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| /*
| ** $Id: lmem.h,v 1.31.1.1 2007/12/27 13:02:25 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"
|
| #define MEMERRMSG "not enough memory"
|
|
| #define luaM_reallocv(L,b,on,n,e) \
| ((cast(size_t, (n)+1) <= MAX_SIZET/(e)) ? /* +1 to avoid warnings */ \
| luaM_realloc_(L, (b), (on)*(e), (n)*(e)) : \
| luaM_toobig(L))
|
| #define luaM_freemem(L, b, s) luaM_realloc_(L, (b), (s), 0)
| #define luaM_free(L, b) luaM_realloc_(L, (b), sizeof(*(b)), 0)
| #define luaM_freearray(L, b, n, t) luaM_reallocv(L, (b), n, 0, sizeof(t))
|
| #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_reallocv(L, NULL, 0, n, 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_reallocv(L, v, oldn, n, sizeof(t))))
|
|
| LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
| size_t size);
| LUAI_FUNC void *luaM_toobig (lua_State *L);
| LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int *size,
| size_t size_elem, int limit,
| const char *errormsg);
|
| #endif
|
|
