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/*
regerror.c - POSIX regerror() implementation for TRE.
Copyright (C) 2001-2004 Ville Laurikari <vl@iki.fi>.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 (June
1991) as published by the Free Software Foundation.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /* HAVE_CONFIG_H */
#include <string.h>
#ifdef HAVE_WCHAR_H
#include <wchar.h>
#endif /* HAVE_WCHAR_H */
#ifdef HAVE_WCTYPE_H
#include <wctype.h>
#endif /* HAVE_WCTYPE_H */
#include "tre-internal.h"
#include "regex.h"
#include "gettext.h"
#define _(String) dgettext(PACKAGE, String)
#define gettext_noop(String) String
/* Error message strings for error codes listed in `regex.h'. This list
needs to be in sync with the codes listed there, naturally. */
static const char *tre_error_messages[] =
{ gettext_noop("No error"), /* REG_OK */
gettext_noop("No match"), /* REG_NOMATCH */
gettext_noop("Invalid regexp"), /* REG_BADPAT */
gettext_noop("Unknown collating element"), /* REG_ECOLLATE */
gettext_noop("Unknown character class name"), /* REG_ECTYPE */
gettext_noop("Trailing backslash"), /* REG_EESCAPE */
gettext_noop("Invalid back reference"), /* REG_ESUBREG */
gettext_noop("Missing ']'"), /* REG_EBRACK */
gettext_noop("Missing ')'"), /* REG_EPAREN */
gettext_noop("Missing '}'"), /* REG_EBRACE */
gettext_noop("Invalid contents of {}"), /* REG_BADBR */
gettext_noop("Invalid character range"), /* REG_ERANGE */
gettext_noop("Out of memory"), /* REG_ESPACE */
gettext_noop("XXX") /* REG_BADRPT */
};
size_t
regerror(int errcode, const regex_t *preg, char *errbuf, size_t errbuf_size)
{
const char *err;
size_t err_len;
if (errcode >= 0
&& errcode < (sizeof(tre_error_messages) / sizeof(*tre_error_messages)))
err = gettext(tre_error_messages[errcode]);
else
err = gettext("Unknown error");
err_len = strlen(err) + 1;
if (errbuf_size > 0 && errbuf != NULL)
{
if (err_len > errbuf_size)
{
strncpy(errbuf, err, errbuf_size - 1);
errbuf[errbuf_size - 1] = '\0';
}
else
{
strcpy(errbuf, err);
}
}
return err_len;
}
/* EOF */
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