1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
/*-
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Henry Spencer.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)regerror.c 8.4 (Berkeley) 3/20/94
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)regerror.c 8.4 (Berkeley) 3/20/94";
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <limits.h>
#include <stdlib.h>
#include <assert.h>
#include <regex/regex.h>
#include <regex/utils.h>
#include <regex/regex2.h>
/* ========= begin header generated by ./mkh ========= */
#ifdef __cplusplus
extern "C"
{
#endif
/* === regerror.c === */
static char *regatoi(const regex_t *preg, char *localbuf);
#ifdef __cplusplus
}
#endif
/* ========= end header generated by ./mkh ========= */
/*
= #define REG_NOMATCH 1
= #define REG_BADPAT 2
= #define REG_ECOLLATE 3
= #define REG_ECTYPE 4
= #define REG_EESCAPE 5
= #define REG_ESUBREG 6
= #define REG_EBRACK 7
= #define REG_EPAREN 8
= #define REG_EBRACE 9
= #define REG_BADBR 10
= #define REG_ERANGE 11
= #define REG_ESPACE 12
= #define REG_BADRPT 13
= #define REG_EMPTY 14
= #define REG_ASSERT 15
= #define REG_INVARG 16
= #define REG_ATOI 255 // convert name to number (!)
= #define REG_ITOA 0400 // convert number to name (!)
*/
static struct rerr
{
int code;
char *name;
char *explain;
} rerrs[] =
{
{
REG_NOMATCH, "REG_NOMATCH", "regexec() failed to match"
},
{
REG_BADPAT, "REG_BADPAT", "invalid regular expression"
},
{
REG_ECOLLATE, "REG_ECOLLATE", "invalid collating element"
},
{
REG_ECTYPE, "REG_ECTYPE", "invalid character class"
},
{
REG_EESCAPE, "REG_EESCAPE", "trailing backslash (\\)"
},
{
REG_ESUBREG, "REG_ESUBREG", "invalid backreference number"
},
{
REG_EBRACK, "REG_EBRACK", "brackets ([ ]) not balanced"
},
{
REG_EPAREN, "REG_EPAREN", "parentheses not balanced"
},
{
REG_EBRACE, "REG_EBRACE", "braces not balanced"
},
{
REG_BADBR, "REG_BADBR", "invalid repetition count(s)"
},
{
REG_ERANGE, "REG_ERANGE", "invalid character range"
},
{
REG_ESPACE, "REG_ESPACE", "out of memory"
},
{
REG_BADRPT, "REG_BADRPT", "repetition-operator operand invalid"
},
{
REG_EMPTY, "REG_EMPTY", "empty (sub)expression"
},
{
REG_ASSERT, "REG_ASSERT", "\"can't happen\" -- you found a bug"
},
{
REG_INVARG, "REG_INVARG", "invalid argument to regex routine"
},
{
0, "", "*** unknown regexp error code ***"
}
};
/*
- regerror - the interface to error numbers
= extern size_t regerror(int, const regex_t *, char *, size_t);
*/
/* ARGSUSED */
size_t
pg95_regerror(errcode, preg, errbuf, errbuf_size)
int errcode;
const regex_t *preg;
char *errbuf;
size_t errbuf_size;
{
struct rerr *r;
size_t len;
int target = errcode & ~REG_ITOA;
char *s;
char convbuf[50];
if (errcode == REG_ATOI)
s = regatoi(preg, convbuf);
else
{
for (r = rerrs; r->code != 0; r++)
if (r->code == target)
break;
if (errcode & REG_ITOA)
{
if (r->code != 0)
strcpy(convbuf, r->name);
else
sprintf(convbuf, "REG_0x%x", target);
assert(strlen(convbuf) < sizeof(convbuf));
s = convbuf;
}
else
s = r->explain;
}
len = strlen(s) + 1;
if (errbuf_size > 0)
{
if (errbuf_size > len)
strcpy(errbuf, s);
else
{
strncpy(errbuf, s, errbuf_size - 1);
errbuf[errbuf_size - 1] = '\0';
}
}
return (len);
}
/*
- regatoi - internal routine to implement REG_ATOI
== static char *regatoi(const regex_t *preg, char *localbuf);
*/
static char *
regatoi(preg, localbuf)
const regex_t *preg;
char *localbuf;
{
struct rerr *r;
for (r = rerrs; r->code != 0; r++)
#ifdef MULTIBYTE
if (pg_char_and_wchar_strcmp(r->name, preg->re_endp) == 0)
#else
if (strcmp(r->name, preg->re_endp) == 0)
#endif
break;
if (r->code == 0)
return ("0");
sprintf(localbuf, "%d", r->code);
return (localbuf);
}
|
