75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
# 1 "./lua/lmem.h"
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#ifndef lmem_h
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#define lmem_h
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#include <stddef.h>
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#include "llimits.h"
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#include "lua.h"
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#define luaM_error(L) luaD_throw(L, LUA_ERRMEM)
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# 31 "./lua/lmem.h"
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#define luaM_testsize(n,e) \
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(sizeof(n) >= sizeof(size_t) && cast_sizet((n)) + 1 > MAX_SIZET/(e))
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#define luaM_checksize(L,n,e) \
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(luaM_testsize(n,e) ? luaM_toobig(L) : cast_void(0))
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# 44 "./lua/lmem.h"
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#define luaM_limitN(n,t) \
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((cast_sizet(n) <= MAX_SIZET/sizeof(t)) ? (n) : \
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cast_uint((MAX_SIZET/sizeof(t))))
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#define luaM_reallocvchar(L,b,on,n) \
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cast_charp(luaM_saferealloc_(L, (b), (on)*sizeof(char), (n)*sizeof(char)))
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#define luaM_freemem(L,b,s) luaM_free_(L, (b), (s))
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#define luaM_free(L,b) luaM_free_(L, (b), sizeof(*(b)))
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#define luaM_freearray(L,b,n) luaM_free_(L, (b), (n)*sizeof(*(b)))
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#define luaM_new(L,t) cast(t*, luaM_malloc_(L, sizeof(t), 0))
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#define luaM_newvector(L,n,t) cast(t*, luaM_malloc_(L, (n)*sizeof(t), 0))
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#define luaM_newvectorchecked(L,n,t) \
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(luaM_checksize(L,n,sizeof(t)), luaM_newvector(L,n,t))
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#define luaM_newobject(L,tag,s) luaM_malloc_(L, (s), tag)
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#define luaM_growvector(L,v,nelems,size,t,limit,e) \
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((v)=cast(t *, luaM_growaux_(L,v,nelems,&(size),sizeof(t), \
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luaM_limitN(limit,t),e)))
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#define luaM_reallocvector(L,v,oldn,n,t) \
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(cast(t *, luaM_realloc_(L, v, cast_sizet(oldn) * sizeof(t), \
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cast_sizet(n) * sizeof(t))))
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#define luaM_shrinkvector(L,v,size,fs,t) \
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((v)=cast(t *, luaM_shrinkvector_(L, v, &(size), fs, sizeof(t))))
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LUAI_FUNC l_noret luaM_toobig (lua_State *L);
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LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
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size_t size);
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LUAI_FUNC void *luaM_saferealloc_ (lua_State *L, void *block, size_t oldsize,
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size_t size);
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LUAI_FUNC void luaM_free_ (lua_State *L, void *block, size_t osize);
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LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int nelems,
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int *size, int size_elem, int limit,
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const char *what);
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LUAI_FUNC void *luaM_shrinkvector_ (lua_State *L, void *block, int *nelem,
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int final_n, int size_elem);
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LUAI_FUNC void *luaM_malloc_ (lua_State *L, size_t size, int tag);
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#endif
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