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/* vi: set sw=4 ts=4: */
/*
* wfopen_input implementation for busybox
*
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
/* 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])
) {
fp = bb_wfopen(filename, "r");
}
return fp;
}
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