Lua 5.1.4: lmem.h
L0001
L0006
L0007 #ifndef lmem_h
L0008 #define lmem_h
L0009
L0010
L0011 #include <stddef.h>
L0012
L0013 #include "llimits.h"
L0014 #include "lua.h"
L0015
L0016 #define MEMERRMSG "not enough memory"
L0017
L0018
L0019 #define luaM_reallocv(L,b,on,n,e) \
L0020 ((cast(size_t, (n)+1) <= MAX_SIZET/(e)) ? /* +1 to avoid warnings */ \
L0021 luaM_realloc_(L, (b), (on)*(e), (n)*(e)) : \
L0022 luaM_toobig(L))
L0023
L0024 #define luaM_freemem(L, b, s) luaM_realloc_(L, (b), (s), 0)
L0025 #define luaM_free(L, b) luaM_realloc_(L, (b), sizeof(*(b)), 0)
L0026 #define luaM_freearray(L, b, n, t) luaM_reallocv(L, (b), n, 0, sizeof(t))
L0027
L0028 #define luaM_malloc(L,t) luaM_realloc_(L, NULL, 0, (t))
L0029 #define luaM_new(L,t) cast(t *, luaM_malloc(L, sizeof(t)))
L0030 #define luaM_newvector(L,n,t) \
L0031 cast(t *, luaM_reallocv(L, NULL, 0, n, sizeof(t)))
L0032
L0033 #define luaM_growvector(L,v,nelems,size,t,limit,e) \
L0034 if ((nelems)+1 > (size)) \
L0035 ((v)=cast(t *, luaM_growaux_(L,v,&(size),sizeof(t),limit,e)))
L0036
L0037 #define luaM_reallocvector(L, v,oldn,n,t) \
L0038 ((v)=cast(t *, luaM_reallocv(L, v, oldn, n, sizeof(t))))
L0039
L0040
L0041 LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
L0042 size_t size);
L0043 LUAI_FUNC void *luaM_toobig (lua_State *L);
L0044 LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int *size,
L0045 size_t size_elem, int limit,
L0046 const char *errormsg);
L0047
L0048 #endif
L0049
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