Merged revisions 165801 via svnmerge from

Merged revisions 165801 via svnmerge from
https://origsvn.digium.com/svn/asterisk/trunk

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r165801 | russell | 2008-12-18 15:44:47 -0600 (Thu, 18 Dec 2008) | 19 lines

Merged revisions 165796 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r165796 | russell | 2008-12-18 15:39:25 -0600 (Thu, 18 Dec 2008) | 11 lines

Make ast_carefulwrite() be more careful.

This patch handles some additional cases that could result in partial writes
to the file description.  This was done to address complaints about partial
writes on AMI.

(issue #13546) (more changes needed to address potential problems in 1.6)
Reported by: srt
Tested by: russell
Review: http://reviewboard.digium.com/r/99/

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@165802 65c4cc65-6c06-0410-ace0-fbb531ad65f3