+
−/*
+
−** $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
+
−