regex.c 3.1 KB

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  1. /* Extended regular expression matching and search library.
  2. Copyright (C) 2002-2013 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
  5. The GNU C Library is free software; you can redistribute it and/or
  6. modify it under the terms of the GNU Lesser General Public
  7. License as published by the Free Software Foundation; either
  8. version 2.1 of the License, or (at your option) any later version.
  9. The GNU C Library is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12. Lesser General Public License for more details.
  13. You should have received a copy of the GNU Lesser General Public
  14. License along with the GNU C Library; if not, see
  15. <http://www.gnu.org/licenses/>. */
  16. #ifndef _LIBC
  17. # include <config.h>
  18. # if (__GNUC__ == 4 && 6 <= __GNUC_MINOR__) || 4 < __GNUC__
  19. # pragma GCC diagnostic ignored "-Wsuggest-attribute=pure"
  20. # endif
  21. # if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__
  22. # pragma GCC diagnostic ignored "-Wtype-limits"
  23. # endif
  24. #endif
  25. /* Make sure no one compiles this code with a C++ compiler. */
  26. #if defined __cplusplus && defined _LIBC
  27. # error "This is C code, use a C compiler"
  28. #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)
  50. # include "../locale/localeinfo.h"
  51. #endif
  52. /* On some systems, limits.h sets RE_DUP_MAX to a lower value than
  53. GNU regex allows. Include it before <regex.h>, which correctly
  54. #undefs RE_DUP_MAX and sets it to the right value. */
  55. #include <limits.h>
  56. #include <regex.h>
  57. #include "regex_internal.h"
  58. #include "regex_internal.c"
  59. #include "regcomp.c"
  60. #include "regexec.c"
  61. /* Binary backward compatibility. */
  62. #if _LIBC
  63. # include <shlib-compat.h>
  64. # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3)
  65. link_warning (re_max_failures, "the 're_max_failures' variable is obsolete and will go away.")
  66. int re_max_failures = 2000;
  67. # endif
  68. #endif