map_names) / sizeof (map_names[0]); i++)
160 dump_map (map_names[i]);
162 return 0;