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/* vi: set sw=4 ts=4: */
/*
* wfopen_input implementation for busybox
*
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* A number of applets need to open a file for reading, where the filename
* is a command line arg. Since often that arg is '-' (meaning stdin),
* we avoid testing everywhere by consolidating things in this routine.
*
* Note: We also consider "" to main stdin (for 'cmp' at least).
*/
#include <stdio.h>
#include <sys/stat.h>
#include <libbb.h>
FILE *bb_wfopen_input(const char *filename)
{
FILE *fp = stdin;
if ((filename != bb_msg_standard_input)
&& filename[0] && ((filename[0] != '-') || filename[1])
) {
#if 0
/* This check shouldn't be necessary for linux, but is left
* here disabled just in case. */
struct stat stat_buf;
if (is_directory(filename, 1, &stat_buf)) {
bb_error_msg("%s: Is a directory", filename);
return NULL;
}
#endif
fp = bb_wfopen(filename, "r");
}
return fp;
}
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