1 | /**********************************************************************
|
---|
2 | regposerr.c - Onigmo (Oniguruma-mod) (regular expression library)
|
---|
3 | **********************************************************************/
|
---|
4 | /*-
|
---|
5 | * Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
|
---|
6 | * Copyright (c) 2011-2016 K.Takata <kentkt AT csc DOT jp>
|
---|
7 | * All rights reserved.
|
---|
8 | *
|
---|
9 | * Redistribution and use in source and binary forms, with or without
|
---|
10 | * modification, are permitted provided that the following conditions
|
---|
11 | * are met:
|
---|
12 | * 1. Redistributions of source code must retain the above copyright
|
---|
13 | * notice, this list of conditions and the following disclaimer.
|
---|
14 | * 2. Redistributions in binary form must reproduce the above copyright
|
---|
15 | * notice, this list of conditions and the following disclaimer in the
|
---|
16 | * documentation and/or other materials provided with the distribution.
|
---|
17 | *
|
---|
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
---|
19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
---|
20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
---|
21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
---|
22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
---|
23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
---|
24 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
---|
25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
---|
26 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
---|
27 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
---|
28 | * SUCH DAMAGE.
|
---|
29 | */
|
---|
30 |
|
---|
31 | #include "config.h"
|
---|
32 | #include "onigmoposix.h"
|
---|
33 | #include <string.h>
|
---|
34 |
|
---|
35 | #if defined(__GNUC__)
|
---|
36 | # define ARG_UNUSED __attribute__ ((unused))
|
---|
37 | #else
|
---|
38 | # define ARG_UNUSED
|
---|
39 | #endif
|
---|
40 |
|
---|
41 | #if defined(_WIN32) && !defined(__GNUC__)
|
---|
42 | # define xsnprintf sprintf_s
|
---|
43 | # define xstrncpy(dest,src,size) strncpy_s(dest,size,src,_TRUNCATE)
|
---|
44 | #else
|
---|
45 | # define xsnprintf snprintf
|
---|
46 | # define xstrncpy strncpy
|
---|
47 | #endif
|
---|
48 |
|
---|
49 | #define numberof(array) (int)(sizeof(array) / sizeof((array)[0]))
|
---|
50 |
|
---|
51 | static const char* ESTRING[] = {
|
---|
52 | NULL,
|
---|
53 | "failed to match", /* REG_NOMATCH */
|
---|
54 | "Invalid regular expression", /* REG_BADPAT */
|
---|
55 | "invalid collating element referenced", /* REG_ECOLLATE */
|
---|
56 | "invalid character class type referenced", /* REG_ECTYPE */
|
---|
57 | "bad backslash-escape sequence", /* REG_EESCAPE */
|
---|
58 | "invalid back reference number", /* REG_ESUBREG */
|
---|
59 | "imbalanced [ and ]", /* REG_EBRACK */
|
---|
60 | "imbalanced ( and )", /* REG_EPAREN */
|
---|
61 | "imbalanced { and }", /* REG_EBRACE */
|
---|
62 | "invalid repeat range {n,m}", /* REG_BADBR */
|
---|
63 | "invalid range", /* REG_ERANGE */
|
---|
64 | "Out of memory", /* REG_ESPACE */
|
---|
65 | "? * + not preceded by valid regular expression", /* REG_BADRPT */
|
---|
66 |
|
---|
67 | /* Extended errors */
|
---|
68 | "internal error", /* REG_EONIG_INTERNAL */
|
---|
69 | "invalid wide char value", /* REG_EONIG_BADWC */
|
---|
70 | "invalid argument", /* REG_EONIG_BADARG */
|
---|
71 | };
|
---|
72 |
|
---|
73 | #include <stdio.h>
|
---|
74 |
|
---|
75 |
|
---|
76 | extern size_t
|
---|
77 | regerror(int posix_ecode, const regex_t* reg ARG_UNUSED, char* buf,
|
---|
78 | size_t size)
|
---|
79 | {
|
---|
80 | const char* s;
|
---|
81 | char tbuf[35];
|
---|
82 | size_t len;
|
---|
83 |
|
---|
84 | if (posix_ecode > 0
|
---|
85 | && posix_ecode < numberof(ESTRING)) {
|
---|
86 | s = ESTRING[posix_ecode];
|
---|
87 | }
|
---|
88 | else if (posix_ecode == 0) {
|
---|
89 | s = "";
|
---|
90 | }
|
---|
91 | else {
|
---|
92 | xsnprintf(tbuf, sizeof(tbuf), "undefined error code (%d)", posix_ecode);
|
---|
93 | s = tbuf;
|
---|
94 | }
|
---|
95 |
|
---|
96 | len = strlen(s) + 1; /* use strlen() because s is ascii encoding. */
|
---|
97 |
|
---|
98 | if (buf != NULL && size > 0) {
|
---|
99 | xstrncpy(buf, s, size - 1);
|
---|
100 | buf[size - 1] = '\0';
|
---|
101 | }
|
---|
102 | return len;
|
---|
103 | }
|
---|