diff options
Diffstat (limited to 'busybox/coreutils/basename.c')
-rw-r--r-- | busybox/coreutils/basename.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/busybox/coreutils/basename.c b/busybox/coreutils/basename.c new file mode 100644 index 0000000..7b8b7b6 --- /dev/null +++ b/busybox/coreutils/basename.c @@ -0,0 +1,62 @@ +/* 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); +} |