From e99182dab3093f1645f9e4ff216aa752d7443fb1 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Thu, 1 Jan 2026 13:47:45 +0000
Subject:  Save/restore errno in all safe wrappers

---
 src/libunixonacid/open2_at.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/libunixonacid/open2_at.c')

diff --git a/src/libunixonacid/open2_at.c b/src/libunixonacid/open2_at.c
index 3afc4fb..0b07f0e 100644
--- a/src/libunixonacid/open2_at.c
+++ b/src/libunixonacid/open2_at.c
@@ -18,9 +18,11 @@
 
 int open2_at (int dirfd, char const *file, int flags)
 {
+  int e = errno ;
   int fd ;
   do fd = openat(dirfd, file, flags) ;  /* all systems supporting openat() have O_CLOEXEC */
   while (fd == -1 && errno == EINTR) ;
+  if (fd >= 0) errno = e ;
   return fd ;
 }
 
-- 
cgit v1.3.1