regex.h

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00001 /*-
00002  * Copyright (c) 1992 Henry Spencer.
00003  * Copyright (c) 1992, 1993
00004  *      The Regents of the University of California.  All rights reserved.
00005  *
00006  * This code is derived from software contributed to Berkeley by
00007  * Henry Spencer of the University of Toronto.
00008  *
00009  * Redistribution and use in source and binary forms, with or without
00010  * modification, are permitted provided that the following conditions
00011  * are met:
00012  * 1. Redistributions of source code must retain the above copyright
00013  *    notice, this list of conditions and the following disclaimer.
00014  * 2. Redistributions in binary form must reproduce the above copyright
00015  *    notice, this list of conditions and the following disclaimer in the
00016  *    documentation and/or other materials provided with the distribution.
00017  * 3. All advertising materials mentioning features or use of this software
00018  *    must display the following acknowledgement:
00019  *      This product includes software developed by the University of
00020  *      California, Berkeley and its contributors.
00021  * 4. Neither the name of the University nor the names of its contributors
00022  *    may be used to endorse or promote products derived from this software
00023  *    without specific prior written permission.
00024  *
00025  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
00026  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00027  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00028  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
00029  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00030  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00031  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00032  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00033  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00034  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00035  * SUCH DAMAGE.
00036  *
00037  *      @(#)regex.h     8.2 (Berkeley) 1/3/94
00038  * $FreeBSD: src/include/regex.h,v 1.11 2004/07/12 06:07:26 tjr Exp $
00039  */
00040 
00041 #ifndef _REGEX_H_
00042 #define _REGEX_H_
00043 
00044 #include <sys/cdefs.h>
00045 #include <sys/_types.h>
00046 
00047 /* types */
00048 typedef __off_t         regoff_t;
00049 
00050 #ifndef _SIZE_T_DECLARED
00051 typedef __size_t        size_t;
00052 #define _SIZE_T_DECLARED
00053 #endif
00054 
00055 typedef struct {
00056         int re_magic;
00057         size_t re_nsub;         /* number of parenthesized subexpressions */
00058         __const char *re_endp;  /* end pointer for REG_PEND */
00059         struct re_guts *re_g;   /* none of your business :-) */
00060 } regex_t;
00061 
00062 typedef struct {
00063         regoff_t rm_so;         /* start of match */
00064         regoff_t rm_eo;         /* end of match */
00065 } regmatch_t;
00066 
00067 /* regcomp() flags */
00068 #define REG_BASIC       0000
00069 #define REG_EXTENDED    0001
00070 #define REG_ICASE       0002
00071 #define REG_NOSUB       0004
00072 #define REG_NEWLINE     0010
00073 #define REG_NOSPEC      0020
00074 #define REG_PEND        0040
00075 #define REG_DUMP        0200
00076 
00077 /* regerror() flags */
00078 #define REG_ENOSYS      (-1)
00079 #define REG_NOMATCH      1
00080 #define REG_BADPAT       2
00081 #define REG_ECOLLATE     3
00082 #define REG_ECTYPE       4
00083 #define REG_EESCAPE      5
00084 #define REG_ESUBREG      6
00085 #define REG_EBRACK       7
00086 #define REG_EPAREN       8
00087 #define REG_EBRACE       9
00088 #define REG_BADBR       10
00089 #define REG_ERANGE      11
00090 #define REG_ESPACE      12
00091 #define REG_BADRPT      13
00092 #define REG_EMPTY       14
00093 #define REG_ASSERT      15
00094 #define REG_INVARG      16
00095 #define REG_ILLSEQ      17
00096 #define REG_ATOI        255     /* convert name to number (!) */
00097 #define REG_ITOA        0400    /* convert number to name (!) */
00098 
00099 /* regexec() flags */
00100 #define REG_NOTBOL      00001
00101 #define REG_NOTEOL      00002
00102 #define REG_STARTEND    00004
00103 #define REG_TRACE       00400   /* tracing of execution */
00104 #define REG_LARGE       01000   /* force large representation */
00105 #define REG_BACKR       02000   /* force use of backref code */
00106 
00107 __BEGIN_DECLS
00108 IMPORT_C int    regcomp(regex_t * __restrict, const char * __restrict, int);
00109 IMPORT_C size_t regerror(int, const regex_t * __restrict, char * __restrict, size_t);
00110 /*
00111  * XXX forth parameter should be `regmatch_t [__restrict]', but isn't because
00112  * of a bug in GCC 3.2 (when -std=c99 is specified) which perceives this as a
00113  * syntax error.
00114  */
00115 IMPORT_C int    regexec(const regex_t * __restrict, const char * __restrict, size_t,
00116             regmatch_t * __restrict, int);
00117 IMPORT_C void   regfree(regex_t *);
00118 __END_DECLS
00119 
00120 #endif /* !_REGEX_H_ */

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