lmem.h File Reference

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

Include dependency graph for lmem.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Macros
#define	luaM_checksize(L, n, e)   (luaM_testsize(n,e) ? luaM_toobig(L) : cast_void(0))
#define	luaM_error(L)   luaD_throw(L, LUA_ERRMEM)
#define	luaM_free(L, b)   luaM_free_(L, (b), sizeof(*(b)))
#define	luaM_freearray(L, b, n)   luaM_free_(L, (b), (n)*sizeof(*(b)))
#define	luaM_freemem(L, b, s)   luaM_free_(L, (b), (s))
#define	luaM_growvector(L, v, nelems, size, t, limit, e)
#define	luaM_limitN(n, t)
#define	luaM_new(L, t)   cast(t*, luaM_malloc_(L, sizeof(t), 0))
#define	luaM_newobject(L, tag, s)   luaM_malloc_(L, (s), tag)
#define	luaM_newvector(L, n, t)   cast(t*, luaM_malloc_(L, (n)*sizeof(t), 0))
#define	luaM_newvectorchecked(L, n, t)   (luaM_checksize(L,n,sizeof(t)), luaM_newvector(L,n,t))
#define	luaM_reallocvchar(L, b, on, n)   cast_charp(luaM_saferealloc_(L, (b), (on)*sizeof(char), (n)*sizeof(char)))
#define	luaM_reallocvector(L, v, oldn, n, t)
#define	luaM_shrinkvector(L, v, size, fs, t)   ((v)=cast(t *, luaM_shrinkvector_(L, v, &(size), fs, sizeof(t))))
#define	luaM_testsize(n, e)   (sizeof(n) >= sizeof(size_t) && cast_sizet((n)) + 1 > MAX_SIZET/(e))

Functions
LUAI_FUNC void	luaM_free_ (lua_State *L, void *block, size_t osize)
LUAI_FUNC void *	luaM_growaux_ (lua_State *L, void *block, int nelems, int *size, int size_elem, int limit, const char *what)
LUAI_FUNC void *	luaM_malloc_ (lua_State *L, size_t size, int tag)
LUAI_FUNC void *	luaM_realloc_ (lua_State *L, void *block, size_t oldsize, size_t size)
LUAI_FUNC void *	luaM_saferealloc_ (lua_State *L, void *block, size_t oldsize, size_t size)
LUAI_FUNC void *	luaM_shrinkvector_ (lua_State *L, void *block, int *nelem, int final_n, int size_elem)
LUAI_FUNC l_noret	luaM_toobig (lua_State *L)

Macro Definition Documentation

luaM_checksize

#define luaM_checksize	(		L,
			n,
			e
	)		(luaM_testsize(n,e) ? luaM_toobig(L) : cast_void(0))

Definition at line 34 of file lmem.h.

luaM_error

#define luaM_error

(

L

)

luaD_throw(L, LUA_ERRMEM)

Definition at line 17 of file lmem.h.

luaM_free

#define luaM_free	(		L,
			b
	)		luaM_free_(L, (b), sizeof(*(b)))

Definition at line 56 of file lmem.h.

luaM_freearray

#define luaM_freearray	(		L,
			b,
			n
	)		luaM_free_(L, (b), (n)*sizeof(*(b)))

Definition at line 57 of file lmem.h.

luaM_freemem

#define luaM_freemem	(		L,
			b,
			s
	)		luaM_free_(L, (b), (s))

Definition at line 55 of file lmem.h.

luaM_growvector

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

Value:

((v)=cast(t *, luaM_growaux_(L,v,nelems,&(size),sizeof(t), \
                         luaM_limitN(limit,t),e)))

Definition at line 66 of file lmem.h.

luaM_limitN

#define luaM_limitN	(		n,
			t
	)

Value:

((cast_sizet(n) <= MAX_SIZET/sizeof(t)) ? (n) :  \
     cast_uint((MAX_SIZET/sizeof(t))))

Definition at line 44 of file lmem.h.

luaM_new

#define luaM_new	(		L,
			t
	)		cast(t*, luaM_malloc_(L, sizeof(t), 0))

Definition at line 59 of file lmem.h.

luaM_newobject

#define luaM_newobject	(		L,
			tag,
			s
	)		luaM_malloc_(L, (s), tag)

Definition at line 64 of file lmem.h.

luaM_newvector

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

Definition at line 60 of file lmem.h.

luaM_newvectorchecked

#define luaM_newvectorchecked	(		L,
			n,
			t
	)		(luaM_checksize(L,n,sizeof(t)), luaM_newvector(L,n,t))

Definition at line 61 of file lmem.h.

luaM_reallocvchar

#define luaM_reallocvchar	(		L,
			b,
			on,
			n
	)		cast_charp(luaM_saferealloc_(L, (b), (on)*sizeof(char), (n)*sizeof(char)))

Definition at line 52 of file lmem.h.

luaM_reallocvector

#define luaM_reallocvector	(		L,
			v,
			oldn,
			n,
			t
	)

Value:

(cast(t *, luaM_realloc_(L, v, cast_sizet(oldn) * sizeof(t), \
                                  cast_sizet(n) * sizeof(t))))

Definition at line 70 of file lmem.h.

luaM_shrinkvector

#define luaM_shrinkvector	(		L,
			v,
			size,
			fs,
			t
	)		((v)=cast(t *, luaM_shrinkvector_(L, v, &(size), fs, sizeof(t))))

Definition at line 74 of file lmem.h.

luaM_testsize

#define luaM_testsize	(		n,
			e
	)		(sizeof(n) >= sizeof(size_t) && cast_sizet((n)) + 1 > MAX_SIZET/(e))

Definition at line 31 of file lmem.h.

Function Documentation

luaM_free_()

LUAI_FUNC void luaM_free_	(	lua_State *	L,
		void *	block,
		size_t	osize
	)

Definition at line 132 of file lmem.c.

luaM_growaux_()

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

Definition at line 79 of file lmem.c.

luaM_malloc_()

LUAI_FUNC void* luaM_malloc_	(	lua_State *	L,
		size_t	size,
		int	tag
	)

Definition at line 187 of file lmem.c.

luaM_realloc_()

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

Definition at line 162 of file lmem.c.

luaM_saferealloc_()

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

Definition at line 178 of file lmem.c.

luaM_shrinkvector_()

LUAI_FUNC void* luaM_shrinkvector_	(	lua_State *	L,
		void *	block,
		int *	nelem,
		int	final_n,
		int	size_elem
	)

Definition at line 110 of file lmem.c.

luaM_toobig()

LUAI_FUNC l_noret luaM_toobig

(

lua_State *

L

)

Definition at line 124 of file lmem.c.