(if_nameindex): Set errno to ENOBUFS if we are out of memory.

diff --git a/sysdeps/unix/sysv/linux/if_index.c b/sysdeps/unix/sysv/linux/if_index.c
index 44d310b..764dac7 100644 (file)
--- a/sysdeps/unix/sysv/linux/if_index.c
+++ b/sysdeps/unix/sysv/linux/if_index.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -133,6 +133,7 @@ if_nameindex (void)
   if (idx == NULL)
     {
       __close (fd);
+      __set_errno (ENOBUFS);
       return NULL;
     }
 
@@ -151,7 +152,10 @@ if_nameindex (void)
          free (idx);
          __close (fd);
          if (saved_errno == EINVAL)
-           __set_errno (ENOSYS);
+           saved_errno = ENOSYS;
+         else if (saved_errno == ENOMEM)
+           saved_errno = ENOBUFS;
+         __set_errno (saved_errno);
          return NULL;
        }
       idx[i].if_index = ifr->ifr_ifindex;