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error when calling close method without arguments (e.g., 

|io.stdin.close()|)
This commit is contained in:
Roberto Ierusalimschy 2017-02-09 12:50:05 -02:00
parent e354c6355e
commit d266d40dea
1 changed files with 9 additions and 4 deletions
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13
liolib.c
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@ -1,5 +1,5 @@
/*
** $Id: liolib.c,v 2.150 2016/09/01 16:14:56 roberto Exp roberto $
** $Id: liolib.c,v 2.151 2016/12/20 18:37:00 roberto Exp roberto $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@ -206,11 +206,16 @@ static int aux_close (lua_State *L) {
}
static int f_close (lua_State *L) {
tofile(L); /* make sure argument is an open stream */
return aux_close(L);
}
static int io_close (lua_State *L) {
if (lua_isnone(L, 1)) /* no argument? */
lua_getfield(L, LUA_REGISTRYINDEX, IO_OUTPUT); /* use standard output */
tofile(L); /* make sure argument is an open stream */
return aux_close(L);
return f_close(L);
}
@ -712,7 +717,7 @@ static const luaL_Reg iolib[] = {
** methods for file handles
*/
static const luaL_Reg flib[] = {
{"close", io_close},
{"close", f_close},
{"flush", f_flush},
{"lines", f_lines},
{"read", f_read},