Merged revisions 261095 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

................
  r261095 | tilghman | 2010-05-04 18:51:52 -0500 (Tue, 04 May 2010) | 18 lines

  Merged revisions 261093-261094 via svnmerge from
  https://origsvn.digium.com/svn/asterisk/branches/1.4

  ........
    r261093 | tilghman | 2010-05-04 18:36:53 -0500 (Tue, 04 May 2010) | 7 lines

    Protect against overflow, when calculating how long to wait for a frame.

    (closes issue #17128)
     Reported by: under
     Patches:
           d.diff uploaded by under (license 914)
  ........
    r261094 | tilghman | 2010-05-04 18:47:08 -0500 (Tue, 04 May 2010) | 2 lines

    Add a tiny corner case to the previous commit
  ........
................

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.1@261097 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/main/channel.c b/main/channel.c
index bd157acfa58458c4a9369bf109eb32a0e8d5d9d6..6073bf91c73d8863a8e5012819377c98ec9821e8 100644 (file)
--- a/main/channel.c
+++ b/main/channel.c
@@ -2068,10 +2068,15 @@ struct ast_channel *ast_waitfor_nandfds(struct ast_channel **c, int n, int *fds,
        }
        /* Wait full interval */
        rms = *ms;
-       if (!ast_tvzero(whentohangup)) {
+       /* INT_MAX, not LONG_MAX, because it matters on 64-bit */
+       if (!ast_tvzero(whentohangup) && whentohangup.tv_sec < INT_MAX / 1000) {
                rms = whentohangup.tv_sec * 1000 + whentohangup.tv_usec / 1000;              /* timeout in milliseconds */
-               if (*ms >= 0 && *ms < rms)              /* original *ms still smaller */
+               if (*ms >= 0 && *ms < rms) {                                                 /* original *ms still smaller */
                        rms =  *ms;
+               }
+       } else if (!ast_tvzero(whentohangup) && rms < 0) {
+               /* Tiny corner case... call would need to last >24 days */
+               rms = INT_MAX;
        }
        /*
         * Build the pollfd array, putting the channels' fds first,