/* 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; }