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Merged revisions 84511 via svnmerge from

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

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r84511 | murf | 2007-10-03 08:23:00 -0600 (Wed, 03 Oct 2007) | 1 line

closes issue #10834 ; where a null input to a switch statement results in a hangup; since switch is implemented with extensions, and the default case is implemented with a '.', and the '.' matches 1 or more remaining characters, the case where 0 characters exist isn't matched, and the extension isn't matched, and the goto fails, and a hangup occurs. Now, when a default case is generated, it also generates a single fixed extension that will match a null input. That extension just does a goto to the default extension for that switch. I played with an alternate solution, where I just tack an extra char onto all the patterns and the goto, but not the default case's pattern. Then even a null input will still have at least one char in it. But it made me nervous, having that extra char in , even if that's a pretty secret and low-level issue.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@84512 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Steve Murphy
2007-10-03 14:39:05 +00:00
parent 3c641c74de
commit 3ffa04bbd3
10 changed files with 193 additions and 87 deletions
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pbx/ael/ael-test/ref.ael-vtest17
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@@ -45,6 +45,7 @@ exten => 82,2,Verbose(Finished 100000 levels deep call!)
exten => 83,1,Goto(sw-2-${EXTEN}\,10)
exten => 83,2,NoOp(Finish switch-extension-2)
exten => _sw-2-.,10,Goto(83\,2)
exten => sw-2-,10,Goto(sw-2-.|10)
exten => _sw-2-[4-7]X,10,Verbose(and this too!)
exten => _sw-2-[4-7]X,11,Goto(sw-2-.\,10)
exten => _sw-2-9X,10,Verbose(handle both 8x and 9x calls)