1 /**********************************************************************
2 regposerr.c - Oniguruma (regular expression library)
3 **********************************************************************/
5 * Copyright (c) 2002-2018 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 /* Can't include regint.h etc.. for conflict of regex_t.
31 Define ONIGURUMA_EXPORT here for onigposix.h.
33 #ifndef ONIGURUMA_EXPORT
34 #define ONIGURUMA_EXPORT
38 #include "onigposix.h"
47 # define ARG_UNUSED __attribute__ ((unused))
52 #if defined(_WIN32) && !defined(__GNUC__)
53 #define xsnprintf sprintf_s
54 #define xstrncpy(dest,src,size) strncpy_s(dest,size,src,_TRUNCATE)
56 #define xsnprintf snprintf
57 #define xstrncpy strncpy
60 static char* ESTRING[] = {
62 "failed to match", /* REG_NOMATCH */
63 "Invalid regular expression", /* REG_BADPAT */
64 "invalid collating element referenced", /* REG_ECOLLATE */
65 "invalid character class type referenced", /* REG_ECTYPE */
66 "bad backslash-escape sequence", /* REG_EESCAPE */
67 "invalid back reference number", /* REG_ESUBREG */
68 "imbalanced [ and ]", /* REG_EBRACK */
69 "imbalanced ( and )", /* REG_EPAREN */
70 "imbalanced { and }", /* REG_EBRACE */
71 "invalid repeat range {n,m}", /* REG_BADBR */
72 "invalid range", /* REG_ERANGE */
73 "Out of memory", /* REG_ESPACE */
74 "? * + not preceded by valid regular expression", /* REG_BADRPT */
77 "internal error", /* REG_EONIG_INTERNAL */
78 "invalid wide char value", /* REG_EONIG_BADWC */
79 "invalid argument" /* REG_EONIG_BADARG */
86 regerror(int posix_ecode, const regex_t* reg ARG_UNUSED, char* buf,
94 && posix_ecode < (int )(sizeof(ESTRING) / sizeof(ESTRING[0]))) {
95 s = ESTRING[posix_ecode];
97 else if (posix_ecode == 0) {
101 xsnprintf(tbuf, sizeof(tbuf), "undefined error code (%d)", posix_ecode);
105 len = strlen(s) + 1; /* use strlen() because s is ascii encoding. */
107 if (buf != NULL && size > 0) {
108 xstrncpy(buf, s, size - 1);
109 buf[size - 1] = '\0';