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sortix--sortix/libc/stdio/fpipe.cpp

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2012-09-28 18:36:46 -04:00
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2012.
This file is part of the Sortix C Library.
The Sortix C Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
The Sortix C Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
stdio/fpipe.cpp
Provides pipe(2) through the FILE interface.
*******************************************************************************/
#include <stdio.h>
#include <unistd.h>
extern "C" int fpipe(FILE* pipes[2])
{
int pipefd[2];
if ( pipe(pipefd) ) { return -1; }
pipes[0] = fdopen(pipefd[0], "r");
if ( !pipes[0] ) { close(pipefd[0]); close(pipefd[1]); return -1; }
pipes[1] = fdopen(pipefd[1], "w");
if ( !pipes[1] ) { fclose(pipes[0]); close(pipefd[1]); return -1; }
return 0;
}