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-rw-r--r--busybox/coreutils/basename.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/busybox/coreutils/basename.c b/busybox/coreutils/basename.c
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+++ b/busybox/coreutils/basename.c
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+/* 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);
+}