Address static analyzer warnings about potential null dereference

Ben Chatelain · Ben Chatelain · commit 51fed2aa6e37 · 2015-04-11T19:17:12.000-06:00
diff --git a/ObjectiveGit/GTSignature.m b/ObjectiveGit/GTSignature.m
@@ -111,10 +111,14 @@ - (NSString *)email {
 }
 
 - (NSDate *)time {
+	if (self.git_signature == NULL) return nil;
+
 	return [NSDate gt_dateFromGitTime:self.git_signature->when];
 }
 
 - (NSTimeZone *)timeZone {
+	if (self.git_signature == NULL) return nil;
+
 	return [NSTimeZone gt_timeZoneFromGitTime:self.git_signature->when];
 }
 

Original file line number	Diff line number	Diff line change
`@@ -111,10 +111,14 @@ - (NSString *)email {`
`111`	`111`	`}`
`112`	`112`
`113`	`113`	`- (NSDate *)time {`
	`114`	`+ if (self.git_signature == NULL) return nil;`
	`115`	`+`
`114`	`116`	`return [NSDate gt_dateFromGitTime:self.git_signature->when];`
`115`	`117`	`}`
`116`	`118`
`117`	`119`	`- (NSTimeZone *)timeZone {`
	`120`	`+ if (self.git_signature == NULL) return nil;`
	`121`	`+`
`118`	`122`	`return [NSTimeZone gt_timeZoneFromGitTime:self.git_signature->when];`
`119`	`123`	`}`
`120`	`124`