39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013, 2014.
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This file is part of the Sortix C Library.
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The Sortix C Library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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The Sortix C Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
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unistd/ttyname_r.cpp
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Returns the pathname of a terminal.
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*******************************************************************************/
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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extern "C" int ttyname_r(int fd, char* path, size_t path_size)
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{
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if ( isatty(fd) < 1 )
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return -1;
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const char* result = "/dev/tty";
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size_t result_length = strlen(result);
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if ( result_length + 1 < path_size )
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return errno = ERANGE, -1;
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return strcpy(path, result), 0;
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}
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