Author: pfg
Date: Tue Jul 22 16:19:01 2014
New Revision: 268984
URL: http://svnweb.freebsd.org/changeset/base/268984
Log:
ftello: return 1 when seeking offset on an append stream.
Obtained from: Apple Inc. (Libc 997.90.3)
Phabric: D442
MFC after: 2 weeks
Modified:
head/lib/libc/stdio/ftell.c
Modified: head/lib/libc/stdio/ftell.c
==============================================================================
--- head/lib/libc/stdio/ftell.c Tue Jul 22 16:10:56 2014 (r268983)
+++ head/lib/libc/stdio/ftell.c Tue Jul 22 16:19:01 2014 (r268984)
@@ -97,6 +97,8 @@ _ftello(FILE *fp, fpos_t *offset)
* Find offset of underlying I/O object, then
* adjust for buffered bytes.
*/
+ if (__sflush(fp)) /* may adjust seek offset on append stream */
+ return (1);
if (fp->_flags & __SOFF)
pos = fp->_offset;
else {
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