/* vi: set sw=4 ts=4: */ /* * Mini basename implementation for busybox * * Copyright (C) 1999-2004 by Erik Andersen <andersen@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 * */ /* BB_AUDIT SUSv3 compliant */ /* http://www.opengroup.org/onlinepubs/007904975/utilities/basename.html */ /* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org) * * Changes: * 1) Now checks for too many args. Need at least one and at most two. * 2) Don't check for options, as per SUSv3. * 3) Save some space by using strcmp(). Calling strncmp() here was silly. */ #include <stdlib.h> #include <stdio.h> #include <string.h> #include "busybox.h" extern int basename_main(int argc, char **argv) { size_t m, n; char *s; if (((unsigned int)(argc-2)) >= 2) { bb_show_usage(); } s = bb_get_last_path_component(*++argv); if (*++argv) { n = strlen(*argv); m = strlen(s); if ((m > n) && ((strcmp)(s+m-n, *argv) == 0)) { s[m-n] = '\0'; } } puts(s); bb_fflush_stdout_and_exit(EXIT_SUCCESS); }