Index: mkdir.c
===================================================================
RCS file: /cvsroot/src/bin/mkdir/mkdir.c,v
retrieving revision 1.38
diff -p -u -r1.38 mkdir.c
--- mkdir.c	29 Aug 2011 14:45:28 -0000	1.38
+++ mkdir.c	13 Sep 2021 07:50:57 -0000
@@ -153,16 +153,18 @@ mkpath(char *path, mode_t mode, mode_t d
 {
 	struct stat sb;
 	char *slash;
-	int done, rv;
+	int skip, done, rv;
 
 	done = 0;
 	slash = path;
+	skip = strspn(slash, "/");
 
 	for (;;) {
-		slash += strspn(slash, "/");
+		slash += skip;
 		slash += strcspn(slash, "/");
+		skip = strspn(slash, "/");
 
-		done = (*slash == '\0');
+		done = (*slash == '\0' || *(slash + skip) == '\0');
 		*slash = '\0';
 
 		rv = mkdir(path, done ? mode : dir_mode);