source:
MondoRescue/branches/2.2.9/mindi-busybox/libbb/xregcomp.c@
3876
Last change on this file since 3876 was 3320, checked in by , 10 years ago | |
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File size: 769 bytes |
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1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Utility routines. |
4 | * |
5 | * Copyright (C) many different people. |
6 | * If you wrote this, please acknowledge your work. |
7 | * |
8 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. |
9 | */ |
10 | |
11 | #include "libbb.h" |
12 | #include "xregex.h" |
13 | |
14 | char* FAST_FUNC regcomp_or_errmsg(regex_t *preg, const char *regex, int cflags) |
15 | { |
16 | int ret = regcomp(preg, regex, cflags); |
17 | if (ret) { |
18 | int errmsgsz = regerror(ret, preg, NULL, 0); |
19 | char *errmsg = xmalloc(errmsgsz); |
20 | regerror(ret, preg, errmsg, errmsgsz); |
21 | return errmsg; |
22 | } |
23 | return NULL; |
24 | } |
25 | |
26 | void FAST_FUNC xregcomp(regex_t *preg, const char *regex, int cflags) |
27 | { |
28 | char *errmsg = regcomp_or_errmsg(preg, regex, cflags); |
29 | if (errmsg) { |
30 | bb_error_msg_and_die("bad regex '%s': %s", regex, errmsg); |
31 | } |
32 | } |
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