From: Christian Weisgerber <naddy@mips.inka.de>
Subject: Fix rmdir -p /foo/bar
To: tech@openbsd.org
Date: Sun, 11 May 2025 03:30:02 +0200

# rmdir -p /.ssh/agent                                       
rmdir: : No such file or directory

FreeBSD fixed this twenty years ago.

OK?

-----------------------------------------------
commit 26cd495101f3980b146e32f8974ad31b104ea1c4 (llvm19)
from: Christian Weisgerber <naddy@mips.inka.de>
date: Sat May 10 21:38:01 2025 UTC
 
 Do not emit a spurious warning when "directory" argument
 to "rmdir -p" is absolute, with one or more leading slashes.
 
 from FreeBSD
 
diff 15e4ef841b85919e980eddb4997fc694f6003f24 26cd495101f3980b146e32f8974ad31b104ea1c4
commit - 15e4ef841b85919e980eddb4997fc694f6003f24
commit + 26cd495101f3980b146e32f8974ad31b104ea1c4
blob - 0197254749acbef1496562627053a7b80fdfd5ec
blob + cf75833643ff15eb26f76d98f72877275db1ba92
--- bin/rmdir/rmdir.c
+++ bin/rmdir/rmdir.c
@@ -92,9 +92,11 @@ rm_path(char *path)
 
 	while ((p = strrchr(path, '/')) != NULL) {
 		/* Delete trailing slashes. */
-		while (--p > path && *p == '/')
+		while (--p >= path && *p == '/')
 			continue;
 		*++p = '\0';
+		if (p == path)
+			break;
 
 		if (rmdir(path) == -1) {
 			warn("%s", path);

-- 
Christian "naddy" Weisgerber                          naddy@mips.inka.de