0,0 → 1,50 |
/* |
** $Id: lmem.h,v 1.36 2010/04/08 17:16:46 roberto Exp $ |
** Interface to Memory Manager |
** See Copyright Notice in lua.h |
*/ |
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#ifndef lmem_h |
#define lmem_h |
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#include <stddef.h> |
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#include "llimits.h" |
#include "lua.h" |
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#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)) |
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#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) luaM_reallocv(L, (b), n, 0, sizeof((b)[0])) |
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#define luaM_malloc(L,s) luaM_realloc_(L, NULL, 0, (s)) |
#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))) |
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#define luaM_newobject(L,tag,s) luaM_realloc_(L, NULL, tag, (s)) |
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#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))) |
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#define luaM_reallocvector(L, v,oldn,n,t) \ |
((v)=cast(t *, luaM_reallocv(L, v, oldn, n, sizeof(t)))) |
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LUAI_FUNC void *luaM_toobig (lua_State *L); |
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/* not to be called directly */ |
LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize, |
size_t size); |
LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int *size, |
size_t size_elem, int limit, |
const char *what); |
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#endif |
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