2007-09-17 18:54:56 +00:00
|
|
|
/*-
|
|
|
|
|
* This code is derived from OpenBSD's libc/regex, original license follows:
|
|
|
|
|
*
|
|
|
|
|
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
|
|
|
|
|
* Copyright (c) 1992, 1993, 1994
|
|
|
|
|
* The Regents of the University of California. All rights reserved.
|
|
|
|
|
*
|
|
|
|
|
* This code is derived from software contributed to Berkeley by
|
|
|
|
|
* Henry Spencer.
|
|
|
|
|
*
|
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
|
* are met:
|
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
|
|
|
* may be used to endorse or promote products derived from this software
|
|
|
|
|
* without specific prior written permission.
|
|
|
|
|
*
|
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
|
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
|
* SUCH DAMAGE.
|
|
|
|
|
*
|
|
|
|
|
* @(#)utils.h 8.3 (Berkeley) 3/20/94
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/* utility definitions */
|
2009-11-17 12:40:08 +01:00
|
|
|
#ifdef _POSIX2_RE_DUP_MAX
|
|
|
|
|
#define DUPMAX _POSIX2_RE_DUP_MAX
|
|
|
|
|
#else
|
|
|
|
|
#define DUPMAX 255
|
|
|
|
|
#endif
|
2007-09-17 18:54:56 +00:00
|
|
|
#define INFINITY (DUPMAX + 1)
|
|
|
|
|
#define NC (CHAR_MAX - CHAR_MIN + 1)
|
|
|
|
|
typedef unsigned char uch;
|
|
|
|
|
|
|
|
|
|
/* switch off assertions (if not already off) if no REDEBUG */
|
|
|
|
|
#ifdef CL_DEBUG
|
|
|
|
|
#define REDEBUG
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef REDEBUG
|
|
|
|
|
#ifndef NDEBUG
|
|
|
|
|
#define NDEBUG /* no assertions please */
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
#include <assert.h>
|
|
|
|
|
|
|
|
|
|
/* for old systems with bcopy() but no memmove() */
|
|
|
|
|
#ifdef USEBCOPY
|
|
|
|
|
#define memmove(d, s, c) bcopy(s, d, c)
|
|
|
|
|
#endif
|
