Last change
on this file since 656 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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Line | |
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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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