1 /* Extended regular expression matching and search library.
2    Copyright (C) 2002-2021 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, see
18    <https://www.gnu.org/licenses/>.  */
19 
20 #define __STDC_WANT_IEC_60559_BFP_EXT__
21 
22 #ifndef _LIBC
23 # include <libc-config.h>
24 
25 # if __GNUC_PREREQ (4, 6)
26 #  pragma GCC diagnostic ignored "-Wsuggest-attribute=pure"
27 # endif
28 # if __GNUC_PREREQ (4, 3)
29 #  pragma GCC diagnostic ignored "-Wold-style-definition"
30 #  pragma GCC diagnostic ignored "-Wtype-limits"
31 # endif
32 #endif
33 
34 /* Make sure no one compiles this code with a C++ compiler.  */
35 #if defined __cplusplus && defined _LIBC
36 # error "This is C code, use a C compiler"
37 #endif
38 
39 #ifdef _LIBC
40 /* We have to keep the namespace clean.  */
41 # define regfree(preg) __regfree (preg)
42 # define regexec(pr, st, nm, pm, ef) __regexec (pr, st, nm, pm, ef)
43 # define regcomp(preg, pattern, cflags) __regcomp (preg, pattern, cflags)
44 # define regerror(errcode, preg, errbuf, errbuf_size) \
45 	__regerror(errcode, preg, errbuf, errbuf_size)
46 # define re_set_registers(bu, re, nu, st, en) \
47 	__re_set_registers (bu, re, nu, st, en)
48 # define re_match_2(bufp, string1, size1, string2, size2, pos, regs, stop) \
49 	__re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
50 # define re_match(bufp, string, size, pos, regs) \
51 	__re_match (bufp, string, size, pos, regs)
52 # define re_search(bufp, string, size, startpos, range, regs) \
53 	__re_search (bufp, string, size, startpos, range, regs)
54 # define re_compile_pattern(pattern, length, bufp) \
55 	__re_compile_pattern (pattern, length, bufp)
56 # define re_set_syntax(syntax) __re_set_syntax (syntax)
57 # define re_search_2(bufp, st1, s1, st2, s2, startpos, range, regs, stop) \
58 	__re_search_2 (bufp, st1, s1, st2, s2, startpos, range, regs, stop)
59 # define re_compile_fastmap(bufp) __re_compile_fastmap (bufp)
60 
61 # include "../locale/localeinfo.h"
62 #endif
63 
64 /* On some systems, limits.h sets RE_DUP_MAX to a lower value than
65    GNU regex allows.  Include it before <regex.h>, which correctly
66    #undefs RE_DUP_MAX and sets it to the right value.  */
67 #include <limits.h>
68 
69 #include <regex.h>
70 #include "regex_internal.h"
71 
72 #include "regex_internal.c"
73 #include "regcomp.c"
74 #include "regexec.c"
75 
76 /* Binary backward compatibility.  */
77 #if _LIBC
78 # include <shlib-compat.h>
79 # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3)
80 link_warning (re_max_failures, "the 're_max_failures' variable is obsolete and will go away.")
81 int re_max_failures = 2000;
82 # endif
83 #endif
84