lmem.h File Reference

#include <stddef.h>
#include "llimits.h"
#include "lua.h"

Go to the source code of this file.

Defines
#define	MEMERRMSG   "not enough memory"
#define	luaM_reallocv(L, b, on, n, e)
#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)
#define	luaM_reallocvector(L, v, oldn, n, t)   ((v)=cast(t *, luaM_reallocv(L, v, oldn, n, sizeof(t))))
Functions
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)

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Define Documentation

#define luaM_free	(	L,
		b		)	luaM_realloc_(L, (b), sizeof(*(b)), 0)

Definition at line 25 of file lmem.h.

Referenced by luaF_freeproto(), luaF_freeupval(), and luaH_free().

#define luaM_freearray	(	L,
		b,
		n,
		t		)	luaM_reallocv(L, (b), n, 0, sizeof(t))

Definition at line 26 of file lmem.h.

Referenced by close_state(), freestack(), luaF_freeproto(), luaH_free(), luaS_resize(), and resize().

#define luaM_freemem	(	L,
		b,
		s		)	luaM_realloc_(L, (b), (s), 0)

Definition at line 24 of file lmem.h.

Referenced by freeobj(), luaE_freethread(), and luaF_freeclosure().

#define luaM_growvector	(	L,
		v,
		nelems,
		size,
		t,
		limit,
		e		)

Value:

if ((nelems)+1 > (size)) \
            ((v)=cast(t *, luaM_growaux_(L,v,&(size),sizeof(t),limit,e)))

Definition at line 33 of file lmem.h.

Referenced by addk(), indexupvalue(), luaK_code(), pushclosure(), and registerlocalvar().

#define luaM_malloc	(	L,
		t		)	luaM_realloc_(L, NULL, 0, (t))

Definition at line 28 of file lmem.h.

Referenced by luaE_newthread(), luaF_newCclosure(), luaF_newLclosure(), luaS_newudata(), and newlstr().

#define luaM_new	(	L,
		t		)	cast(t *, luaM_malloc(L, sizeof(t)))

Definition at line 29 of file lmem.h.

Referenced by luaF_findupval(), luaF_newproto(), luaF_newupval(), and luaH_new().

#define luaM_newvector	(	L,
		n,
		t		)	cast(t *, luaM_reallocv(L, NULL, 0, n, sizeof(t)))

Definition at line 30 of file lmem.h.

Referenced by combine(), LoadCode(), LoadConstants(), LoadDebug(), luaS_resize(), setnodevector(), and stack_init().

#define luaM_reallocv	(	L,
		b,
		on,
		n,
		e		)

Value:

((cast(size_t, (n)+1) <= MAX_SIZET/(e)) ?  /* +1 to avoid warnings */ \
                luaM_realloc_(L, (b), (on)*(e), (n)*(e)) : \
                luaM_toobig(L))

Definition at line 19 of file lmem.h.

Referenced by luaM_growaux_().

#define luaM_reallocvector	(	L,
		v,
		oldn,
		n,
		t		)	((v)=cast(t *, luaM_reallocv(L, v, oldn, n, sizeof(t))))

Definition at line 37 of file lmem.h.

Referenced by close_func(), luaD_reallocCI(), luaD_reallocstack(), resize(), and setarrayvector().

#define MEMERRMSG   "not enough memory"

Definition at line 16 of file lmem.h.

Referenced by f_luaopen(), and luaD_seterrorobj().

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Function Documentation

LUAI_FUNC void* luaM_growaux_	(	lua_State *	L,
		void *	block,
		int *	size,
		size_t	size_elem,
		int	limit,
		const char *	errormsg
	)

Definition at line 46 of file lmem.cpp.

References luaG_runerror(), luaM_reallocv, and MINSIZEARRAY.

LUAI_FUNC void* luaM_realloc_	(	lua_State *	L,
		void *	block,
		size_t	oldsize,
		size_t	size
	)

Definition at line 76 of file lmem.cpp.

References global_State::frealloc, G, lua_assert, LUA_ERRMEM, luaD_throw(), NULL, global_State::totalbytes, and global_State::ud.

LUAI_FUNC void* luaM_toobig

(

lua_State *

L

)

Definition at line 66 of file lmem.cpp.

References luaG_runerror(), and NULL.

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