mirror of
https://github.com/lua/lua.git
synced 2024-12-01 06:03:25 +08:00
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/*
|
|
** $Id: lmem.h,v 1.24 2001/09/07 17:30:16 roberto Exp $
|
|
** Interface to Memory Manager
|
|
** See Copyright Notice in lua.h
|
|
*/
|
|
|
|
#ifndef lmem_h
|
|
#define lmem_h
|
|
|
|
|
|
#include <stddef.h>
|
|
|
|
#include "llimits.h"
|
|
#include "lua.h"
|
|
|
|
void *luaM_realloc (lua_State *L, void *oldblock, lu_mem oldsize, lu_mem size);
|
|
|
|
void *luaM_growaux (lua_State *L, void *block, int *size, int size_elem,
|
|
int limit, const char *errormsg);
|
|
|
|
#define luaM_free(L, b, s) luaM_realloc(L, (b), (s), 0)
|
|
#define luaM_freelem(L, b) luaM_realloc(L, (b), sizeof(*(b)), 0)
|
|
#define luaM_freearray(L, b, n, t) luaM_realloc(L, (b), \
|
|
cast(lu_mem, n)*cast(lu_mem, sizeof(t)), 0)
|
|
|
|
#define luaM_malloc(L, t) luaM_realloc(L, NULL, 0, (t))
|
|
#define luaM_new(L, t) cast(t *, luaM_malloc(L, sizeof(t)))
|
|
#define luaM_newvector(L, n,t) cast(t *, luaM_malloc(L, \
|
|
cast(lu_mem, n)*cast(lu_mem, sizeof(t))))
|
|
|
|
#define luaM_growvector(L,v,nelems,size,t,limit,e) \
|
|
if (((nelems)+1) > (size)) \
|
|
((v)=cast(t *, luaM_growaux(L,v,&(size),sizeof(t),limit,e)))
|
|
|
|
#define luaM_reallocvector(L, v,oldn,n,t) \
|
|
((v)=cast(t *, luaM_realloc(L, v,cast(lu_mem, oldn)*cast(lu_mem, sizeof(t)), \
|
|
cast(lu_mem, n)*cast(lu_mem, sizeof(t)))))
|
|
|
|
|
|
#endif
|
|
|