freebsd-dev/contrib/less/pattern.h
Xin LI b7780dbe98 MFV r349535: less v551.
MFC after:	2 weeks
Relnotes:	yes
2019-06-29 18:41:40 +00:00

68 lines
1.5 KiB
C

/*
* Copyright (C) 1984-2019 Mark Nudelman
*
* You may distribute under the terms of either the GNU General Public
* License or the Less License, as specified in the README file.
*
* For more information, see the README file.
*/
#if HAVE_GNU_REGEX
#define __USE_GNU 1
#include <regex.h>
#define PATTERN_TYPE struct re_pattern_buffer *
#define CLEAR_PATTERN(name) name = NULL
#endif
#if HAVE_POSIX_REGCOMP
#include <regex.h>
#ifdef REG_EXTENDED
extern int less_is_more;
#define REGCOMP_FLAG (less_is_more ? 0 : REG_EXTENDED)
#else
#define REGCOMP_FLAG 0
#endif
#define PATTERN_TYPE regex_t *
#define CLEAR_PATTERN(name) name = NULL
#endif
#if HAVE_PCRE
#include <pcre.h>
#define PATTERN_TYPE pcre *
#define CLEAR_PATTERN(name) name = NULL
#endif
#if HAVE_PCRE2
#define PCRE2_CODE_UNIT_WIDTH 8
#include <pcre2.h>
#define PATTERN_TYPE pcre2_code *
#define CLEAR_PATTERN(name) name = NULL
#endif
#if HAVE_RE_COMP
char *re_comp LESSPARAMS ((char*));
int re_exec LESSPARAMS ((char*));
#define PATTERN_TYPE int
#define CLEAR_PATTERN(name) name = 0
#endif
#if HAVE_REGCMP
char *regcmp LESSPARAMS ((char*));
char *regex LESSPARAMS ((char**, char*));
extern char *__loc1;
#define PATTERN_TYPE char **
#define CLEAR_PATTERN(name) name = NULL
#endif
#if HAVE_V8_REGCOMP
#include "regexp.h"
extern int reg_show_error;
#define PATTERN_TYPE struct regexp *
#define CLEAR_PATTERN(name) name = NULL
#endif
#if NO_REGEX
#define PATTERN_TYPE void *
#define CLEAR_PATTERN(name)
#endif