source: vendor/gawk/3.1.5/regex.c@ 3076

Last change on this file since 3076 was 3076, checked in by bird, 18 years ago

gawk 3.1.5

File size: 3.0 KB
Line 
1/* Extended regular expression matching and search library.
2 Copyright (C) 2002, 2003 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301 USA. */
20
21#ifdef HAVE_CONFIG_H
22#include "config.h"
23#endif
24
25#ifdef _LIBC
26/* We have to keep the namespace clean. */
27# define regfree(preg) __regfree (preg)
28# define regexec(pr, st, nm, pm, ef) __regexec (pr, st, nm, pm, ef)
29# define regcomp(preg, pattern, cflags) __regcomp (preg, pattern, cflags)
30# define regerror(errcode, preg, errbuf, errbuf_size) \
31 __regerror(errcode, preg, errbuf, errbuf_size)
32# define re_set_registers(bu, re, nu, st, en) \
33 __re_set_registers (bu, re, nu, st, en)
34# define re_match_2(bufp, string1, size1, string2, size2, pos, regs, stop) \
35 __re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
36# define re_match(bufp, string, size, pos, regs) \
37 __re_match (bufp, string, size, pos, regs)
38# define re_search(bufp, string, size, startpos, range, regs) \
39 __re_search (bufp, string, size, startpos, range, regs)
40# define re_compile_pattern(pattern, length, bufp) \
41 __re_compile_pattern (pattern, length, bufp)
42# define re_set_syntax(syntax) __re_set_syntax (syntax)
43# define re_search_2(bufp, st1, s1, st2, s2, startpos, range, regs, stop) \
44 __re_search_2 (bufp, st1, s1, st2, s2, startpos, range, regs, stop)
45# define re_compile_fastmap(bufp) __re_compile_fastmap (bufp)
46
47# include "../locale/localeinfo.h"
48#endif
49
50#ifdef HAVE_SYS_TYPES_H
51/* POSIX says that <sys/types.h> must be included (by the caller) before
52 <regex.h>. */
53#include <sys/types.h>
54#endif
55
56#if defined (_MSC_VER)
57#include <stdio.h> /* for size_t */
58#endif
59
60/* On some systems, limits.h sets RE_DUP_MAX to a lower value than
61 GNU regex allows. Include it before <regex.h>, which correctly
62 #undefs RE_DUP_MAX and sets it to the right value. */
63#include <limits.h>
64
65#include <regex.h>
66#include "regex_internal.h"
67
68#include "regex_internal.c"
69#include "regcomp.c"
70#include "regexec.c"
71
72/* Binary backward compatibility. */
73#if _LIBC
74# include <shlib-compat.h>
75# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3)
76link_warning (re_max_failures, "the 're_max_failures' variable is obsolete and will go away.")
77int re_max_failures = 2000;
78# endif
79#endif
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