NetBSD/external/bsd/less/dist/pattern.h

84 lines
1.9 KiB
C

/* $NetBSD: pattern.h,v 1.5 2023/10/06 05:49:49 simonb Exp $ */
/*
* Copyright (C) 1984-2023 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 SET_NULL_PATTERN(name) name = NULL
#endif
/* ---- POSIX ---- */
#if HAVE_POSIX_REGCOMP
#include <regex.h>
#ifdef REG_EXTENDED
extern int more_mode;
#define REGCOMP_FLAG (more_mode ? 0 : REG_EXTENDED)
#else
#define REGCOMP_FLAG 0
#endif
#define PATTERN_TYPE regex_t *
#define SET_NULL_PATTERN(name) name = NULL
#define re_handles_caseless TRUE
#endif
/* ---- PCRE ---- */
#if HAVE_PCRE
#include <pcre.h>
#define PATTERN_TYPE pcre *
#define SET_NULL_PATTERN(name) name = NULL
#define re_handles_caseless TRUE
#endif
/* ---- PCRE2 ---- */
#if HAVE_PCRE2
#define PCRE2_CODE_UNIT_WIDTH 8
#include <pcre2.h>
#define PATTERN_TYPE pcre2_code *
#define SET_NULL_PATTERN(name) name = NULL
#define re_handles_caseless TRUE
#endif
/* ---- RE_COMP ---- */
#if HAVE_RE_COMP
char *re_comp(char*);
int re_exec(char*);
#define PATTERN_TYPE int
#define SET_NULL_PATTERN(name) name = 0
#endif
/* ---- REGCMP ---- */
#if HAVE_REGCMP
char *regcmp(char*);
char *regex(char**, char*);
extern char *__loc1;
#define PATTERN_TYPE char **
#define SET_NULL_PATTERN(name) name = NULL
#endif
/* ---- REGCOMP ---- */
#if HAVE_V8_REGCOMP
#include "regexp.h"
extern int reg_show_error;
#define PATTERN_TYPE struct regexp *
#define SET_NULL_PATTERN(name) name = NULL
#endif
/* ---- NONE ---- */
#if NO_REGEX
#define PATTERN_TYPE void *
#define SET_NULL_PATTERN(name)
#endif
#ifndef re_handles_caseless
#define re_handles_caseless FALSE
#endif