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authorSiddhesh Poyarekar <siddhesh@redhat.com>2014-12-04 08:13:28 +0530
committerSiddhesh Poyarekar <siddhesh@redhat.com>2014-12-04 08:13:28 +0530
commitfe8b4d98e9ac371238388469cb74011cb2120343 (patch)
treebd78796417f00a31e2112af9fa724b0b732731b0 /libio/wfileops.c
parent61b4f792e03facb456036b3f631d58d4f53b8075 (diff)
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Reset cached offset when reading to end of stream (BZ #17653)
POSIX allows applications to switch file handles when a read results
in an end of file.  Unset the cached offset at this point so that it
is queried again.
Diffstat (limited to 'libio/wfileops.c')
-rw-r--r--libio/wfileops.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/libio/wfileops.c b/libio/wfileops.c
index 71281c1e5d..2a003b368d 100644
--- a/libio/wfileops.c
+++ b/libio/wfileops.c
@@ -257,7 +257,10 @@ _IO_wfile_underflow (fp)
   if (count <= 0)
     {
       if (count == 0 && naccbuf == 0)
-	fp->_flags |= _IO_EOF_SEEN;
+	{
+	  fp->_flags |= _IO_EOF_SEEN;
+	  fp->_offset = _IO_pos_BAD;
+	}
       else
 	fp->_flags |= _IO_ERR_SEEN, count = 0;
     }