Merge pull request #52 from WilliamDenniss/loopback-warnings

Fixed compiler warnings in OIDLoopbackHTTPServer.

Author: WilliamDenniss

AppAuth.podspec

@@ -31,6 +31,11 @@ tasks like performing an action with fresh tokens.
 
   s.source       = { :git => "https://github.com/openid/AppAuth-iOS.git", :tag => s.version }
 
+  s.pod_target_xcconfig = {
+    # Treat warnings as errors.
+    'GCC_TREAT_WARNINGS_AS_ERRORS' => 'YES',
+  }
+
   s.source_files = "Source/*.{h,m}"
   s.requires_arc = true
 

Example-Mac/Source/AppAuthExampleViewController.m

@@ -83,7 +83,8 @@ - (void)viewDidLoad {
 
   NSAssert(![kClientID isEqualToString:@"YOUR_CLIENT.apps.googleusercontent.com"],
            @"Update kClientID with your own client ID. "
-            "Instructions: https://github.com/openid/AppAuth-iOS/blob/master/Example-Mac/README.md");
+            "Instructions: "
+            "https://github.com/openid/AppAuth-iOS/blob/master/Example-Mac/README.md");
 
 #endif // !defined(NS_BLOCK_ASSERTIONS)
 
@@ -173,11 +174,13 @@ - (IBAction)authWithAutoCodeExchange:(nullable id)sender {
 
   NSAssert(![kClientID isEqualToString:@"YOUR_CLIENT.apps.googleusercontent.com"],
            @"Update kClientID with your own client ID. "
-            "Instructions: https://github.com/openid/AppAuth-iOS/blob/master/Example-Mac/README.md");
+            "Instructions: "
+            "https://github.com/openid/AppAuth-iOS/blob/master/Example-Mac/README.md");
 
   NSAssert(![kRedirectURI isEqualToString:@"com.googleusercontent.apps.YOUR_CLIENT:/oauthredirect"],
            @"Update kRedirectURI with your own redirect URI. "
-            "Instructions: https://github.com/openid/AppAuth-iOS/blob/master/Example-Mac/README.md");
+            "Instructions: "
+            "https://github.com/openid/AppAuth-iOS/blob/master/Example-Mac/README.md");
 
   // verifies that the custom URI scheme has been updated in the Info.plist
   NSArray __unused* urlTypes =
@@ -252,7 +255,8 @@ - (IBAction)authWithAutoCodeExchangeHTTP:(nullable id)sender {
 
   NSAssert(![kClientSecret isEqualToString:@"YOUR_CLIENT_SECRET"],
            @"Update kClientSecret with your own client ID secret. "
-            "Instructions: https://github.com/openid/AppAuth-iOS/blob/master/Example-Mac/README.md");
+            "Instructions: "
+            "https://github.com/openid/AppAuth-iOS/blob/master/Example-Mac/README.md");
 
 #endif // !defined(NS_BLOCK_ASSERTIONS)
 

Source/macOS/LoopbackHTTPServer/OIDLoopbackHTTPServer.h

@@ -23,7 +23,7 @@
 #import <Foundation/Foundation.h>
 #import <CoreServices/CoreServices.h>
 
-@class HTTPConnection, HTTPServerRequest;
+@class HTTPConnection, HTTPServerRequest, TCPServer;
 
 extern NSString * const TCPServerErrorDomain;
 
@@ -33,9 +33,18 @@ typedef enum {
     kTCPServerNoSocketsAvailable = 3,
 } TCPServerErrorCode;
 
+@protocol TCPServerDelegate <NSObject>
+
+- (void)TCPServer:(TCPServer *)server
+    didReceiveConnectionFromAddress:(NSData *)addr
+                        inputStream:(NSInputStream *)istr
+                       outputStream:(NSOutputStream *)ostr;
+
+@end
+
 @interface TCPServer : NSObject {
 @private
-    __weak id delegate;
+    __weak id<TCPServerDelegate> delegate;
     NSString *domain;
     NSString *name;
     NSString *type;
@@ -70,15 +79,6 @@ typedef enum {
 
 @end
 
-@interface TCPServer (TCPServerDelegateMethods)
-// if the delegate implements this method, it is called when a new 
-// connection comes in; a subclass may, of course, change that behavior
-- (void)TCPServer:(TCPServer *)server
-    didReceiveConnectionFromAddress:(NSData *)addr
-                        inputStream:(NSInputStream *)istr
-                       outputStream:(NSOutputStream *)ostr;
-@end
-
 @interface HTTPServer : TCPServer {
 @private
     Class connClass;
@@ -107,7 +107,7 @@ typedef enum {
 
 
 // This class represents each incoming client connection.
-@interface HTTPConnection : NSObject {
+@interface HTTPConnection : NSObject <NSStreamDelegate> {
 @private
     __weak id delegate;
     NSData *peerAddress;

Source/macOS/LoopbackHTTPServer/OIDLoopbackHTTPServer.m

@@ -109,7 +109,7 @@ - (HTTPServer *)server {
 }
 
 - (HTTPServerRequest *)nextRequest {
-    unsigned idx, cnt = requests ? [requests count] : 0;
+    NSUInteger idx, cnt = requests ? [requests count] : 0;
     for (idx = 0; idx < cnt; idx++) {
         id obj = [requests objectAtIndex:idx];
         if ([obj response] == nil) {
@@ -157,7 +157,7 @@ - (BOOL)processIncomingBytes {
 
         unsigned contentLength = contentLengthValue ? [contentLengthValue intValue] : 0;
         NSData *body = (__bridge_transfer NSData *)CFHTTPMessageCopyBody(working);
-        unsigned bodyLength = [body length];
+        NSUInteger bodyLength = [body length];
         if (contentLength <= bodyLength) {
             NSData *newBody = [NSData dataWithBytes:[body bytes] length:contentLength];
             [ibuffer setLength:0];
@@ -199,9 +199,9 @@ - (void)processOutgoingBytes {
         return;
     }
 
-    unsigned olen = [obuffer length];
+    NSUInteger olen = [obuffer length];
     if (0 < olen) {
-        int writ = [ostream write:[obuffer bytes] maxLength:olen];
+        NSInteger writ = [ostream write:[obuffer bytes] maxLength:olen];
         // buffer any unwritten bytes for later writing
         if (writ < olen) {
             memmove([obuffer mutableBytes], [obuffer mutableBytes] + writ, olen - writ);
@@ -211,7 +211,7 @@ - (void)processOutgoingBytes {
         [obuffer setLength:0];
     }
 
-    unsigned cnt = requests ? [requests count] : 0;
+    NSUInteger cnt = requests ? [requests count] : 0;
     HTTPServerRequest *req = (0 < cnt) ? [requests objectAtIndex:0] : nil;
 
     CFHTTPMessageRef cfresp = req ? [req response] : NULL;
@@ -224,9 +224,9 @@ - (void)processOutgoingBytes {
     if (!firstResponseDone) {
         firstResponseDone = YES;
         NSData *serialized = (__bridge_transfer NSData *)CFHTTPMessageCopySerializedMessage(cfresp);
-        unsigned olen = [serialized length];
+        NSUInteger olen = [serialized length];
         if (0 < olen) {
-            int writ = [ostream write:[serialized bytes] maxLength:olen];
+            NSInteger writ = [ostream write:[serialized bytes] maxLength:olen];
             if (writ < olen) {
                 // buffer any unwritten bytes for later writing
                 [obuffer setLength:(olen - writ)];
@@ -243,7 +243,7 @@ - (void)processOutgoingBytes {
         }
         // read some bytes from the stream into our local buffer
         [obuffer setLength:16 * 1024];
-        int read = [respStream read:[obuffer mutableBytes] maxLength:[obuffer length]];
+        NSInteger read = [respStream read:[obuffer mutableBytes] maxLength:[obuffer length]];
         [obuffer setLength:read];
     }
 
@@ -264,7 +264,7 @@ - (void)processOutgoingBytes {
 
     olen = [obuffer length];
     if (0 < olen) {
-        int writ = [ostream write:[obuffer bytes] maxLength:olen];
+        NSInteger writ = [ostream write:[obuffer bytes] maxLength:olen];
         // buffer any unwritten bytes for later writing
         if (writ < olen) {
             memmove([obuffer mutableBytes], [obuffer mutableBytes] + writ, olen - writ);
@@ -278,9 +278,9 @@ - (void)stream:(NSStream *)stream handleEvent:(NSStreamEvent)streamEvent {
     case NSStreamEventHasBytesAvailable:;
         uint8_t buf[16 * 1024];
         uint8_t *buffer = NULL;
-        unsigned int len = 0;
+        NSUInteger len = 0;
         if (![istream getBuffer:&buffer length:&len]) {
-            int amount = [istream read:buf maxLength:sizeof(buf)];
+            NSInteger amount = [istream read:buf maxLength:sizeof(buf)];
             buffer = buf;
             len = amount;
         }
@@ -344,7 +344,7 @@ - (void)performDefaultRequestHandling:(HTTPServerRequest *)mess {
         }
 
         CFHTTPMessageRef response = CFHTTPMessageCreateResponse(kCFAllocatorDefault, 200, NULL, kCFHTTPVersion1_1); // OK
-        CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Content-Length", (__bridge CFStringRef)[NSString stringWithFormat:@"%d", [data length]]);
+        CFHTTPMessageSetHeaderFieldValue(response, (CFStringRef)@"Content-Length", (__bridge CFStringRef)[NSString stringWithFormat:@"%lu", (unsigned long) [data length]]);
         if ([method isEqual:@"GET"]) {
             CFHTTPMessageSetBody(response, (__bridge CFDataRef)data);
         }
@@ -473,7 +473,7 @@ - (void)setPort:(uint16_t)value {
 
 - (void)handleNewConnectionFromAddress:(NSData *)addr inputStream:(NSInputStream *)istr outputStream:(NSOutputStream *)ostr {
     // if the delegate implements the delegate method, call it
-    if (delegate && [delegate respondsToSelector:@selector(TCPServer:didReceiveConnectionFrom:inputStream:outputStream:)]) {
+    if (delegate && [(NSObject*)delegate respondsToSelector:@selector(TCPServer:didReceiveConnectionFromAddress:inputStream:outputStream:)]) {
         [delegate TCPServer:self didReceiveConnectionFromAddress:addr inputStream:istr outputStream:ostr];
     }
 }