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author | Jeff Johnston <jjohnstn@redhat.com> | 2008-12-17 23:08:09 +0000 |
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committer | Jeff Johnston <jjohnstn@redhat.com> | 2008-12-17 23:08:09 +0000 |
commit | d78a82f9397054b7c6b41623e0b7d6a527870b19 (patch) | |
tree | 38b5724537068738e96af59c032128d7277d8c4b /libgloss/lm32/isatty.c | |
parent | b7d584e643f49aa9505eee6c82689dbba7a188c7 (diff) | |
download | cygnal-d78a82f9397054b7c6b41623e0b7d6a527870b19.tar.gz cygnal-d78a82f9397054b7c6b41623e0b7d6a527870b19.tar.bz2 cygnal-d78a82f9397054b7c6b41623e0b7d6a527870b19.zip |
2008-12-17 Jon Beniston <jon@beniston.com>
* README: Add description of lm32 directory.
* configure.in: Add lm32 target.
* configure: Regenerated.
* libnosys/configure.in: Add lm32 target.
* libnosys/configure: Regenerated.
* lm32: New directory.
* lm32/aclocal.m4: New file.
* lm32/Makefile.in: New file.
* lm32/configure.in: New file.
* lm32/configure: New file.
* lm32/crt0.S: New file.
* lm32/isatty.c: New file.
* lm32/scall.S: New file.
* lm32/sim.ld: New file.
Diffstat (limited to 'libgloss/lm32/isatty.c')
-rw-r--r-- | libgloss/lm32/isatty.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/libgloss/lm32/isatty.c b/libgloss/lm32/isatty.c new file mode 100644 index 000000000..69833fa07 --- /dev/null +++ b/libgloss/lm32/isatty.c @@ -0,0 +1,43 @@ +/* + * Lattice Mico32 implementation of isatty system call. + * Contributed by Jon Beniston <jon@beniston.com> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "glue.h" + +/* + * isatty -- returns 1 if connected to a terminal device, + * returns 0 if not. + * stdin, stdout and sterrr are assumed to be serial ports, + * other files are not. + */ +int +_DEFUN (_isatty, (fd), + int fd) +{ + if ((fd == 0) || (fd == 1) || (fd == 2)) + return 1; + else + return 0; +} |