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[alt-git.git] / compat / regex / regex.c
blob6aaae003274e268f274df4b76e02609d5f27e457
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, write to the Free
18 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301 USA. */
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
25 /* Make sure no one compiles this code with a C++ compiler. */
26 #ifdef __cplusplus
27 # error "This is C code, use a C compiler"
28 #endif
30 #ifdef _LIBC
31 /* We have to keep the namespace clean. */
32 # define regfree(preg) __regfree (preg)
33 # define regexec(pr, st, nm, pm, ef) __regexec (pr, st, nm, pm, ef)
34 # define regcomp(preg, pattern, cflags) __regcomp (preg, pattern, cflags)
35 # define regerror(errcode, preg, errbuf, errbuf_size) \
36 __regerror(errcode, preg, errbuf, errbuf_size)
37 # define re_set_registers(bu, re, nu, st, en) \
38 __re_set_registers (bu, re, nu, st, en)
39 # define re_match_2(bufp, string1, size1, string2, size2, pos, regs, stop) \
40 __re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
41 # define re_match(bufp, string, size, pos, regs) \
42 __re_match (bufp, string, size, pos, regs)
43 # define re_search(bufp, string, size, startpos, range, regs) \
44 __re_search (bufp, string, size, startpos, range, regs)
45 # define re_compile_pattern(pattern, length, bufp) \
46 __re_compile_pattern (pattern, length, bufp)
47 # define re_set_syntax(syntax) __re_set_syntax (syntax)
48 # define re_search_2(bufp, st1, s1, st2, s2, startpos, range, regs, stop) \
49 __re_search_2 (bufp, st1, s1, st2, s2, startpos, range, regs, stop)
50 # define re_compile_fastmap(bufp) __re_compile_fastmap (bufp)
52 # include "../locale/localeinfo.h"
53 #endif
55 #if defined (_MSC_VER)
56 #include <stdio.h> /* for size_t */
57 #endif
59 /* On some systems, limits.h sets RE_DUP_MAX to a lower value than
60 GNU regex allows. Include it before <regex.h>, which correctly
61 #undefs RE_DUP_MAX and sets it to the right value. */
62 #include <limits.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