1 /**********************************************************************
2 regposerr.c - Oniguruma (regular expression library)
3 **********************************************************************/
4 /*-
5 * Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
6 * All rights reserved.
7 *
8 * (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 /*#include "config.h"*/
33 #include "onigposix.h"
34
35 #if 0
36 #ifdef HAVE_STRING_H
37 # include <string.h>
38 #else
39 # include <strings.h>
40 #endif
41 #endif
42
43 #if defined(__GNUC__)
44 # define ARG_UNUSED __attribute__ ((unused))
45 #else
46 # define ARG_UNUSED
47 #endif
48
49 static char* ESTRING[] = {
50 NULL,
51 "failed to match", /* REG_NOMATCH */
52 "Invalid regular expression", /* REG_BADPAT */
53 "invalid collating element referenced", /* REG_ECOLLATE */
54 "invalid character class type referenced", /* REG_ECTYPE */
55 "bad backslash-escape sequence", /* REG_EESCAPE */
56 "invalid back reference number", /* REG_ESUBREG */
57 "imbalanced [ and ]", /* REG_EBRACK */
58 "imbalanced ( and )", /* REG_EPAREN */
59 "imbalanced { and }", /* REG_EBRACE */
60 "invalid repeat range {n,m}", /* REG_BADBR */
61 "invalid range", /* REG_ERANGE */
62 "Out of memory", /* REG_ESPACE */
63 "? * + not preceded by valid regular expression", /* REG_BADRPT */
64
65 /* Extended errors */
66 "internal error", /* REG_EONIG_INTERNAL */
67 "invalid wide char value", /* REG_EONIG_BADWC */
68 "invalid argument", /* REG_EONIG_BADARG */
69 "multi-thread error" /* REG_EONIG_THREAD */
70 };
71
72 //#include <stdio.h>
73
74
75 extern size_t
regerror(int posix_ecode,const regex_t * reg ARG_UNUSED,char * buf,size_t size)76 regerror(int posix_ecode, const regex_t* reg ARG_UNUSED, char* buf,
77 size_t size)
78 {
79 char* s;
80 char tbuf[35];
81 size_t len;
82
83 if (posix_ecode > 0
84 && posix_ecode < (int )(sizeof(ESTRING) / sizeof(ESTRING[0]))) {
85 s = ESTRING[posix_ecode];
86 }
87 else if (posix_ecode == 0) {
88 s = "";
89 }
90 else {
91 sprintf_s(tbuf, sizeof(tbuf), "undefined error code (%d)", posix_ecode);
92 s = tbuf;
93 }
94
95 len = strlen_s(s, MAX_STRING_SIZE) + 1; /* use strlen() because s is ascii encoding. */
96
97 if (buf != NULL && size > 0) {
98 strncpy_s(buf, size, s, size - 1);
99 buf[size - 1] = '\0';
100 }
101 return len;
102 }
103