65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/* Copyright (C) 1991, 1993 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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#include <stddef.h>
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#include <signal.h>
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#include <stdio.h>
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#include <errno.h>
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/* Open a new stream that is a one-way pipe to a
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child process running the given shell command. */
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FILE *
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DEFUN(popen, (command, mode), CONST char *command AND CONST char *mode)
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{
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if (command == NULL || mode == NULL || (*mode != 'r' && *mode != 'w'))
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{
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errno = EINVAL;
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return NULL;
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}
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errno = ENOSYS;
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return NULL;
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}
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/* Close a stream opened by popen and return its status.
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Returns -1 if the stream was not opened by popen. */
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int
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DEFUN(pclose, (stream), register FILE *stream)
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{
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if (!__validfp (stream) || !stream->__ispipe)
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{
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errno = EINVAL;
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return -1;
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}
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errno = ENOSYS;
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return -1;
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}
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#ifdef HAVE_GNU_LD
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#include <gnu-stabs.h>
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stub_warning(popen);
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stub_warning(pclose);
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#endif /* GNU stabs. */
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