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bug: file:close cannot be called without a file.

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This commit is contained in:
Roberto Ierusalimschy 2003-07-07 10:32:52 -03:00
parent 9e05503ffa
commit 0ec4c473df
1 changed files with 2 additions and 2 deletions
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4
liolib.c
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@ -1,5 +1,5 @@
/*
** $Id: liolib.c,v 2.42 2003/05/14 19:03:43 roberto Exp roberto $
** $Id: liolib.c,v 2.43 2003/05/14 21:01:53 roberto Exp roberto $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@ -137,7 +137,7 @@ static int aux_close (lua_State *L) {
static int io_close (lua_State *L) {
if (lua_isnone(L, 1))
if (lua_isnone(L, 1) && lua_type(L, lua_upvalueindex(1)) == LUA_TTABLE)
lua_rawgeti(L, lua_upvalueindex(1), IO_OUTPUT);
return pushresult(L, aux_close(L), NULL);
}