X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=coreutils%2Fbasename.c;h=7b8b7b6f064f5410bc9c2525bdc8e45f553dd676;hb=47bc802e9e8942182cd3cec1b5a6c3fb62427d16;hp=78265a5e61bda1eb1252008c1f00df5df02f5f2a;hpb=330fd2b5767110f29544131d4c72c77e0506b6df;p=oweals%2Fbusybox.git

diff --git a/coreutils/basename.c b/coreutils/basename.c
index 78265a5e6..7b8b7b6f0 100644
--- a/coreutils/basename.c
+++ b/coreutils/basename.c
@@ -2,8 +2,7 @@
 /*
  * Mini basename implementation for busybox
  *
- * Copyright (C) 1999,2000 by Lineo, inc.
- * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ * 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
@@ -21,45 +20,43 @@
  *
  */
 
-#include "internal.h"
-#include <stdio.h>
+/* BB_AUDIT SUSv3 compliant */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/basename.html */
 
-const char *basename_usage="basename FILE [SUFFIX]\n"
-#ifndef BB_FEATURE_TRIVIAL_HELP
-	"\nStrips directory path and suffixes from FILE.\n"
-	"If specified, also removes any trailing SUFFIX.\n"
-#endif
-;
 
+/* 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)
 {
-	int m, n;
-	char *s, *s1;
+	size_t m, n;
+	char *s;
 
-	if ((argc < 2) || (**(argv + 1) == '-')) {
-		usage(basename_usage);
+	if (((unsigned int)(argc-2)) >= 2) {
+		bb_show_usage();
 	}
 
-	argv++;
+	s = bb_get_last_path_component(*++argv);
 
-	s1=*argv+strlen(*argv)-1;
-	while (s1 && *s1 == '/') {
-		*s1 = '\0';
-		s1--;
-	}
-	s = strrchr(*argv, '/');
-	if (s==NULL) s=*argv;
-	else s++;
-
-	if (argc>2) {
-		argv++;
+	if (*++argv) {
 		n = strlen(*argv);
 		m = strlen(s);
-		if (m>=n && strncmp(s+m-n, *argv, n)==0)
+		if ((m > n) && ((strcmp)(s+m-n, *argv) == 0)) {
 			s[m-n] = '\0';
+		}
 	}
-	printf("%s\n", s);
-	exit(TRUE);
-}
 
+	puts(s);
+
+	bb_fflush_stdout_and_exit(EXIT_SUCCESS);
+}