1f0be0a1fSXin LI /* 2*95270f73SXin LI * Copyright (C) 1984-2022 Mark Nudelman 3f0be0a1fSXin LI * 4f0be0a1fSXin LI * You may distribute under the terms of either the GNU General Public 5f0be0a1fSXin LI * License or the Less License, as specified in the README file. 6f0be0a1fSXin LI * 796e55cc7SXin LI * For more information, see the README file. 8f0be0a1fSXin LI */ 9f0be0a1fSXin LI 1096e55cc7SXin LI #if HAVE_GNU_REGEX 1196e55cc7SXin LI #define __USE_GNU 1 1296e55cc7SXin LI #include <regex.h> 13f6b74a7dSXin LI #define PATTERN_TYPE struct re_pattern_buffer * 142235c7feSXin LI #define SET_NULL_PATTERN(name) name = NULL 1596e55cc7SXin LI #endif 1696e55cc7SXin LI 17*95270f73SXin LI /* ---- POSIX ---- */ 18f0be0a1fSXin LI #if HAVE_POSIX_REGCOMP 19f0be0a1fSXin LI #include <regex.h> 20f0be0a1fSXin LI #ifdef REG_EXTENDED 21f0be0a1fSXin LI extern int less_is_more; 22f0be0a1fSXin LI #define REGCOMP_FLAG (less_is_more ? 0 : REG_EXTENDED) 23f0be0a1fSXin LI #else 24f0be0a1fSXin LI #define REGCOMP_FLAG 0 25f0be0a1fSXin LI #endif 26f6b74a7dSXin LI #define PATTERN_TYPE regex_t * 272235c7feSXin LI #define SET_NULL_PATTERN(name) name = NULL 28*95270f73SXin LI #define re_handles_caseless TRUE 29f0be0a1fSXin LI #endif 30f0be0a1fSXin LI 31*95270f73SXin LI /* ---- PCRE ---- */ 32f0be0a1fSXin LI #if HAVE_PCRE 33f0be0a1fSXin LI #include <pcre.h> 34f6b74a7dSXin LI #define PATTERN_TYPE pcre * 352235c7feSXin LI #define SET_NULL_PATTERN(name) name = NULL 36*95270f73SXin LI #define re_handles_caseless TRUE 37f0be0a1fSXin LI #endif 38f0be0a1fSXin LI 39*95270f73SXin LI /* ---- PCRE2 ---- */ 40b7780dbeSXin LI #if HAVE_PCRE2 41b7780dbeSXin LI #define PCRE2_CODE_UNIT_WIDTH 8 42b7780dbeSXin LI #include <pcre2.h> 43b7780dbeSXin LI #define PATTERN_TYPE pcre2_code * 442235c7feSXin LI #define SET_NULL_PATTERN(name) name = NULL 45*95270f73SXin LI #define re_handles_caseless TRUE 46b7780dbeSXin LI #endif 47b7780dbeSXin LI 48*95270f73SXin LI /* ---- RE_COMP ---- */ 49f0be0a1fSXin LI #if HAVE_RE_COMP 50b2ea2440SXin LI char *re_comp LESSPARAMS ((char*)); 51b2ea2440SXin LI int re_exec LESSPARAMS ((char*)); 52f6b74a7dSXin LI #define PATTERN_TYPE int 532235c7feSXin LI #define SET_NULL_PATTERN(name) name = 0 54f0be0a1fSXin LI #endif 55f0be0a1fSXin LI 56*95270f73SXin LI /* ---- REGCMP ---- */ 57f0be0a1fSXin LI #if HAVE_REGCMP 58b2ea2440SXin LI char *regcmp LESSPARAMS ((char*)); 59b2ea2440SXin LI char *regex LESSPARAMS ((char**, char*)); 60f0be0a1fSXin LI extern char *__loc1; 61f6b74a7dSXin LI #define PATTERN_TYPE char ** 622235c7feSXin LI #define SET_NULL_PATTERN(name) name = NULL 63f0be0a1fSXin LI #endif 64f0be0a1fSXin LI 65*95270f73SXin LI /* ---- REGCOMP ---- */ 66f0be0a1fSXin LI #if HAVE_V8_REGCOMP 67f0be0a1fSXin LI #include "regexp.h" 68a15691bfSXin LI extern int reg_show_error; 69f6b74a7dSXin LI #define PATTERN_TYPE struct regexp * 702235c7feSXin LI #define SET_NULL_PATTERN(name) name = NULL 71f0be0a1fSXin LI #endif 72f0be0a1fSXin LI 73*95270f73SXin LI /* ---- NONE ---- */ 7496e55cc7SXin LI #if NO_REGEX 75f6b74a7dSXin LI #define PATTERN_TYPE void * 762235c7feSXin LI #define SET_NULL_PATTERN(name) 7796e55cc7SXin LI #endif 78*95270f73SXin LI 79*95270f73SXin LI #ifndef re_handles_caseless 80*95270f73SXin LI #define re_handles_caseless FALSE 81*95270f73SXin LI #endif 82