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/* 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 "error.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 }
};
/* 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 (error_message_count == 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:
*/
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