1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/lua/lmem.h	Sat Mar 03 11:07:39 2012 -0600
     1.3 @@ -0,0 +1,49 @@
     1.4 +/*
     1.5 +** $Id: lmem.h,v 1.31.1.1 2007/12/27 13:02:25 roberto Exp $
     1.6 +** Interface to Memory Manager
     1.7 +** See Copyright Notice in lua.h
     1.8 +*/
     1.9 +
    1.10 +#ifndef lmem_h
    1.11 +#define lmem_h
    1.12 +
    1.13 +
    1.14 +#include <stddef.h>
    1.15 +
    1.16 +#include "llimits.h"
    1.17 +#include "lua.h"
    1.18 +
    1.19 +#define MEMERRMSG	"not enough memory"
    1.20 +
    1.21 +
    1.22 +#define luaM_reallocv(L,b,on,n,e) \
    1.23 +	((cast(size_t, (n)+1) <= MAX_SIZET/(e)) ?  /* +1 to avoid warnings */ \
    1.24 +		luaM_realloc_(L, (b), (on)*(e), (n)*(e)) : \
    1.25 +		luaM_toobig(L))
    1.26 +
    1.27 +#define luaM_freemem(L, b, s)	luaM_realloc_(L, (b), (s), 0)
    1.28 +#define luaM_free(L, b)		luaM_realloc_(L, (b), sizeof(*(b)), 0)
    1.29 +#define luaM_freearray(L, b, n, t)   luaM_reallocv(L, (b), n, 0, sizeof(t))
    1.30 +
    1.31 +#define luaM_malloc(L,t)	luaM_realloc_(L, NULL, 0, (t))
    1.32 +#define luaM_new(L,t)		cast(t *, luaM_malloc(L, sizeof(t)))
    1.33 +#define luaM_newvector(L,n,t) \
    1.34 +		cast(t *, luaM_reallocv(L, NULL, 0, n, sizeof(t)))
    1.35 +
    1.36 +#define luaM_growvector(L,v,nelems,size,t,limit,e) \
    1.37 +          if ((nelems)+1 > (size)) \
    1.38 +            ((v)=cast(t *, luaM_growaux_(L,v,&(size),sizeof(t),limit,e)))
    1.39 +
    1.40 +#define luaM_reallocvector(L, v,oldn,n,t) \
    1.41 +   ((v)=cast(t *, luaM_reallocv(L, v, oldn, n, sizeof(t))))
    1.42 +
    1.43 +
    1.44 +LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
    1.45 +                                                          size_t size);
    1.46 +LUAI_FUNC void *luaM_toobig (lua_State *L);
    1.47 +LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int *size,
    1.48 +                               size_t size_elem, int limit,
    1.49 +                               const char *errormsg);
    1.50 +
    1.51 +#endif
    1.52 +