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

/*******************************************************************************

    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;
}