# 1 "./lua/lmem.h"






#ifndef lmem_h
#define lmem_h 


#include <stddef.h>

#include "llimits.h"
#include "lua.h"


#define luaM_error(L) luaD_throw(L, LUA_ERRMEM)
# 31 "./lua/lmem.h"
#define luaM_testsize(n,e) \
 (sizeof(n) >= sizeof(size_t) && cast_sizet((n)) + 1 > MAX_SIZET/(e))

#define luaM_checksize(L,n,e) \
 (luaM_testsize(n,e) ? luaM_toobig(L) : cast_void(0))
# 44 "./lua/lmem.h"
#define luaM_limitN(n,t) \
  ((cast_sizet(n) <= MAX_SIZET/sizeof(t)) ? (n) : \
     cast_uint((MAX_SIZET/sizeof(t))))





#define luaM_reallocvchar(L,b,on,n) \
  cast_charp(luaM_saferealloc_(L, (b), (on)*sizeof(char), (n)*sizeof(char)))

#define luaM_freemem(L,b,s) luaM_free_(L, (b), (s))
#define luaM_free(L,b) luaM_free_(L, (b), sizeof(*(b)))
#define luaM_freearray(L,b,n) luaM_free_(L, (b), (n)*sizeof(*(b)))

#define luaM_new(L,t) cast(t*, luaM_malloc_(L, sizeof(t), 0))
#define luaM_newvector(L,n,t) cast(t*, luaM_malloc_(L, (n)*sizeof(t), 0))
#define luaM_newvectorchecked(L,n,t) \
  (luaM_checksize(L,n,sizeof(t)), luaM_newvector(L,n,t))

#define luaM_newobject(L,tag,s) luaM_malloc_(L, (s), tag)

#define luaM_growvector(L,v,nelems,size,t,limit,e) \
 ((v)=cast(t *, luaM_growaux_(L,v,nelems,&(size),sizeof(t), \
                         luaM_limitN(limit,t),e)))

#define luaM_reallocvector(L,v,oldn,n,t) \
   (cast(t *, luaM_realloc_(L, v, cast_sizet(oldn) * sizeof(t), \
                                  cast_sizet(n) * sizeof(t))))

#define luaM_shrinkvector(L,v,size,fs,t) \
   ((v)=cast(t *, luaM_shrinkvector_(L, v, &(size), fs, sizeof(t))))

LUAI_FUNC l_noret luaM_toobig (lua_State *L);


LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
                                                          size_t size);
LUAI_FUNC void *luaM_saferealloc_ (lua_State *L, void *block, size_t oldsize,
                                                              size_t size);
LUAI_FUNC void luaM_free_ (lua_State *L, void *block, size_t osize);
LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int nelems,
                               int *size, int size_elem, int limit,
                               const char *what);
LUAI_FUNC void *luaM_shrinkvector_ (lua_State *L, void *block, int *nelem,
                                    int final_n, int size_elem);
LUAI_FUNC void *luaM_malloc_ (lua_State *L, size_t size, int tag);

#endif