rebase --root: fix amending root commit messages
[git.git] / compat / regex / regex.c
blobf3e03a9eabeeef48abb401ec14b824261b590fa0
1 /* Extended regular expression matching and search library.
2 Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
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.
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.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
24 /* Make sure no one compiles this code with a C++ compiler. */
25 #ifdef __cplusplus
26 # error "This is C code, use a C compiler"
27 #endif
29 #ifdef _LIBC
30 /* We have to keep the namespace clean. */
31 # define regfree(preg) __regfree (preg)
32 # define regexec(pr, st, nm, pm, ef) __regexec (pr, st, nm, pm, ef)
33 # define regcomp(preg, pattern, cflags) __regcomp (preg, pattern, cflags)
34 # define regerror(errcode, preg, errbuf, errbuf_size) \
35 __regerror(errcode, preg, errbuf, errbuf_size)
36 # define re_set_registers(bu, re, nu, st, en) \
37 __re_set_registers (bu, re, nu, st, en)
38 # define re_match_2(bufp, string1, size1, string2, size2, pos, regs, stop) \
39 __re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
40 # define re_match(bufp, string, size, pos, regs) \
41 __re_match (bufp, string, size, pos, regs)
42 # define re_search(bufp, string, size, startpos, range, regs) \
43 __re_search (bufp, string, size, startpos, range, regs)
44 # define re_compile_pattern(pattern, length, bufp) \
45 __re_compile_pattern (pattern, length, bufp)
46 # define re_set_syntax(syntax) __re_set_syntax (syntax)
47 # define re_search_2(bufp, st1, s1, st2, s2, startpos, range, regs, stop) \
48 __re_search_2 (bufp, st1, s1, st2, s2, startpos, range, regs, stop)
49 # define re_compile_fastmap(bufp) __re_compile_fastmap (bufp)
51 # include "../locale/localeinfo.h"
52 #endif
54 #if defined (_MSC_VER)
55 #include <stdio.h> /* for size_t */
56 #endif
58 /* On some systems, limits.h sets RE_DUP_MAX to a lower value than
59 GNU regex allows. Include it before <regex.h>, which correctly
60 #undefs RE_DUP_MAX and sets it to the right value. */
61 #include <limits.h>
62 #include <stdint.h>
64 #ifdef GAWK
65 #undef alloca
66 #define alloca alloca_is_bad_you_should_never_use_it
67 #endif
68 #include <regex.h>
69 #include "regex_internal.h"
71 #include "regex_internal.c"
72 #ifdef GAWK
73 #define bool int
74 #define true (1)
75 #define false (0)
76 #endif
77 #include "regcomp.c"
78 #include "regexec.c"
80 /* Binary backward compatibility. */
81 #if _LIBC
82 # include <shlib-compat.h>
83 # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3)
84 link_warning (re_max_failures, "the 're_max_failures' variable is obsolete and will go away.")
85 int re_max_failures = 2000;
86 # endif
87 #endif