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/**********************************************************************
regposerr.c - Oniguruma (regular expression library)
**********************************************************************/
/*-
* Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "config.h"
#include "onigposix.h"
#ifdef HAVE_STRING_H
# include <string.h>
#else
# include <strings.h>
#endif
#if defined(__GNUC__)
# define ARG_UNUSED __attribute__ ((unused))
#else
# define ARG_UNUSED
#endif
#if defined(_WIN32) && !defined(__GNUC__)
#define xsnprintf sprintf_s
#define xstrncpy(dest,src,size) strncpy_s(dest,size,src,_TRUNCATE)
#else
#define xsnprintf snprintf
#define xstrncpy strncpy
#endif
static char* ESTRING[] = {
NULL,
"failed to match", /* REG_NOMATCH */
"Invalid regular expression", /* REG_BADPAT */
"invalid collating element referenced", /* REG_ECOLLATE */
"invalid character class type referenced", /* REG_ECTYPE */
"bad backslash-escape sequence", /* REG_EESCAPE */
"invalid back reference number", /* REG_ESUBREG */
"imbalanced [ and ]", /* REG_EBRACK */
"imbalanced ( and )", /* REG_EPAREN */
"imbalanced { and }", /* REG_EBRACE */
"invalid repeat range {n,m}", /* REG_BADBR */
"invalid range", /* REG_ERANGE */
"Out of memory", /* REG_ESPACE */
"? * + not preceded by valid regular expression", /* REG_BADRPT */
/* Extended errors */
"internal error", /* REG_EONIG_INTERNAL */
"invalid wide char value", /* REG_EONIG_BADWC */
"invalid argument" /* REG_EONIG_BADARG */
};
#include <stdio.h>
extern size_t
regerror(int posix_ecode, const regex_t* reg ARG_UNUSED, char* buf,
size_t size)
{
char* s;
char tbuf[35];
size_t len;
if (posix_ecode > 0
&& posix_ecode < (int )(sizeof(ESTRING) / sizeof(ESTRING[0]))) {
s = ESTRING[posix_ecode];
}
else if (posix_ecode == 0) {
s = "";
}
else {
xsnprintf(tbuf, sizeof(tbuf), "undefined error code (%d)", posix_ecode);
s = tbuf;
}
len = strlen(s) + 1; /* use strlen() because s is ascii encoding. */
if (buf != NULL && size > 0) {
xstrncpy(buf, s, size - 1);
buf[size - 1] = '\0';
}
return len;
}
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