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authorSam Thursfield <sam.thursfield@codethink.co.uk>2012-12-21 14:22:22 +0000
committerSam Thursfield <Sam Thursfield>2013-01-03 11:32:53 +0000
commitc2693d6d08db26825688ddca5de6eb8a4b7cde4a (patch)
tree10611dcf065b1893421b83a9de53cf6feb83a048 /tests/test-closein.c
parent861325a84f231a2a2da307b53ef5ff527d67e876 (diff)
downloadm4-c2693d6d08db26825688ddca5de6eb8a4b7cde4a.tar.gz
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+/* Test of closein module.
+ Copyright (C) 2007-2011 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* Written by Eric Blake. */
+
+#include <config.h>
+
+#include "closein.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "binary-io.h"
+#include "ignore-value.h"
+
+char *program_name;
+
+/* With no arguments, do nothing. With arguments, attempt to consume
+ first 6 bytes of stdin. In either case, let exit() take care of
+ closing std streams and changing exit status if ferror(stdin). */
+int
+main (int argc, char **argv)
+{
+ char buf[7];
+ atexit (close_stdin);
+ program_name = argv[0];
+
+ /* close_stdin currently relies on ftell, but mingw ftell is
+ unreliable on text mode input. */
+ SET_BINARY (0);
+
+ if (argc > 2)
+ close (0);
+
+ if (argc > 1)
+ ignore_value (fread (buf, 1, 6, stdin));
+ return 0;
+}