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many details + code redistribution

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This commit is contained in:
Roberto Ierusalimschy
1999-12-14 16:33:29 -02:00
parent e6d56cd2d8
commit 1b15206cf9
13 changed files with 170 additions and 529 deletions
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6
lmem.c
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@@ -1,5 +1,5 @@
/*
** $Id: lmem.c,v 1.20 1999/11/22 13:12:07 roberto Exp roberto $
** $Id: lmem.c,v 1.21 1999/11/29 16:38:48 roberto Exp roberto $
** Interface to Memory Manager
** See Copyright Notice in lua.h
*/
@@ -31,10 +31,10 @@ void *luaM_growaux (lua_State *L, void *block, unsigned long nelems,
int inc, int size, const char *errormsg, unsigned long limit) {
unsigned long newn = nelems+inc;
if (newn >= limit) lua_error(L, errormsg);
if ((newn ^ nelems) <= nelems || /* still the same power of 2 limit? */
if ((newn ^ nelems) <= nelems || /* still the same power-of-2 limit? */
(nelems > 0 && newn < MINPOWER2)) /* or block already is MINPOWER2? */
return block; /* do not need to reallocate */
else /* it crossed a power of 2 boundary; grow to next power */
else /* it crossed a power-of-2 boundary; grow to next power */
return luaM_realloc(L, block, luaO_power2(newn)*size);
}