From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 3 Nov 2004 23:15:44 +0000 (+0000)
Subject: Sync from gnulib.
X-Git-Tag: v5.3.0~468
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4b738e2f5d0dab670180ffcefe802ea664967e19;p=thirdparty%2Fcoreutils.git

Sync from gnulib.
---

diff --git a/lib/xreadlink.c b/lib/xreadlink.c
index c38e2d3aad..0f5e7d26f2 100644
--- a/lib/xreadlink.c
+++ b/lib/xreadlink.c
@@ -66,7 +66,9 @@ xreadlink (char const *filename, size_t size)
       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);