The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/include/regex.h

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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  * 3. All advertising materials mentioning features or use of this software
   18  *    must display the following acknowledgement:
   19  *      This product includes software developed by the University of
   20  *      California, Berkeley and its contributors.
   21  * 4. Neither the name of the University nor the names of its contributors
   22  *    may be used to endorse or promote products derived from this software
   23  *    without specific prior written permission.
   24  *
   25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   35  * SUCH DAMAGE.
   36  *
   37  *      @(#)regex.h     8.2 (Berkeley) 1/3/94
   38  */
   39 
   40 #ifndef _REGEX_H_
   41 #define _REGEX_H_
   42 
   43 #ifndef _TYPES_H
   44 #include <sys/types.h>
   45 #endif
   46 
   47 /* types */
   48 typedef off_t regoff_t;
   49 
   50 typedef struct {
   51         int re_magic;
   52         size_t re_nsub;         /* number of parenthesized subexpressions */
   53         const char *re_endp;    /* end pointer for REG_PEND */
   54         struct re_guts *re_g;   /* none of your business :-) */
   55 } regex_t;
   56 
   57 typedef struct {
   58         regoff_t rm_so;         /* start of match */
   59         regoff_t rm_eo;         /* end of match */
   60 } regmatch_t;
   61 
   62 /* regcomp() flags */
   63 #define REG_BASIC       0000
   64 #define REG_EXTENDED    0001
   65 #define REG_ICASE       0002
   66 #define REG_NOSUB       0004
   67 #define REG_NEWLINE     0010
   68 #define REG_NOSPEC      0020
   69 #define REG_PEND        0040
   70 #define REG_DUMP        0200
   71 
   72 /* regerror() flags */
   73 #define REG_NOMATCH      1
   74 #define REG_BADPAT       2
   75 #define REG_ECOLLATE     3
   76 #define REG_ECTYPE       4
   77 #define REG_EESCAPE      5
   78 #define REG_ESUBREG      6
   79 #define REG_EBRACK       7
   80 #define REG_EPAREN       8
   81 #define REG_EBRACE       9
   82 #define REG_BADBR       10
   83 #define REG_ERANGE      11
   84 #define REG_ESPACE      12
   85 #define REG_BADRPT      13
   86 #define REG_EMPTY       14
   87 #define REG_ASSERT      15
   88 #define REG_INVARG      16
   89 #define REG_ATOI        255     /* convert name to number (!) */
   90 #define REG_ITOA        0400    /* convert number to name (!) */
   91 
   92 /* regexec() flags */
   93 #define REG_NOTBOL      00001
   94 #define REG_NOTEOL      00002
   95 #define REG_STARTEND    00004
   96 #define REG_TRACE       00400   /* tracing of execution */
   97 #define REG_LARGE       01000   /* force large representation */
   98 #define REG_BACKR       02000   /* force use of backref code */
   99 
  100 int regcomp(regex_t *, const char *, int);
  101 size_t regerror(int, const regex_t *, char *, size_t);
  102 int regexec(const regex_t *, const char *, size_t, regmatch_t [], int);
  103 void regfree(regex_t *);
  104 
  105 #endif /* !_REGEX_H_ */

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