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author | Sam Thursfield <sam.thursfield@codethink.co.uk> | 2012-12-21 14:22:22 +0000 |
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committer | Sam Thursfield <Sam Thursfield> | 2013-01-03 11:32:53 +0000 |
commit | c2693d6d08db26825688ddca5de6eb8a4b7cde4a (patch) | |
tree | 10611dcf065b1893421b83a9de53cf6feb83a048 /tests/test-closein.c | |
parent | 861325a84f231a2a2da307b53ef5ff527d67e876 (diff) | |
download | m4-c2693d6d08db26825688ddca5de6eb8a4b7cde4a.tar.gz |
Commit files from tarball
Diffstat (limited to 'tests/test-closein.c')
-rw-r--r-- | tests/test-closein.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tests/test-closein.c b/tests/test-closein.c new file mode 100644 index 00000000..0c29a6b5 --- /dev/null +++ b/tests/test-closein.c @@ -0,0 +1,53 @@ +/* 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; +} |