[asterisk-bugs] [Asterisk 0011579]: [patch] Add a new function to check if a extension[, priority] exits in a context

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A NOTE has been added to this issue. 
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http://bugs.digium.com/view.php?id=11579 
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Reported By:                irroot
Assigned To:                
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Project:                    Asterisk
Issue ID:                   11579
Category:                   Functions/NewFeature
Reproducibility:            N/A
Severity:                   feature
Priority:                   normal
Status:                     new
Asterisk Version:            SVN 
SVN Branch (only for SVN checkouts, not tarball releases):  1.4  
SVN Revision (number only!): 90470 
Disclaimer on File?:        N/A 
Request Review:              
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Date Submitted:             12-17-2007 09:11 CST
Last Modified:              12-19-2007 11:40 CST
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Summary:                    [patch] Add a new function to check if a
extension[,priority] exits in a context
Description: 
this is a wrapper to ast_exists_extension and/or ast_findlabel_extension

this will be used to avoid goto falling off the map/hanging up ... if
there is no extension 

ie

exten =>t,n,
GotoIf(${ISEXTEN(ivr-${IVRCONT},${NEWUEXTEN})}?ivr-${IVRCONT},${NEWUEXTEN},1)

will work or continue on to next priority or alternate 
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---------------------------------------------------------------------- 
 Corydon76 - 12-19-07 11:40  
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Just use ast_context_find().  It returns a non-NULL pointer if the named
context exists. 

Issue History 
Date Modified   Username       Field                    Change               
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12-19-07 11:40  Corydon76      Note Added: 0075719                          
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