- (djm) [sshpty.c] bz#1419: OSX uses cloning ptys that automagically
   set ownership and modes, so avoid explicitly setting them
diff --git a/sshpty.c b/sshpty.c
index 5a0d1a7..bbbc0fe 100644
--- a/sshpty.c
+++ b/sshpty.c
@@ -46,6 +46,13 @@
 #define O_NOCTTY 0
 #endif
 
+#ifdef __APPLE__
+# include <AvailabilityMacros.h>
+# if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
+#  define __APPLE_PRIVPTY__
+# endif
+#endif
+
 /*
  * Allocates and opens a pty.  Returns 0 if no pty could be allocated, or
  * nonzero if a pty was successfully allocated.  On success, open file
@@ -78,10 +85,12 @@
 void
 pty_release(const char *tty)
 {
+#ifndef __APPLE_PRIVPTY__
 	if (chown(tty, (uid_t) 0, (gid_t) 0) < 0)
 		error("chown %.100s 0 0 failed: %.100s", tty, strerror(errno));
 	if (chmod(tty, (mode_t) 0666) < 0)
 		error("chmod %.100s 0666 failed: %.100s", tty, strerror(errno));
+#endif /* __APPLE_PRIVPTY__ */
 }
 
 /* Makes the tty the process's controlling tty and sets it to sane modes. */