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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-01-20 10:55:18 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-01-20 10:55:18 +0000 |
commit | 70e9163c9c18e995515598085cb824e554eb7ae7 (patch) | |
tree | a42dc8b2a6c031354bf31472de888bfc8a060132 /gnulib-tests/test-yesno.c | |
parent | cbf5993c43f49281173f185863577d86bfac6eae (diff) | |
download | coreutils-tarball-master.tar.gz |
coreutils-8.25HEADcoreutils-8.25master
Diffstat (limited to 'gnulib-tests/test-yesno.c')
-rw-r--r-- | gnulib-tests/test-yesno.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gnulib-tests/test-yesno.c b/gnulib-tests/test-yesno.c new file mode 100644 index 0000000..1d8e6b9 --- /dev/null +++ b/gnulib-tests/test-yesno.c @@ -0,0 +1,65 @@ +/* Test of yesno module. + Copyright (C) 2007-2016 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, see <http://www.gnu.org/licenses/>. +*/ + +#include <config.h> + +/* Specification. */ +#include "yesno.h" + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +#include "closein.h" +#include "binary-io.h" + +char *program_name; + +/* Test yesno. Without arguments, read one line. If first argument + is zero, close stdin before attempting to read one line. + Otherwise, read the number of lines specified by first + argument. */ +int +main (int argc, char **argv) +{ + int i = 1; + program_name = argv[0]; + + /* yesno recommends that all clients use close_stdin in main. */ + atexit (close_stdin); + /* But on mingw, close_stdin leaves stdin's file descriptor at the expected + position (i.e. where this program left off reading) only if its mode has + been set to O_BINARY. If it has been set to O_TEXT, and the file + descriptor is seekable, and stdin is buffered, the MSVCRT runtime ends up + setting the file descriptor's position to the expected position _minus_ + the number of LFs not preceded by CR that were read between the expected + position and the last filled buffer end position. (I.e. the repositioning + from the end-of-buffer to the expected position does not work if the input + file contains end-of-line markers in Unix convention.) */ + SET_BINARY (0); + + if (1 < argc) + i = atoi (argv[1]); + if (!i) + { + i = 1; + close (0); + } + while (i--) + puts (yesno () ? "Y" : "N"); + return 0; +} |