Last change
on this file since 557 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
1.0 KB
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Rev | Line | |
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[444] | 1 | /* isatty.c |
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| 2 | |
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| 3 | Copyright (c) 1994-2009 Red Hat, Inc. All rights reserved. |
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| 4 | Copyright (c) 2012 Adapteva, Inc. |
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| 5 | |
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| 6 | This copyrighted material is made available to anyone wishing to use, |
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| 7 | modify, copy, or redistribute it subject to the terms and conditions |
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| 8 | of the BSD License. This program is distributed in the hope that |
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| 9 | it will be useful, but WITHOUT ANY WARRANTY expressed or implied, |
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| 10 | including the implied warranties of MERCHANTABILITY or FITNESS FOR |
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| 11 | A PARTICULAR PURPOSE. A copy of this license is available at |
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| 12 | http://www.opensource.org/licenses. Any Red Hat trademarks that are |
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| 13 | incorporated in the source code or documentation are not subject to |
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| 14 | the BSD License and may only be used or replicated with the express |
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| 15 | permission of Red Hat, Inc. */ |
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| 16 | |
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| 17 | /* Dumb implementation so programs will at least run. */ |
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| 18 | |
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| 19 | #include <sys/stat.h> |
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| 20 | #include <errno.h> |
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| 21 | |
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| 22 | int |
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| 23 | _isatty (int fd) |
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| 24 | { |
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| 25 | struct stat buf; |
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| 26 | |
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| 27 | if (_fstat (fd, &buf) < 0) { |
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| 28 | errno = EBADF; |
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| 29 | return 0; |
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| 30 | } |
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| 31 | if (S_ISCHR (buf.st_mode)) |
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| 32 | return 1; |
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| 33 | errno = ENOTTY; |
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| 34 | return 0; |
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| 35 | } |
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