From dfe280e907733bbbeab2983beebc8ee5a30ac5df Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 3 Jan 2005 19:54:54 +0000
Subject: (futimens): Robustify the previous patch, by checking for known valid
 error numbers rather than observed invalid ones.

---
 lib/utimens.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'lib')

diff --git a/lib/utimens.c b/lib/utimens.c
index c39497717..4448f19f4 100644
--- a/lib/utimens.c
+++ b/lib/utimens.c
@@ -81,10 +81,16 @@ futimens (int fd ATTRIBUTE_UNUSED,
 	return 0;
 
       /* On GNU/Linux without the futimes syscall and without /proc
-	 mounted, glibc futimes fails with errno == ENOENT or ENOSYS.
-	 Fall back on utimes in this case.  */
-      if (errno != ENOENT && errno != ENOSYS)
-	return -1;
+	 mounted, glibc futimes fails with errno == ENOENT.  Fall back
+	 on utimes if we get a weird error number like that.  */
+      switch (errno)
+	{
+	case EACCES:
+	case EIO:
+	case EPERM:
+	case EROFS:
+	  return -1;
+	}
     }
 # endif
   return utimes (file, t);
-- 
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