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/*
** $Id: ltests.h,v 2.12 2005/03/18 18:55:45 roberto Exp roberto $
** Internal Header for Debugging of the Lua Implementation
** See Copyright Notice in lua.h
*/

#ifndef ltests_h
#define ltests_h


#include <stdlib.h>


#define LUA_DEBUG

#undef NDEBUG
#include <assert.h>
#undef lua_assert
#define lua_assert(c)           assert(c)


/* to avoid warnings, and to make sure value is really unused */
#define UNUSED(x)       (x=0, (void)(x))


/* memory allocator control variables */
typedef struct Memcontrol {
  unsigned long numblocks;
  unsigned long total;
  unsigned long maxmem;
  unsigned long memlimit;
} Memcontrol;

extern Memcontrol memcontrol;


/*
** generic variable for debug tricks
*/
extern int Trick;


void *debug_realloc (void *ud, void *block, size_t osize, size_t nsize);

#ifdef lua_c
#define luaL_newstate()	lua_newstate(debug_realloc, &memcontrol)
#endif


int lua_checkmemory (lua_State *L);


/* test for lock/unlock */
#undef luai_userstateopen
#undef lua_lock
#undef lua_unlock
#undef LUAI_EXTRASPACE

extern int islocked;
#define LUAI_EXTRASPACE		sizeof(double)
#define getlock(l)	(*(cast(int **, l) - 1))
#define luai_userstateopen(l)	getlock(l) = &islocked;
#define lua_lock(l)     lua_assert((*getlock(l))++ == 0)
#define lua_unlock(l)   lua_assert(--(*getlock(l)) == 0)


int luaB_opentests (lua_State *L);

#ifdef lua_c
#define luaL_openlibs(L)	{ (luaL_openlibs)(L); luaB_opentests(L); }
#endif



/* real main will be defined at `ltests.c' */
int l_main (int argc, char *argv[]);
#define main	l_main



/* change some sizes to give some bugs a chance */

#undef LUAL_BUFFERSIZE
#define LUAL_BUFFERSIZE		27
#define MINSTRTABSIZE		2

#endif