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add extra safety check

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/ec/trunk@36504 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 2013-04-11 12:56:23 +00:00
parent ab2a9854d9
commit d36af01836
1 changed files with 3 additions and 2 deletions
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5
EcControl.m
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@ -396,14 +396,15 @@ static NSString* cmdWord(NSArray* a, unsigned int pos)
if (NSNotFound != index)
{
EcAlarm *old = [a objectAtIndex: index];
int notificationID = [old notificationID];
severity = [old perceivedSeverity];
if (severity <= alertAlarmThreshold)
if (severity <= alertAlarmThreshold && notificationID > 0)
{
NSDictionary *info;
NSString *key;
key = [NSString stringWithFormat: @"%d", [old notificationID]];
key = [NSString stringWithFormat: @"%d", notificationID];
if (nil != (info = [lastAlertInfo objectForKey: key]))
{