include/bm.h

   1 /*      $OpenBSD: bm.h,v 1.9 2012/12/05 23:19:57 deraadt Exp $  */
   2 /*      $NetBSD: bm.h,v 1.3 1994/10/26 00:55:46 cgd Exp $       */
   3
   4 /*-
   5  * Copyright (c) 1994
   6  *      The Regents of the University of California.  All rights reserved.
   7  *
   8  * This code is derived from software contributed to Berkeley by
   9  * Andrew Hume of AT&T Bell Laboratories.
  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  *      @(#)bm.h        8.6 (Berkeley) 6/21/94
  36  */
  37
  38 #ifndef _BM_H_
  39 #define _BM_H_
  40
  41 typedef struct {
  42         unsigned char   *pat;           /* pattern */
  43         size_t           patlen;        /* pattern length */
  44         size_t          *delta;         /* skip delta */
  45         int             rarec;          /* rare character */
  46         size_t          rareoff;        /* rare offset */
  47         size_t          md2;            /* mini delta */
  48 } bm_pat;
  49
  50 __BEGIN_DECLS
  51 bm_pat          *bm_comp(unsigned char const *, size_t, unsigned char const *);
  52 unsigned char   *bm_exec(bm_pat *, unsigned char *, size_t)
  53                     __attribute__ ((__bounded__(__string__,2,3)));
  54 void             bm_free(bm_pat *);
  55 __END_DECLS
  56
  57 #endif /* !_BM_H_ */