Merged revisions 203785 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r203785 | russell | 2009-06-26 16:16:39 -0500 (Fri, 26 Jun 2009) | 15 lines
  
  Don't fast forward past the end of a message.
  
  This is nice change for users of the voicemail application.  If someone gets a
  little carried away with fast forwarding through a message, they can easily
  get to the end and accidentally exit the voicemail application by hitting the
  fast forward key during the following prompt.
  
  This adds some safety by not allowing a fast forward past the end of a message.
  
  (closes issue #14554)
  Reported by: lacoursj
  Patches:
        21761.patch uploaded by lacoursj (license 707)
  Tested by: lacoursj
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@203802 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/file.c

@@ -1227,7 +1227,14 @@ static int waitstream_core(struct ast_channel *c, const char *breakon,
 				} else {
 					res = fr->subclass;
 					if (strchr(forward, res)) {
+						int eoftest;
 						ast_stream_fastforward(c->stream, skip_ms);
+						eoftest = fgetc(c->stream->f);
+						if (feof(c->stream->f)) {
+							ast_stream_rewind(c->stream, skip_ms);
+						} else {
+							ungetc(eoftest, c->stream->f);
+						}
 					} else if (strchr(reverse, res)) {
 						ast_stream_rewind(c->stream, skip_ms);
 					} else if (strchr(breakon, res)) {