# HG changeset patch
# User Paul Eggert <eggert@cs.ucla.edu>
# Date 1099473857 0
# Node ID 21f9e658d03201aac18b72c7f7b9eaa1b74d928e
# Parent  c008e99bcbabe82148a60f8fb36e15a492cb3fc4
xreadlink.c (xreadlink): AIX and HP-UX readlink return -1
with errno == ERANGE if the buffer is too small.

diff --git a/lib/xreadlink.c b/lib/xreadlink.c
--- a/lib/xreadlink.c
+++ b/lib/xreadlink.c
@@ -66,7 +66,9 @@
       ssize_t r = readlink (filename, buffer, buf_size);
       size_t link_length = r;
 
-      if (r < 0)
+      /* On AIX 5L v5.3 and HP-UX 11i v2 04/09, readlink returns -1
+	 with errno == ERANGE if the buffer is too small.  */
+      if (r < 0 && errno != ERANGE)
 	{
 	  int saved_errno = errno;
 	  free (buffer);