/*
* Mini dirname implementation for busybox
*
- * Copyright (C) 2000 by Lineo, inc.
+ * Copyright (C) 1999,2000,2001 by Lineo, inc.
* Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
*
* This program is free software; you can redistribute it and/or modify
*/
#include "busybox.h"
#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
extern int dirname_main(int argc, char **argv)
{
char* s;
if ((argc < 2) || (**(argv + 1) == '-'))
- usage(dirname_usage);
+ show_usage();
argv++;
s=*argv+strlen(*argv)-1;
- while (s && *s == '/') {
- *s = '\0';
- s=*argv+strlen(*argv)-1;
+ while (s != *argv && *s == '/') {
+ *s-- = '\0';
}
s = strrchr(*argv, '/');
- if (s && *s)
+ if (s != NULL && s == *argv)
+ s[1] = '\0';
+ else if (s != NULL)
*s = '\0';
- printf("%s\n", (s)? *argv : ".");
+ puts(s ? *argv : ".");
return EXIT_SUCCESS;
}