regex.h 3.5 KB

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  1. /*-
  2. * Copyright (c) 1992 Henry Spencer.
  3. * Copyright (c) 1992, 1993
  4. * The Regents of the University of California. All rights reserved.
  5. *
  6. * This code is derived from software contributed to Berkeley by
  7. * Henry Spencer of the University of Toronto.
  8. *
  9. * Redistribution and use in source and binary forms, with or without
  10. * modification, are permitted provided that the following conditions
  11. * are met:
  12. * 1. Redistributions of source code must retain the above copyright
  13. * notice, this list of conditions and the following disclaimer.
  14. * 2. Redistributions in binary form must reproduce the above copyright
  15. * notice, this list of conditions and the following disclaimer in the
  16. * documentation and/or other materials provided with the distribution.
  17. * 4. Neither the name of the University nor the names of its contributors
  18. * may be used to endorse or promote products derived from this software
  19. * without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31. * SUCH DAMAGE.
  32. *
  33. * @(#)regex.h 8.2 (Berkeley) 1/3/94
  34. * $FreeBSD: src/include/regex.h,v 1.4 2002/03/23 17:24:53 imp Exp $
  35. */
  36. #ifndef _REGEX_H_
  37. #define _REGEX_H_
  38. #include <sys/cdefs.h>
  39. /* types */
  40. typedef off_t regoff_t;
  41. typedef struct {
  42. int re_magic;
  43. size_t re_nsub; /* number of parenthesized subexpressions */
  44. __const char *re_endp; /* end pointer for REG_PEND */
  45. struct re_guts *re_g; /* none of your business :-) */
  46. } regex_t;
  47. typedef struct {
  48. regoff_t rm_so; /* start of match */
  49. regoff_t rm_eo; /* end of match */
  50. } regmatch_t;
  51. /* regcomp() flags */
  52. #define REG_BASIC 0000
  53. #define REG_EXTENDED 0001
  54. #define REG_ICASE 0002
  55. #define REG_NOSUB 0004
  56. #define REG_NEWLINE 0010
  57. #define REG_NOSPEC 0020
  58. #define REG_PEND 0040
  59. #define REG_DUMP 0200
  60. /* regerror() flags */
  61. #define REG_NOMATCH 1
  62. #define REG_BADPAT 2
  63. #define REG_ECOLLATE 3
  64. #define REG_ECTYPE 4
  65. #define REG_EESCAPE 5
  66. #define REG_ESUBREG 6
  67. #define REG_EBRACK 7
  68. #define REG_EPAREN 8
  69. #define REG_EBRACE 9
  70. #define REG_BADBR 10
  71. #define REG_ERANGE 11
  72. #define REG_ESPACE 12
  73. #define REG_BADRPT 13
  74. #define REG_EMPTY 14
  75. #define REG_ASSERT 15
  76. #define REG_INVARG 16
  77. #define REG_ATOI 255 /* convert name to number (!) */
  78. #define REG_ITOA 0400 /* convert number to name (!) */
  79. /* regexec() flags */
  80. #define REG_NOTBOL 00001
  81. #define REG_NOTEOL 00002
  82. #define REG_STARTEND 00004
  83. #define REG_TRACE 00400 /* tracing of execution */
  84. #define REG_LARGE 01000 /* force large representation */
  85. #define REG_BACKR 02000 /* force use of backref code */
  86. __BEGIN_DECLS
  87. int regcomp(regex_t *__restrict, const char *__restrict, int);
  88. size_t regerror(int, const regex_t *__restrict, char *__restrict, size_t);
  89. int regexec(const regex_t *__restrict, const char *__restrict,
  90. size_t, regmatch_t [__restrict], int);
  91. void regfree(regex_t *);
  92. __END_DECLS
  93. #endif /* !_REGEX_H_ */