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