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/* Dump the character classes and character maps of a locale to a bunch
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of individual files which can be processed with diff, sed etc.
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Copyright (C) 2000-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Bruno Haible <haible@clisp.cons.org>, 2000.
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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, see
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<http://www.gnu.org/licenses/>. */
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/* Usage example:
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$ dump-ctype de_DE.UTF-8
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <wctype.h>
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#include <locale.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <errno.h>
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static const char *program_name = "dump-ctype";
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static const char *locale;
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static const char *class_names[] =
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{
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"alnum", "alpha", "blank", "cntrl", "digit", "graph", "lower",
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"print", "punct", "space", "upper", "xdigit"
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};
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static const char *map_names[] =
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{
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"tolower", "toupper", "totitle"
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};
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static void dump_class (const char *class_name)
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{
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wctype_t class;
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FILE *f;
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unsigned int ch;
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class = wctype (class_name);
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if (class == (wctype_t) 0)
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{
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fprintf (stderr, "%s %s: noexistent class %s\n", program_name,
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locale, class_name);
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return;
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}
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f = fopen (class_name, "w");
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if (f == NULL)
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{
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fprintf (stderr, "%s %s: cannot open file %s/%s\n", program_name,
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locale, locale, class_name);
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exit (1);
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}
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for (ch = 0; ch < 0x10000; ch++)
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if (iswctype (ch, class))
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fprintf (f, "0x%04X\n", ch);
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if (ferror (f) || fclose (f))
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{
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fprintf (stderr, "%s %s: I/O error on file %s/%s\n", program_name,
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locale, locale, class_name);
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exit (1);
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}
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}
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static void dump_map (const char *map_name)
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{
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wctrans_t map;
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FILE *f;
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unsigned int ch;
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map = wctrans (map_name);
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if (map == (wctrans_t) 0)
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{
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fprintf (stderr, "%s %s: noexistent map %s\n", program_name,
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locale, map_name);
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return;
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}
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f = fopen (map_name, "w");
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if (f == NULL)
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{
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fprintf (stderr, "%s %s: cannot open file %s/%s\n", program_name,
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locale, locale, map_name);
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exit (1);
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}
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for (ch = 0; ch < 0x10000; ch++)
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if (towctrans (ch, map) != ch)
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fprintf (f, "0x%04X\t0x%04X\n", ch, towctrans (ch, map));
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if (ferror (f) || fclose (f))
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{
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fprintf (stderr, "%s %s: I/O error on file %s/%s\n", program_name,
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locale, locale, map_name);
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exit (1);
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}
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}
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int
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main (int argc, char *argv[])
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{
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size_t i;
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if (argc != 2)
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{
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fprintf (stderr, "Usage: dump-ctype locale\n");
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exit (1);
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}
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locale = argv[1];
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if (setlocale (LC_ALL, locale) == NULL)
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{
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fprintf (stderr, "%s: setlocale cannot switch to locale %s\n",
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program_name, locale);
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exit (1);
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}
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if (mkdir (locale, 0777) < 0)
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{
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char buf[100];
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int save_errno = errno;
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sprintf (buf, "%s: cannot create directory %s", program_name, locale);
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errno = save_errno;
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perror (buf);
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exit (1);
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}
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if (chdir (locale) < 0)
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{
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char buf[100];
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int save_errno = errno;
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sprintf (buf, "%s: cannot chdir to %s", program_name, locale);
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errno = save_errno;
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perror (buf);
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exit (1);
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}
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for (i = 0; i < sizeof (class_names) / sizeof (class_names[0]); i++)
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dump_class (class_names[i]);
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for (i = 0; i < sizeof (map_names) / sizeof (map_names[0]); i++)
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dump_map (map_names[i]);
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return 0;
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}
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