signalapp/AFNetworking
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Adds missing [self.response respondsToSelector:@selector(allHeaderFields)] check.

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This commit is contained in:
Oliver Letterer 2013-05-08 20:22:07 +02:00
parent 618765b5a9
commit 58c890f17e
1 changed files with 1 additions and 1 deletions
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2
AFNetworking/AFHTTPRequestOperation.m
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@ -186,7 +186,7 @@ static void AFSwizzleClassMethodWithClassAndSelectorUsingBlock(Class klass, SEL
}
NSMutableURLRequest *mutableURLRequest = [self.request mutableCopy];
if ([[self.response allHeaderFields] valueForKey:@"ETag"]) {
if ([self.response respondsToSelector:@selector(allHeaderFields)] && [[self.response allHeaderFields] valueForKey:@"ETag"]) {
[mutableURLRequest setValue:[[self.response allHeaderFields] valueForKey:@"ETag"] forHTTPHeaderField:@"If-Range"];
}
[mutableURLRequest setValue:[NSString stringWithFormat:@"bytes=%llu-", offset] forHTTPHeaderField:@"Range"];