mirror of https://github.com/lua/lua
new definition for 'luaD_checkstack' to avoid possible overflows
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7
ldo.h
7
ldo.h
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@ -1,5 +1,5 @@
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/*
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** $Id: ldo.h,v 2.12 2009/04/17 14:28:06 roberto Exp roberto $
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** $Id: ldo.h,v 2.13 2009/06/08 19:35:59 roberto Exp roberto $
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** Stack and Call structure of Lua
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** See Copyright Notice in lua.h
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*/
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@ -13,9 +13,8 @@
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#include "lzio.h"
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#define luaD_checkstack(L,n) \
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if ((char *)L->stack_last - (char *)L->top <= (n)*(int)sizeof(TValue)) \
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luaD_growstack(L, n); else condmovestack(L);
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#define luaD_checkstack(L,n) if (L->stack_last - L->top <= (n)) \
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luaD_growstack(L, n); else condmovestack(L);
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#define incr_top(L) {L->top++; luaD_checkstack(L,0);}
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