Source code pulled from OpenBSD for OpenNTPD. The place to contribute to this code is via the OpenBSD CVS tree.
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  1. /* $OpenBSD: regex.h,v 1.7 2012/12/05 23:19:57 deraadt Exp $ */
  2. /* $NetBSD: regex.h,v 1.4.6.1 1996/06/10 18:57:07 explorer Exp $ */
  3. /*-
  4. * Copyright (c) 1992 Henry Spencer.
  5. * Copyright (c) 1992, 1993
  6. * The Regents of the University of California. All rights reserved.
  7. *
  8. * This code is derived from software contributed to Berkeley by
  9. * Henry Spencer of the University of Toronto.
  10. *
  11. * Redistribution and use in source and binary forms, with or without
  12. * modification, are permitted provided that the following conditions
  13. * are met:
  14. * 1. Redistributions of source code must retain the above copyright
  15. * notice, this list of conditions and the following disclaimer.
  16. * 2. Redistributions in binary form must reproduce the above copyright
  17. * notice, this list of conditions and the following disclaimer in the
  18. * documentation and/or other materials provided with the distribution.
  19. * 3. Neither the name of the University nor the names of its contributors
  20. * may be used to endorse or promote products derived from this software
  21. * without specific prior written permission.
  22. *
  23. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33. * SUCH DAMAGE.
  34. *
  35. * @(#)regex.h 8.1 (Berkeley) 6/2/93
  36. */
  37. #ifndef _REGEX_H_
  38. #define _REGEX_H_
  39. #include <sys/types.h>
  40. /* types */
  41. typedef off_t regoff_t;
  42. typedef struct {
  43. int re_magic;
  44. size_t re_nsub; /* number of parenthesized subexpressions */
  45. const char *re_endp; /* end pointer for REG_PEND */
  46. struct re_guts *re_g; /* none of your business :-) */
  47. } regex_t;
  48. typedef struct {
  49. regoff_t rm_so; /* start of match */
  50. regoff_t rm_eo; /* end of match */
  51. } regmatch_t;
  52. /* regcomp() flags */
  53. #define REG_BASIC 0000
  54. #define REG_EXTENDED 0001
  55. #define REG_ICASE 0002
  56. #define REG_NOSUB 0004
  57. #define REG_NEWLINE 0010
  58. #define REG_NOSPEC 0020
  59. #define REG_PEND 0040
  60. #define REG_DUMP 0200
  61. /* regerror() flags */
  62. #define REG_NOMATCH 1
  63. #define REG_BADPAT 2
  64. #define REG_ECOLLATE 3
  65. #define REG_ECTYPE 4
  66. #define REG_EESCAPE 5
  67. #define REG_ESUBREG 6
  68. #define REG_EBRACK 7
  69. #define REG_EPAREN 8
  70. #define REG_EBRACE 9
  71. #define REG_BADBR 10
  72. #define REG_ERANGE 11
  73. #define REG_ESPACE 12
  74. #define REG_BADRPT 13
  75. #define REG_EMPTY 14
  76. #define REG_ASSERT 15
  77. #define REG_INVARG 16
  78. #define REG_ATOI 255 /* convert name to number (!) */
  79. #define REG_ITOA 0400 /* convert number to name (!) */
  80. /* regexec() flags */
  81. #define REG_NOTBOL 00001
  82. #define REG_NOTEOL 00002
  83. #define REG_STARTEND 00004
  84. #define REG_TRACE 00400 /* tracing of execution */
  85. #define REG_LARGE 01000 /* force large representation */
  86. #define REG_BACKR 02000 /* force use of backref code */
  87. __BEGIN_DECLS
  88. int regcomp(regex_t *, const char *, int);
  89. size_t regerror(int, const regex_t *, char *, size_t);
  90. int regexec(const regex_t *, const char *, size_t, regmatch_t [], int);
  91. void regfree(regex_t *);
  92. __END_DECLS
  93. #endif /* !_REGEX_H_ */