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Fix analyzer warnings

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pull/1/head
Michael Kirk 7 years ago
parent baacebc956
commit ef9a0880ae
11 changed files with 42 additions and 20 deletions
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4
Signal.xcodeproj/project.pbxproj
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@ -3906,10 +3906,13 @@
buildSettings = {
ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
CLANG_ADDRESS_SANITIZER_CONTAINER_OVERFLOW = YES;
CLANG_ANALYZER_SECURITY_FLOATLOOPCOUNTER = YES;
CLANG_ANALYZER_SECURITY_INSECUREAPI_RAND = YES;
CLANG_ANALYZER_SECURITY_INSECUREAPI_STRCPY = YES;
CLANG_ENABLE_MODULES = YES;
CLANG_UNDEFINED_BEHAVIOR_SANITIZER_INTEGER = YES;
CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES;
CODE_SIGN_ENTITLEMENTS = Signal/Signal.entitlements;
CODE_SIGN_IDENTITY = "iPhone Developer";
"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
@ -3972,6 +3975,7 @@
buildSettings = {
ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
CLANG_ADDRESS_SANITIZER_CONTAINER_OVERFLOW = NO;
CLANG_ANALYZER_SECURITY_FLOATLOOPCOUNTER = YES;
CLANG_ANALYZER_SECURITY_INSECUREAPI_RAND = YES;
CLANG_ANALYZER_SECURITY_INSECUREAPI_STRCPY = YES;

3
Signal.xcodeproj/xcshareddata/xcschemes/Signal.xcscheme
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@ -76,6 +76,9 @@
buildConfiguration = "Debug"
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
enableAddressSanitizer = "YES"
enableASanStackUseAfterReturn = "YES"
enableUBSanitizer = "YES"
launchStyle = "0"
useCustomWorkingDirectory = "NO"
ignoresPersistentStateOnLaunch = "NO"

3
Signal/src/AppDelegate.m
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@ -278,6 +278,7 @@ static NSTimeInterval launchStartedAt;
}
OWSBackgroundTask *_Nullable backgroundTask = [OWSBackgroundTask backgroundTaskWithLabelStr:__PRETTY_FUNCTION__];
SUPPRESS_DEADSTORE_WARNING(backgroundTask);
if ([NSFileManager.defaultManager fileExistsAtPath:OWSPrimaryStorage.legacyDatabaseFilePath]) {
DDLogInfo(@"%@ Legacy Database file size: %@",
@ -925,7 +926,7 @@ static NSTimeInterval launchStartedAt;
- (void)application:(UIApplication *)application
handleActionWithIdentifier:(NSString *)identifier
forLocalNotification:(UILocalNotification *)notification
completionHandler:(void (^)(void))completionHandler
completionHandler:(void (^)())completionHandler
{
OWSAssertIsOnMainThread();

1
Signal/src/ViewControllers/AppSettings/AppSettingsViewController.m
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@ -204,6 +204,7 @@
// TODO: Always show backup when we go to production.
BOOL isBackupEnabled = [OWSBackup.sharedManager isBackupEnabled];
BOOL showBackup = isBackupEnabled;
SUPPRESS_DEADSTORE_WARNING(showBackup);
#ifdef DEBUG
showBackup = YES;
#endif

2
Signal/src/ViewControllers/ConversationView/Cells/OWSQuotedMessageView.m
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@ -331,7 +331,9 @@ NS_ASSUME_NONNULL_BEGIN
OWSAssert(self.quotedTextLabel);
UIColor *textColor = self.quotedTextColor;
SUPPRESS_DEADSTORE_WARNING(textColor);
UIFont *font = self.quotedTextFont;
SUPPRESS_DEADSTORE_WARNING(font);
NSString *text = @"";
NSString *_Nullable fileTypeForSnippet = [self fileTypeForSnippet];

10
Signal/src/ViewControllers/ConversationView/ConversationViewController.m
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@ -1413,9 +1413,8 @@ typedef enum : NSUInteger {
UIColor *subtitleColor = [UIColor.ows_navbarTitleColor colorWithAlphaComponent:(CGFloat)0.9];
if (self.thread.isMuted) {
// Show a "mute" icon before the navigation bar subtitle if this thread is muted.
[subtitleText
appendAttributedString:[[NSAttributedString alloc]
initWithString:@"\ue067 "
[subtitleText appendAttributedString:[[NSAttributedString alloc]
initWithString:LocalizationNotNeeded(@"\ue067 ")
attributes:@{
NSFontAttributeName : [UIFont ows_elegantIconsFont:7.f],
NSForegroundColorAttributeName : subtitleColor
@ -1432,9 +1431,8 @@ typedef enum : NSUInteger {
}
if (isVerified) {
// Show a "checkmark" icon before the navigation bar subtitle if this thread is verified.
[subtitleText
appendAttributedString:[[NSAttributedString alloc]
initWithString:@"\uf00c "
[subtitleText appendAttributedString:[[NSAttributedString alloc]
initWithString:LocalizationNotNeeded(@"\uf00c ")
attributes:@{
NSFontAttributeName : [UIFont ows_fontAwesomeFont:10.f],
NSForegroundColorAttributeName : subtitleColor,

2
Signal/src/ViewControllers/HomeView/HomeViewCell.m
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@ -371,7 +371,7 @@ NS_ASSUME_NONNULL_BEGIN
} else {
if ([thread isMuted]) {
[snippetText appendAttributedString:[[NSAttributedString alloc]
initWithString:@"\ue067 "
initWithString:LocalizationNotNeeded(@"\ue067 ")
attributes:@{
NSFontAttributeName : [UIFont ows_elegantIconsFont:9.f],
NSForegroundColorAttributeName :

2
Signal/src/ViewControllers/Registration/CodeVerificationViewController.m
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@ -329,7 +329,7 @@ NS_ASSUME_NONNULL_BEGIN
[alert addAction:[UIAlertAction actionWithTitle:CommonStrings.dismissButton
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action) {
[_challengeTextField becomeFirstResponder];
[self.challengeTextField becomeFirstResponder];
}]];
[self presentViewController:alert animated:YES completion:nil];

4
Signal/src/ViewControllers/ThreadSettings/FingerprintViewController.m
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@ -354,7 +354,7 @@ typedef void (^CustomLayoutBlock)(void);
// Show a "checkmark" if this user is verified.
[labelText
appendAttributedString:[[NSAttributedString alloc]
initWithString:@"\uf00c "
initWithString:LocalizationNotNeeded(@"\uf00c ")
attributes:@{
NSFontAttributeName : [UIFont
ows_fontAwesomeFont:self.verificationStateLabel.font.pointSize],
@ -383,7 +383,7 @@ typedef void (^CustomLayoutBlock)(void);
// Show a "checkmark" if this user is not verified.
[buttonText
appendAttributedString:[[NSAttributedString alloc]
initWithString:@"\uf00c "
initWithString:LocalizationNotNeeded(@"\uf00c ")
attributes:@{
NSFontAttributeName : [UIFont
ows_fontAwesomeFont:self.verifyUnverifyButtonLabel.font.pointSize],

2
Signal/src/ViewControllers/ThreadSettings/OWSConversationSettingsViewController.m
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@ -786,7 +786,7 @@ const CGFloat kIconViewLength = 24;
NSMutableAttributedString *subtitle = [NSMutableAttributedString new];
// "checkmark"
[subtitle appendAttributedString:[[NSAttributedString alloc]
initWithString:@"\uf00c "
initWithString:LocalizationNotNeeded(@"\uf00c ")
attributes:@{
NSFontAttributeName :
[UIFont ows_fontAwesomeFont:kSubtitlePointSize],

13
SignalServiceKit/src/Util/OWSAsserts.h
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@ -137,6 +137,19 @@ NS_ASSUME_NONNULL_BEGIN
OWSCFail(_messageFormat, ##__VA_ARGS__); \
}
// Avoids Clang analyzer warning:
// Value stored to 'x' during it's initialization is never read
#define SUPPRESS_DEADSTORE_WARNING(x) \
do { \
(void)x; \
} while (0)
__attribute__((annotate("returns_localized_nsstring"))) static inline NSString *LocalizationNotNeeded(NSString *s)
{
return s;
}
// This function is intended for use in Swift.
void SwiftAssertIsOnMainThread(NSString *functionName);

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