* src/touch.c (touch): Do not use open_errno == EEXIST for diagnostic
if file was a directory as macOS 26 sets it for open("/", O_CREAT, ...).
---
src/touch.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
Fixes:
FAIL tests/touch/not-owner.sh
+ diff -u exp out
--- exp 2025-09-18 16:28:32.548385670 -0400
+++ out 2025-09-18 16:28:32.527841543 -0400
@@ -1 +1 @@
-touch: setting times of '/': Read-only file system
+touch: cannot touch '/': File exists
diff --git a/src/touch.c b/src/touch.c
index bc6b23840..cbe0cba38 100644
--- a/src/touch.c
+++ b/src/touch.c
@@ -180,11 +180,12 @@ touch (char const *file)
would give a bogus diagnostic for e.g., 'touch /' (assuming we
don't own / or have write access). On Solaris 10 and probably
other systems, opening a directory like "." fails with EINVAL.
- (On SunOS 4 it was EPERM but that's obsolete.) */
+ (On SunOS 4 it was EPERM but that's obsolete.) On macOS 26
+ opening "/" fails with EEXIST. */
struct stat st;
if (open_errno
&& ! (open_errno == EISDIR
- || (open_errno == EINVAL
+ || ((open_errno == EINVAL || open_errno == EEXIST)
&& stat (file, &st) == 0 && S_ISDIR (st.st_mode))))
{
/* The wording of this diagnostic should cover at least two cases:
--
2.51.0
