Roberto Ierusalimschy 21 years ago
parent
commit
75057dfced
  1. 9
      lapi.c

9
lapi.c

@ -1,5 +1,5 @@
/* /*
** $Id: lapi.c,v 2.10 2004/05/31 19:41:52 roberto Exp roberto $ ** $Id: lapi.c,v 2.11 2004/06/04 15:30:53 roberto Exp roberto $
** Lua API ** Lua API
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -697,10 +697,15 @@ LUA_API int lua_setfenv (lua_State *L, int idx) {
{ if (nres == LUA_MULTRET && L->top >= L->ci->top) L->ci->top = L->top; } { if (nres == LUA_MULTRET && L->top >= L->ci->top) L->ci->top = L->top; }
#define checkresults(L,na,nr) \
api_check(L, (nr) == LUA_MULTRET || (L->ci->top - L->top >= (nr) - (na)))
LUA_API void lua_call (lua_State *L, int nargs, int nresults) { LUA_API void lua_call (lua_State *L, int nargs, int nresults) {
StkId func; StkId func;
lua_lock(L); lua_lock(L);
api_checknelems(L, nargs+1); api_checknelems(L, nargs+1);
checkresults(L, nargs, nresults);
func = L->top - (nargs+1); func = L->top - (nargs+1);
luaD_call(L, func, nresults); luaD_call(L, func, nresults);
adjustresults(L, nresults); adjustresults(L, nresults);
@ -730,6 +735,8 @@ LUA_API int lua_pcall (lua_State *L, int nargs, int nresults, int errfunc) {
int status; int status;
ptrdiff_t func; ptrdiff_t func;
lua_lock(L); lua_lock(L);
api_checknelems(L, nargs+1);
checkresults(L, nargs, nresults);
if (errfunc == 0) if (errfunc == 0)
func = 0; func = 0;
else { else {

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