forked from osmocom/wireshark
121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
/** @file */
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/*
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License of Lrexlib release
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--------------------------
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Copyright (C) Reuben Thomas 2000-2012
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Copyright (C) Shmuel Zeigerman 2004-2012
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SPDX-License-Identifier: MIT
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*/
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#ifndef _LREXLIB_H
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#define _LREXLIB_H
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#include "lua.h"
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#define VERSION "2.7.2"
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#define LREXLIB_WIRESHARK
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#if LUA_VERSION_NUM > 501
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int luaL_typerror (lua_State *L, int narg, const char *tname);
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#endif
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/* REX_API can be overridden from the command line or Makefile */
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#ifndef REX_API
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# define REX_API LUALIB_API
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#endif
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#ifndef REX_OPENLIB
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# define REX_OPENLIB luaopen_rex_glib
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#endif
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/* public function declarations */
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REX_API int REX_OPENLIB (lua_State *L);
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extern int Gregex_get_compile_flags (lua_State *L);
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extern int Gregex_get_match_flags (lua_State *L);
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extern int Gregex_get_flags (lua_State *L);
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/* Special values for maxmatch in gsub. They all must be negative. */
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#define GSUB_UNLIMITED -1
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#define GSUB_CONDITIONAL -2
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/* Common structs and functions */
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typedef struct {
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const char* key;
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int val;
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} flag_pair;
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typedef struct { /* compile arguments */
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const char * pattern;
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size_t patlen;
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void * ud;
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int cflags;
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const char * locale; /* PCRE, Oniguruma */
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const unsigned char * tables; /* PCRE */
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int tablespos; /* PCRE */
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void * syntax; /* Oniguruma */
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const unsigned char * translate; /* GNU */
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int gnusyn; /* GNU */
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} TArgComp;
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typedef struct { /* exec arguments */
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const char * text;
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size_t textlen;
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int startoffset;
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int eflags;
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int funcpos;
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int maxmatch;
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int funcpos2; /* used with gsub */
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int reptype; /* used with gsub */
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size_t ovecsize; /* PCRE: dfa_exec */
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size_t wscount; /* PCRE: dfa_exec */
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} TArgExec;
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struct tagFreeList; /* forward declaration */
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struct tagBuffer {
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size_t size;
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size_t top;
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char * arr;
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lua_State * L;
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struct tagFreeList * freelist;
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};
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struct tagFreeList {
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struct tagBuffer * list[16];
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int top;
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};
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typedef struct tagBuffer TBuffer;
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typedef struct tagFreeList TFreeList;
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void freelist_init (TFreeList *fl);
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void freelist_add (TFreeList *fl, TBuffer *buf);
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void freelist_free (TFreeList *fl);
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void buffer_init (TBuffer *buf, size_t sz, lua_State *L, TFreeList *fl);
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void buffer_free (TBuffer *buf);
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void buffer_clear (TBuffer *buf);
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void buffer_addbuffer (TBuffer *trg, TBuffer *src);
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void buffer_addlstring (TBuffer *buf, const void *src, size_t sz);
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void buffer_addvalue (TBuffer *buf, int stackpos);
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void buffer_pushresult (TBuffer *buf);
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void bufferZ_putrepstring (TBuffer *buf, int reppos, int nsub);
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int bufferZ_next (TBuffer *buf, size_t *iter, size_t *len, const char **str);
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void bufferZ_addlstring (TBuffer *buf, const void *src, size_t len);
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void bufferZ_addnum (TBuffer *buf, size_t num);
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int get_int_field (lua_State *L, const char* field);
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void set_int_field (lua_State *L, const char* field, int val);
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int get_flags (lua_State *L, const flag_pair **arr);
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const char *get_flag_key (const flag_pair *fp, int val);
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void *Lmalloc (lua_State *L, size_t size);
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void *Lrealloc (lua_State *L, void *p, size_t osize, size_t nsize);
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void Lfree (lua_State *L, void *p, size_t size);
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#endif
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