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/* gpg-error.c - Determining gpg-error error codes.
Copyright (C) 2004 g10 Code GmbH
This file is part of libgpg-error.
libgpg-error is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License
as published by the Free Software Foundation; either version 2.1 of
the License, or (at your option) any later version.
libgpg-error 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libgpg-error; if not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#ifdef USE_SIMPLE_GETTEXT
int set_gettext_file( const char *filename );
const char *gettext( const char *msgid );
# define _(a) gettext (a)
# define N_(a) (a)
#else
# ifdef HAVE_LOCALE_H
# include <locale.h>
# endif
# ifdef ENABLE_NLS
# include <libintl.h>
# define _(a) gettext (a)
# ifdef gettext_noop
# define N_(a) gettext_noop (a)
# else
# define N_(a) (a)
# endif
# else
# define _(a) (a)
# define N_(a) (a)
# endif
#endif /*!USE_SIMPLE_GETTEXT*/
#include <gpg-error.h>
const char *gpg_strerror_sym (gpg_error_t err);
const char *gpg_strsource_sym (gpg_error_t err);
static int
get_err_from_number (char *str, gpg_error_t *err)
{
unsigned long nr;
char *tail;
errno = 0;
nr = strtoul (str, &tail, 0);
if (errno || *tail)
return 0;
if (nr > UINT_MAX)
return 0;
*err = (unsigned int) nr;
return 1;
}
static int
get_err_from_symbol_one (char *str, gpg_error_t *err,
int *have_source, int *have_code)
{
static const char src_prefix[] = "GPG_ERR_SOURCE_";
static const char code_prefix[] = "GPG_ERR_";
if (!strncasecmp (src_prefix, str, sizeof (src_prefix) - 1))
{
gpg_err_source_t src;
if (*have_source)
return 0;
*have_source = 1;
str += sizeof (src_prefix) - 1;
for (src = 0; src < GPG_ERR_SOURCE_DIM; src++)
{
const char *src_sym = gpg_strsource_sym (src << GPG_ERR_SOURCE_SHIFT);
if (src_sym && !strcasecmp (str, src_sym + sizeof (src_prefix) - 1))
{
*err |= src << GPG_ERR_SOURCE_SHIFT;
return 1;
}
}
}
else if (!strncasecmp (code_prefix, str, sizeof (code_prefix) - 1))
{
gpg_err_code_t code;
if (*have_code)
return 0;
*have_code = 1;
str += sizeof (code_prefix) - 1;
for (code = 0; code < GPG_ERR_CODE_DIM; code++)
{
const char *code_sym = gpg_strerror_sym (code);
if (code_sym
&& !strcasecmp (str, code_sym + sizeof (code_prefix) - 1))
{
*err |= code;
return 1;
}
}
}
return 0;
}
static int
get_err_from_symbol (char *str, gpg_error_t *err)
{
char *str2 = str;
int have_source = 0;
int have_code = 0;
int ret;
char *saved_pos = NULL;
char saved_char;
*err = 0;
while (*str2 && ((*str2 >= 'A' && *str2 <= 'Z')
|| (*str2 >= '0' && *str2 <= '9')
|| *str2 == '_'))
str2++;
if (*str2)
{
saved_pos = str2;
saved_char = *str2;
*str2 = '\0';
str2++;
}
else
str2 = NULL;
ret = get_err_from_symbol_one (str, err, &have_source, &have_code);
if (ret && str2)
ret = get_err_from_symbol_one (str2, err, &have_source, &have_code);
if (saved_pos)
*saved_pos = saved_char;
return ret;
}
static int
get_err_from_str_one (char *str, gpg_error_t *err,
int *have_source, int *have_code)
{
gpg_err_source_t src;
gpg_err_code_t code;
for (src = 0; src < GPG_ERR_SOURCE_DIM; src++)
{
const char *src_str = gpg_strsource (src << GPG_ERR_SOURCE_SHIFT);
if (src_str && !strcasecmp (str, src_str))
{
if (*have_source)
return 0;
*have_source = 1;
*err |= src << GPG_ERR_SOURCE_SHIFT;
return 1;
}
}
for (code = 0; code < GPG_ERR_CODE_DIM; code++)
{
const char *code_str = gpg_strerror (code);
if (code_str && !strcasecmp (str, code_str))
{
if (*have_code)
return 0;
*have_code = 1;
*err |= code;
return 1;
}
}
return 0;
}
static int
get_err_from_str (char *str, gpg_error_t *err)
{
char *str2 = str;
int have_source = 0;
int have_code = 0;
int ret;
char *saved_pos = NULL;
char saved_char;
*err = 0;
ret = get_err_from_str_one (str, err, &have_source, &have_code);
if (ret)
return ret;
while (*str2 && ((*str2 >= 'A' && *str2 <= 'Z')
|| (*str2 >= 'a' && *str2 <= 'z')
|| (*str2 >= '0' && *str2 <= '9')
|| *str2 == '_'))
str2++;
if (*str2)
{
saved_pos = str2;
saved_char = *str2;
*((char *) str2) = '\0';
str2++;
while (*str2 && !((*str2 >= 'A' && *str2 <= 'Z')
|| (*str2 >= 'a' && *str2 <= 'z')
|| (*str2 >= '0' && *str2 <= '9')
|| *str2 == '_'))
str2++;
}
else
str2 = NULL;
ret = get_err_from_str_one (str, err, &have_source, &have_code);
if (ret && str2)
ret = get_err_from_str_one (str2, err, &have_source, &have_code);
if (saved_pos)
*saved_pos = saved_char;
return ret;
}
static void
i18n_init(void)
{
#ifdef USE_SIMPLE_GETTEXT
set_gettext_file (PACKAGE);
#else
# ifdef ENABLE_NLS
# ifdef HAVE_LC_MESSAGES
setlocale (LC_TIME, "");
setlocale (LC_MESSAGES, "");
# else
setlocale (LC_ALL, "" );
# endif
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
# endif
#endif
}
int
main (int argc, char *argv[])
{
int i = 1;
/* Setup I18N. */
i18n_init();
if (argc == 1)
{
fprintf (stderr, _("Usage: %s GPG-ERROR [...]\n"), argv[0]);
exit (1);
}
while (i < argc)
{
gpg_error_t err;
if (get_err_from_number (argv[i], &err)
|| get_err_from_symbol (argv[i], &err)
|| get_err_from_str (argv[i], &err))
{
const char *source_sym = gpg_strsource_sym (err);
const char *error_sym = gpg_strerror_sym (err);
printf ("%u = (%u, %u) = (%s, %s) = (%s, %s)\n",
err, gpg_err_source (err), gpg_err_code (err),
source_sym ? source_sym : "-", error_sym ? error_sym : "-",
gpg_strsource (err), gpg_strerror (err));
}
else
fprintf (stderr, _("%s: warning: could not recognize %s\n"),
argv[0], argv[i]);
i++;
}
exit (0);
}
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