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https://github.com/KolibriOS/kolibrios.git
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51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/*
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** $Id: lmem.h,v 1.38 2011/12/02 13:26:54 roberto Exp $
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** Interface to Memory Manager
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** See Copyright Notice in lua.h
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*/
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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_reallocv(L,b,on,n,e) \
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((cast(size_t, (n)+1) > MAX_SIZET/(e)) ? /* +1 to avoid warnings */ \
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(luaM_toobig(L), (void *)0) : \
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luaM_realloc_(L, (b), (on)*(e), (n)*(e)))
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#define luaM_freemem(L, b, s) luaM_realloc_(L, (b), (s), 0)
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#define luaM_free(L, b) luaM_realloc_(L, (b), sizeof(*(b)), 0)
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#define luaM_freearray(L, b, n) luaM_reallocv(L, (b), n, 0, sizeof((b)[0]))
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#define luaM_malloc(L,s) luaM_realloc_(L, NULL, 0, (s))
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#define luaM_new(L,t) cast(t *, luaM_malloc(L, sizeof(t)))
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#define luaM_newvector(L,n,t) \
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cast(t *, luaM_reallocv(L, NULL, 0, n, sizeof(t)))
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#define luaM_newobject(L,tag,s) luaM_realloc_(L, NULL, tag, (s))
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#define luaM_growvector(L,v,nelems,size,t,limit,e) \
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if ((nelems)+1 > (size)) \
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((v)=cast(t *, luaM_growaux_(L,v,&(size),sizeof(t),limit,e)))
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#define luaM_reallocvector(L, v,oldn,n,t) \
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((v)=cast(t *, luaM_reallocv(L, v, oldn, n, sizeof(t))))
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LUAI_FUNC l_noret luaM_toobig (lua_State *L);
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/* not to be called directly */
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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_growaux_ (lua_State *L, void *block, int *size,
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size_t size_elem, int limit,
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const char *what);
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#endif
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