39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/* Determine if a file descriptor refers to a terminal. NaCl version.
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Copyright (C) 2015-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <unistd.h>
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#include <nacl-interfaces.h>
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/* Return 1 if FD is a terminal, 0 if not. */
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int
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__isatty (int fd)
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{
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int result;
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int error = __nacl_irt_dev_fdio.isatty (fd, &result);
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if (error == 0)
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{
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if (result)
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return 1;
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error = ENOTTY;
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}
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errno = error;
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return 0;
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}
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weak_alias (__isatty, isatty)
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