1  /* Extended regular expression matching and search library.
       2     Copyright (C) 2002-2023 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  #  pragma GCC diagnostic ignored "-Wvla"
      28  # endif
      29  # if __GNUC_PREREQ (4, 3)
      30  #  pragma GCC diagnostic ignored "-Wold-style-definition"
      31  #  pragma GCC diagnostic ignored "-Wtype-limits"
      32  # endif
      33  #endif
      34  
      35  /* Make sure no one compiles this code with a C++ compiler.  */
      36  #if defined __cplusplus && defined _LIBC
      37  # error "This is C code, use a C compiler"
      38  #endif
      39  
      40  #ifdef _LIBC
      41  /* We have to keep the namespace clean.  */
      42  # define regfree(preg) __regfree (preg)
      43  # define regexec(pr, st, nm, pm, ef) __regexec (pr, st, nm, pm, ef)
      44  # define regcomp(preg, pattern, cflags) __regcomp (preg, pattern, cflags)
      45  # define regerror(errcode, preg, errbuf, errbuf_size) \
      46  	__regerror(errcode, preg, errbuf, errbuf_size)
      47  # define re_set_registers(bu, re, nu, st, en) \
      48  	__re_set_registers (bu, re, nu, st, en)
      49  # define re_match_2(bufp, string1, size1, string2, size2, pos, regs, stop) \
      50  	__re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
      51  # define re_match(bufp, string, size, pos, regs) \
      52  	__re_match (bufp, string, size, pos, regs)
      53  # define re_search(bufp, string, size, startpos, range, regs) \
      54  	__re_search (bufp, string, size, startpos, range, regs)
      55  # define re_compile_pattern(pattern, length, bufp) \
      56  	__re_compile_pattern (pattern, length, bufp)
      57  # define re_set_syntax(syntax) __re_set_syntax (syntax)
      58  # define re_search_2(bufp, st1, s1, st2, s2, startpos, range, regs, stop) \
      59  	__re_search_2 (bufp, st1, s1, st2, s2, startpos, range, regs, stop)
      60  # define re_compile_fastmap(bufp) __re_compile_fastmap (bufp)
      61  
      62  # include "../locale/localeinfo.h"
      63  #endif
      64  
      65  /* On some systems, limits.h sets RE_DUP_MAX to a lower value than
      66     GNU regex allows.  Include it before <regex.h>, which correctly
      67     #undefs RE_DUP_MAX and sets it to the right value.  */
      68  #include <limits.h>
      69  
      70  #include <regex.h>
      71  #include "regex_internal.h"
      72  
      73  #include "regex_internal.c"
      74  #include "regcomp.c"
      75  #include "regexec.c"
      76  
      77  /* Binary backward compatibility.  */
      78  #if _LIBC
      79  # include <shlib-compat.h>
      80  # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3)
      81  link_warning (re_max_failures, "the 're_max_failures' variable is obsolete and will go away.")
      82  int re_max_failures = 2000;
      83  # endif
      84  #endif