17 	char path[2 * PATH_MAX];  in main()  local
25 	strlcpy(path, "/", sizeof(path));  in main()
27 	strlcat(path, dir, sizeof(path));   in main()
29 	strlcat(path, fname, sizeof(path));  in main()
30 	str = dirname(path);  in main()
32 		errx(1, "0: dirname(%s) = %s != %s", path, str, dname);  in main()
37 	 * 1) path is NULL  in main()
38 	 * 2) path is the empty string  in main()
39 	 * 3) path is composed entirely of slashes  in main()
57 	strlcpy(path, "", sizeof(path));  in main()
58 	str = dirname(path);  in main()
60 		errx(1, "2: dirname(%s) = %s != .", path, str);  in main()
64 		strlcat(path, "/", sizeof(path));	/* path cleared above */  in main()
65 	str = dirname(path);  in main()
67 		errx(1, "3: dirname(%s) = %s != /", path, str);  in main()
70 	strlcpy(path, "/", sizeof(path));		/* reset path */  in main()
72 		strlcat(path, dir, sizeof(path));  in main()
73 	strlcat(path, fname, sizeof(path));  in main()
74 	str = dirname(path);  in main()
76 		errx(1, "4: dirname(%s) = %s != NULL", path, str);  in main()
78 		errx(1, "4: dirname(%s) sets errno to %d", path, errno);  in main()