diff options
Diffstat (limited to 'locale/localedef.c')
| -rw-r--r-- | locale/localedef.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/locale/localedef.c b/locale/localedef.c new file mode 100644 index 0000000..c331e11 --- /dev/null +++ b/locale/localedef.c @@ -0,0 +1,261 @@ +/* Copyright (C) 1995 Free Software Foundation, Inc. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <getopt.h> +#include <libintl.h> +#include <locale.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/stat.h> + +#include "localedef.h" + +/* The charmap file used. If none given DEFAULT_CHARMAP is used. */ +static char *charmap_file; + +/* If set output is always written, even when warning are given. */ +static int force_output; + +/* The input file name. */ +static char *input_file; + +/* Path leading to the destination directory for the produced files. */ +char *output_path; + +/* If this is defined be POSIX conform. */ +int posix_conformance; + +/* If not zero give a lot more messages. */ +int verbose; + +/* Long options. */ +static const struct option long_options[] = + { + { "charmap", required_argument, NULL, 'f' }, + { "debug", no_argument, NULL, 'd' }, + { "help", no_argument, NULL, 'h' }, + { "force", no_argument, NULL, 'c' }, + { "inputfile", required_argument, NULL, 'i' }, + { "posix", no_argument, &posix_conformance, 1 }, + { "verbose", no_argument, &verbose, 1}, + { "version", no_argument, NULL, 'V' }, + { NULL, 0, NULL, 0 } + }; + + +/* This is defined in error-msg.h. */ +extern int warning_cntr; + + +/* Prototypes for local functions. */ +static void usage (int status) __attribute__ ((noreturn)); +static int construct_output_path (const char *path); + +int +main(int argc, char *argv[]) +{ + int optchar; + int cannot_write; + int do_help = 0; + int do_version = 0; + + /* Set initial values for global varaibles. */ + charmap_file = NULL; + force_output = 0; + input_file = 0; + posix_conformance = getenv ("POSIXLY_CORRECT") != NULL; + verbose = 0; + + /* Set locale. Do not set LC_ALL because the other categories must + not be affected (acccording to POSIX.2). */ + setlocale (LC_MESSAGES, ""); + setlocale (LC_CTYPE, ""); + + /* Initialize the message catalog. */ + textdomain (PACKAGE); + + while ((optchar = getopt_long (argc, argv, "cdf:hi:vV", long_options, NULL)) + != EOF) + switch (optchar) + { + case '\0': + break; + case 'c': + force_output = 1; + break; + case 'f': + if (charmap_file != NULL) + error (0, 0, gettext ("\"%s %s\" overwrites old option \"%s\""), + "-f", optarg, charmap_file); + charmap_file = optarg; + break; + case 'h': + do_help = 1; + break; + case 'i': + if (input_file != NULL) + error (0, 0, gettext ("\"%s %s\" overwrites old option \"%s\""), + "-i", optarg, input_file); + input_file = optarg; + break; + case 'v': + verbose = 1; + break; + case 'V': + do_version = 1; + break; + default: + usage (4); + break; + } + + /* POSIX.2 requires to be verbose about missing characters in the + character map. */ + verbose |= posix_conformance; + + /* Version information is requested. */ + if (do_version) + { + fprintf (stderr, "GNU %s %s\n", PACKAGE, VERSION); + exit (EXIT_SUCCESS); + } + + /* Help is requested. */ + if (do_help) + usage (0); + + if (argc - optind != 1) + /* We need exactly one non-option parameter. */ + usage (4); + + /* The parameter describes the output path of the constructed files. + If the files cannot be written return a non-zero value. */ + cannot_write = construct_output_path (argv[optind]); + + /* Now that the parameters are processed we have to reset the local + ctype locale. (POSIX.2 4.35.5.2) */ + setlocale (LC_CTYPE, "POSIX"); + + /* Look whether the system really allows locale definitions. */ + if (sysconf (_SC_2_LOCALEDEF) < 0) + error (3, 0, + gettext ("warning: system does not define `_POSIX2_LOCALEDEF'")); + + /* Process charmap file. */ + charmap_read (charmap_file); + + /* Now read the locale file. */ + locfile_read (input_file); + + /* Check all categories for consistency. */ + categories_check (); + + /* We are now able to write the data files. If warning were given we + do it only if it is explicitly requested (--force). */ + if (warning_cntr == 0 || force_output != 0) + if (cannot_write != 0) + error (0, 0, gettext ("cannot write output file `%s': %s"), + output_path, strerror (cannot_write)); + else + categories_write (); + else + error (0, 0, + gettext ("no output file produced because warning were issued")); + + exit (EXIT_SUCCESS); +} + + +/* Display usage information and exit. */ +static void +usage(int status) +{ + if (status != EXIT_SUCCESS) + fprintf (stderr, gettext ("Try `%s --help' for more information.\n"), + program_invocation_name); + else + printf(gettext ("\ +Usage: %s [OPTION]... name\n\ +Mandatory arguments to long options are mandatory for short options too.\n\ + -c, --force create output even if warning messages have been issued\n\ + -h, --help display this help and exit\n\ + -V, --version output version information and exit\n\ +\n\ + -i, --inputfile=FILE source definitions are found in FILE\n\ + -f, --charmap=FILE symbolic character names defined in FILE\n\ +\n\ + -v, --verbose print more messages\n\ + --posix be strictly POSIX conform\n\ +\n\ +System's directory for character maps: %s\n\ + locale files : %s\n\ +"), program_invocation_name, CHARMAP_PATH, LOCALE_PATH); + + exit (status); +} + + +/* The parameter to localedef describes the output path. If it does + contain a '/' character it is a relativ path. Otherwise it names the + locale this definition is for. */ +static int +construct_output_path (const char *path) +{ + int result = 0; + + if (strchr (path, '/') == NULL) + { + /* This is a system path. */ + int path_max_len = pathconf (LOCALE_PATH, _PC_PATH_MAX) + 1; + output_path = (char *) xmalloc (path_max_len); + + snprintf (output_path, path_max_len, "%s/%s", LOCALE_PATH, path); + } + else + { + char *t; + /* This is a user path. */ + output_path = malloc (strlen (path) + 2); + t = stpcpy (output_path, path); + *t = '\0'; + } + + if (euidaccess (output_path, W_OK) == -1) + /* Perhaps the directory does not exist now. Try to create it. */ + if (errno == ENOENT) + { + if (mkdir (output_path, 0777) == -1) + result = errno; + } + else + result = errno; + + if (result == 0) + strcat (output_path, "/"); + + return result; +} + +/* + * Local Variables: + * mode:c + * c-basic-offset:2 + * End: + */ |