Solve null-termination problems (with SA_NSDataExtensions)

IRCClient should no longer have any issues with null termination
of strings (expecting terminated strings and not getting them,
or vice versa).

.gitignore

 *.ipa
 
 libirc*
+NSData*
 
 *~

IRCClient.xcodeproj/project.pbxproj

 	objects = {
 
 /* Begin PBXBuildFile section */
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 /* End PBXBuildFile section */
 
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 		868374A81C24E774005B97E5 /* IRCClient.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = IRCClient.h; sourceTree = "<group>"; };
 		86B6232B1C21FD7C00D6E3AF /* README */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = README; sourceTree = "<group>"; };
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
+		8657E6DA1C29F4C700BD4E50 /* NSData+SA_NSDataExtensions */ = {
+			isa = PBXGroup;
+			children = (
+				8657E6DB1C29F4C700BD4E50 /* NSData+SA_NSDataExtensions.h */,
+				8657E6DC1C29F4C700BD4E50 /* NSData+SA_NSDataExtensions.m */,
+			);
+			path = "NSData+SA_NSDataExtensions";
+			sourceTree = "<group>";
+		};
 		86D7849F1C24C39F00C7458D /* libircclient */ = {
 			isa = PBXGroup;
 			children = (
 			children = (
 				868374A81C24E774005B97E5 /* IRCClient.h */,
 				86D7849F1C24C39F00C7458D /* libircclient */,
+				8657E6DA1C29F4C700BD4E50 /* NSData+SA_NSDataExtensions */,
 				86B6232B1C21FD7C00D6E3AF /* README */,
 				86F2EFE81C21F73600B033A4 /* IRCClient */,
 				86F2EFE71C21F73600B033A4 /* Products */,
 				86D784A61C24C39F00C7458D /* libirc_errors.h in Headers */,
 				86F2EFF91C21F81900B033A4 /* IRCClientChannel.h in Headers */,
 				86F2EFFB1C21F81900B033A4 /* IRCClientChannelDelegate.h in Headers */,
+				8657E6DD1C29F4C700BD4E50 /* NSData+SA_NSDataExtensions.h in Headers */,
 				86F2EFFC1C21F81900B033A4 /* IRCClientSession.h in Headers */,
 				86D784A71C24C39F00C7458D /* libirc_events.h in Headers */,
 				86D784A91C24C39F00C7458D /* libirc_rfcnumeric.h in Headers */,
 			buildActionMask = 2147483647;
 			files = (
 				86F2EFFD1C21F81900B033A4 /* IRCClientSession.m in Sources */,
+				8657E6DE1C29F4C700BD4E50 /* NSData+SA_NSDataExtensions.m in Sources */,
 				86F2EFFA1C21F81900B033A4 /* IRCClientChannel.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 					"DEBUG=1",
 					"$(inherited)",
 				);
-				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				GCC_TREAT_WARNINGS_AS_ERRORS = NO;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_MISSING_FIELD_INITIALIZERS = YES;
 				GCC_WARN_ABOUT_MISSING_NEWLINE = YES;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu99;
 				GCC_NO_COMMON_BLOCKS = YES;
-				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				GCC_TREAT_WARNINGS_AS_ERRORS = NO;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_MISSING_FIELD_INITIALIZERS = YES;
 				GCC_WARN_ABOUT_MISSING_NEWLINE = YES;
 				DYLIB_CURRENT_VERSION = 2.0;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				FRAMEWORK_VERSION = A;
-				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				GCC_TREAT_WARNINGS_AS_ERRORS = NO;
 				GCC_WARN_ABOUT_MISSING_FIELD_INITIALIZERS = YES;
 				GCC_WARN_ABOUT_MISSING_NEWLINE = YES;
 				GCC_WARN_INITIALIZER_NOT_FULLY_BRACKETED = YES;
 				DYLIB_CURRENT_VERSION = 2.0;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				FRAMEWORK_VERSION = A;
-				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
+				GCC_TREAT_WARNINGS_AS_ERRORS = NO;
 				GCC_WARN_ABOUT_MISSING_FIELD_INITIALIZERS = YES;
 				GCC_WARN_ABOUT_MISSING_NEWLINE = YES;
 				GCC_WARN_INITIALIZER_NOT_FULLY_BRACKETED = YES;

IRCClient/IRCClientChannel.m

 
 #import "IRCClientChannel.h"
 #import "IRCClientChannel_Private.h"
+#import "NSData+SA_NSDataExtensions.h"
 
 /*********************************************/
 #pragma mark IRCClientChannel private category
 
 - (int)part
 {
-	return irc_cmd_part(_irc_session, _name.bytes);
+	return irc_cmd_part(_irc_session, _name.SA_terminatedCString);
 }
 
 - (int)invite:(NSString *)nick
 {
-	return irc_cmd_invite(_irc_session, nick.UTF8String, _name.bytes);
+	return irc_cmd_invite(_irc_session, nick.UTF8String, _name.SA_terminatedCString);
 }
 
 - (int)refreshNames
 {
-	return irc_cmd_names(_irc_session, _name.bytes);
+	return irc_cmd_names(_irc_session, _name.SA_terminatedCString);
 }
 
 - (void)setChannelTopic:(NSString *)newTopic
 {	
-	irc_cmd_topic(_irc_session, _name.bytes, [newTopic cStringUsingEncoding:_encoding]);
+	irc_cmd_topic(_irc_session, _name.SA_terminatedCString, [newTopic cStringUsingEncoding:_encoding]);
 }
 
 - (int)setMode:(NSString *)mode params:(NSString *)params
 	if(params != nil && params.length > 0)
 		[modeString appendFormat:@" %@", params];
 	
-	return irc_cmd_channel_mode(_irc_session, _name.bytes, modeString.UTF8String);
+	return irc_cmd_channel_mode(_irc_session, _name.SA_terminatedCString, modeString.UTF8String);
 }
 
 - (int)message:(NSString *)message
 {
-	return irc_cmd_msg(_irc_session, _name.bytes, [message cStringUsingEncoding:_encoding]);
+	return irc_cmd_msg(_irc_session, _name.SA_terminatedCString, [message cStringUsingEncoding:_encoding]);
 }
 
 - (int)action:(NSString *)action
 {
-	return irc_cmd_me(_irc_session, _name.bytes, [action cStringUsingEncoding:_encoding]);
+	return irc_cmd_me(_irc_session, _name.SA_terminatedCString, [action cStringUsingEncoding:_encoding]);
 }
 
 - (int)notice:(NSString *)notice
 {
-	return irc_cmd_notice(_irc_session, _name.bytes, [notice cStringUsingEncoding:_encoding]);
+	return irc_cmd_notice(_irc_session, _name.SA_terminatedCString, [notice cStringUsingEncoding:_encoding]);
 }
 
 - (int)kick:(NSString *)nick reason:(NSString *)reason
 {
-	return irc_cmd_kick(_irc_session, nick.UTF8String, _name.bytes, [reason cStringUsingEncoding:_encoding]);
+	return irc_cmd_kick(_irc_session, nick.UTF8String, _name.SA_terminatedCString, [reason cStringUsingEncoding:_encoding]);
 }
 
 - (int)ctcpRequest:(NSData *)request
 {
-	return irc_cmd_ctcp_request(_irc_session, _name.bytes, request.bytes);
+	return irc_cmd_ctcp_request(_irc_session, _name.SA_terminatedCString, request.SA_terminatedCString);
 }
 
 /****************************/
 
 - (void)userParted:(NSString *)nick withReason:(NSData *)reason us:(BOOL)wasItUs
 {
-	NSString* reasonString = [[NSString alloc] initWithData:reason encoding:_encoding];
+	NSString* reasonString = [NSString stringWithCString:reason.SA_terminatedCString encoding:_encoding];
 	[_delegate userParted:nick withReason:reasonString us:wasItUs];
 }
 
 {
 	_topic = topic;
 	
-	NSString* topicString = [[NSString alloc] initWithData:_topic encoding:_encoding];
+	NSString* topicString = [NSString stringWithCString:topic.SA_terminatedCString encoding:_encoding];
 	[_delegate topicSet:topicString by:nick];
 }
 
 - (void)userKicked:(NSString *)nick withReason:(NSData *)reason by:(NSString *)byNick us:(BOOL)wasItUs
 {
-	NSString* reasonString = [[NSString alloc] initWithData:reason encoding:_encoding];
+	NSString* reasonString = [NSString stringWithCString:reason.SA_terminatedCString encoding:_encoding];
 	[_delegate userKicked:nick withReason:reasonString by:byNick us:wasItUs];
 }
 
 - (void)messageSent:(NSData *)message byUser:(NSString *)nick
 {
-	NSString* messageString = [[NSString alloc] initWithData:message encoding:_encoding];
+	NSString* messageString = [NSString stringWithCString:message.SA_terminatedCString encoding:_encoding];
 	[_delegate messageSent:messageString byUser:nick];
 }
 
 - (void)noticeSent:(NSData *)notice byUser:(NSString *)nick
 {
-	NSString* noticeString = [[NSString alloc] initWithData:notice encoding:_encoding];
+	NSString* noticeString = [NSString stringWithCString:notice.SA_terminatedCString encoding:_encoding];
 	[_delegate noticeSent:noticeString byUser:nick];
 }
 
 - (void)actionPerformed:(NSData *)action byUser:(NSString *)nick
 {
-	NSString* actionString = [[NSString alloc] initWithData:action encoding:_encoding];
+	NSString* actionString = [NSString stringWithCString:action.SA_terminatedCString encoding:_encoding];
 	[_delegate actionPerformed:actionString byUser:nick];
 }
 

IRCClient/IRCClientSession.m

 #import "IRCClientSession.h"
 #import "IRCClientChannel.h"
 #import "IRCClientChannel_Private.h"
+#import "NSData+SA_NSDataExtensions.h"
 #include "string.h"
 
 #pragma mark - Callback function declarations
 
 - (int)connect;
 {
-	return irc_connect(_irc_session, _server.UTF8String, (unsigned short) _port, (_password.length > 0 ? _password.bytes : NULL), _nickname.UTF8String, _username.UTF8String, _realname.UTF8String);
+	return irc_connect(_irc_session, _server.UTF8String, (unsigned short) _port, (_password.length > 0 ? _password.SA_terminatedCString : NULL), _nickname.UTF8String, _username.UTF8String, _realname.UTF8String);
 }
 
 - (void)disconnect
 
 - (int)sendRaw:(NSData *)message
 {
-	return irc_send_raw(_irc_session, message.bytes);
+	return irc_send_raw(_irc_session, message.SA_terminatedCString);
 }
 
 - (int)quit:(NSData *)reason
 {
-	return irc_cmd_quit(_irc_session, reason.bytes);
+	return irc_cmd_quit(_irc_session, reason.SA_terminatedCString);
 }
 
 - (int)join:(NSData *)channel key:(NSData *)key
 	NSLog(@"Joining %@", channel);
 	
 	if (!key || !key.length > 0)
-		return irc_cmd_join(_irc_session, channel.bytes, NULL);
+		return irc_cmd_join(_irc_session, channel.SA_terminatedCString, NULL);
 
-	return irc_cmd_join(_irc_session, channel.bytes, key.bytes);
+	return irc_cmd_join(_irc_session, channel.SA_terminatedCString, key.SA_terminatedCString);
 }
 
 - (int)list:(NSData *)channel
 {
-	return irc_cmd_list(_irc_session, channel.bytes);
+	return irc_cmd_list(_irc_session, channel.SA_terminatedCString);
 }
 
 - (int)userMode:(NSString *)mode
 
 - (int)message:(NSData *)message to:(NSString *)target
 {
-	return irc_cmd_msg(_irc_session, target.UTF8String, message.bytes);
+	return irc_cmd_msg(_irc_session, target.UTF8String, message.SA_terminatedCString);
 }
 
 - (int)action:(NSData *)action to:(NSString *)target
 {
-	return irc_cmd_me(_irc_session, target.UTF8String, action.bytes);
+	return irc_cmd_me(_irc_session, target.UTF8String, action.SA_terminatedCString);
 }
 
 - (int)notice:(NSData *)notice to:(NSString *)target
 {
-	return irc_cmd_notice(_irc_session, target.UTF8String, notice.bytes);
+	return irc_cmd_notice(_irc_session, target.UTF8String, notice.SA_terminatedCString);
 }
 
 - (int)ctcpRequest:(NSData *)request target:(NSString *)target
 {
-	return irc_cmd_ctcp_request(_irc_session, target.UTF8String, request.bytes);
+	return irc_cmd_ctcp_request(_irc_session, target.UTF8String, request.SA_terminatedCString);
 }
 
 - (int)ctcpReply:(NSData *)reply target:(NSString *)target
 {
-	return irc_cmd_ctcp_reply(_irc_session, target.UTF8String, reply.bytes);
+	return irc_cmd_ctcp_reply(_irc_session, target.UTF8String, reply.SA_terminatedCString);
 }
 
 /****************************/
 	
 	if(reason)
 	{
-		reasonString = [[NSString alloc] initWithData:reason encoding:_encoding];
+		reasonString = [NSString stringWithCString:reason.SA_terminatedCString encoding:_encoding];
 	}
 	
 	[_delegate userQuit:nick withReason:reasonString];
 
 - (void)privateMessageReceived:(NSData *)message fromUser:(NSString *)nick
 {
-	NSString* messageString = [[NSString alloc] initWithData:message encoding:_encoding];
+	NSString* messageString = [NSString stringWithCString:message.SA_terminatedCString encoding:_encoding];
 	
 	[_delegate privateMessageReceived:messageString fromUser:nick];
 }
 
 - (void)privateNoticeReceived:(NSData *)notice fromUser:(NSString *)nick
 {
-	NSString* noticeString = [[NSString alloc] initWithData:notice encoding:_encoding];
+	NSString* noticeString = [NSString stringWithCString:notice.SA_terminatedCString encoding:_encoding];
 	
 	[_delegate privateNoticeReceived:noticeString fromUser:nick];
 }
 - (void)CTCPRequestReceived:(NSData *)request fromUser:(NSString *)nick
 {
 	const char* the_nick = getNickFromNickUserHost(nick).UTF8String;
-	const char* the_request = request.bytes;
+	const char* the_request = request.SA_terminatedCString;
 	
 	if (strstr(the_request, "PING") == the_request)
 	{
 			char* request_type = strtok(request_string, " ");
 			char* request_body = strtok(NULL, " " );
 			
-			[_delegate CTCPRequestReceived:[NSData dataWithBytes:request_body length:strlen(request_body)+1] ofType:[NSData dataWithBytes:request_type length:strlen(request_type)+1] fromUser:nick];
+			[_delegate CTCPRequestReceived:[NSData dataWithBytes:request_body length:strlen(request_body) + 1] ofType:[NSData dataWithBytes:request_type length:strlen(request_type) + 1] fromUser:nick];
 			
 			free(request_string);
 		}
 	else
 	{
 		// An action in a private message
-		NSString* actionString = [[NSString alloc] initWithData:action encoding:_encoding];
+		NSString* actionString = [NSString stringWithCString:action.SA_terminatedCString encoding:_encoding];
 		[_delegate privateCTCPActionReceived:actionString fromUser:nick];
 	}
 }
 	NSData *reason = nil;
 	if(count > 0)
 	{
-		reason = [[NSData alloc] initWithBytes:params[0] length:strlen(params[0])];
+		reason = [[NSData alloc] initWithBytes:params[0] length:strlen(params[0]) + 1];
 	}
 
 	[clientSession userQuit:nick withReason:reason];
 	
 	if (count > 1)
 	{
-		reason = [NSData dataWithBytes:params[1] length:strlen(params[1])+1];
+		reason = [NSData dataWithBytes:params[1] length:strlen(params[1])];
 	}
 	
 	[clientSession userParted:nick channel:channelName withReason:reason];
 	
 	if (count > 1)
 	{
-		topic = [NSData dataWithBytes:params[1] length:strlen(params[1])];
+		topic = [NSData dataWithBytes:params[1] length:strlen(params[1]) + 1];
 	}
 	
 	[clientSession topicSet:topic forChannel:channelName by:nick];
 {
 	IRCClientSession *clientSession = (__bridge IRCClientSession *) irc_get_ctx(session);
 	NSString *byNick = @(origin);
-	NSData *channelName = [NSData dataWithBytes:params[0] length:strlen(params[0])];
+	NSData *channelName = [NSData dataWithBytes:params[0] length:strlen(params[0]) + 1];
 	NSString *nick = nil;
 	NSData *reason = nil;
 	
 	
 	if (count > 2)
 	{
-		reason = [NSData dataWithBytes:params[2] length:strlen(params[2])];
+		reason = [NSData dataWithBytes:params[2] length:strlen(params[2]) + 1];
 	}
 	
 	[clientSession userKicked:nick fromChannel:channelName by:byNick withReason:reason];
 {
 	IRCClientSession *clientSession = (__bridge IRCClientSession *) irc_get_ctx(session);
 	NSString *nick = @(origin);
-	NSData *channelName = [NSData dataWithBytes:params[0] length:strlen(params[0])];
+	NSData *channelName = [NSData dataWithBytes:params[0] length:strlen(params[0]) + 1];
 	NSData *message = nil;
 	
 	if (count > 1)
 	{
-		message = [NSData dataWithBytes:params[1] length:strlen(params[1])];
+		message = [NSData dataWithBytes:params[1] length:strlen(params[1]) + 1];
 	}
 
 	[clientSession messageSent:message toChannel:channelName byUser:nick];
 
 	if (count > 1)
 	{
-		message = [NSData dataWithBytes:params[1] length:strlen(params[1])];
+		message = [NSData dataWithBytes:params[1] length:strlen(params[1]) + 1];
 	}
 	
 	[clientSession privateMessageReceived:message fromUser:nick];
 	
 	if (count > 1)
 	{
-		notice = [NSData dataWithBytes:params[1] length:strlen(params[1])];
+		notice = [NSData dataWithBytes:params[1] length:strlen(params[1]) + 1];
 	}
 	
 	[clientSession privateNoticeReceived:notice fromUser:nick];
 {
 	IRCClientSession *clientSession = (__bridge IRCClientSession *) irc_get_ctx(session);
 	NSString *nick = @(origin);
-	NSData *channelName = [NSData dataWithBytes:params[0] length:strlen(params[0])];
+	NSData *channelName = [NSData dataWithBytes:params[0] length:strlen(params[0]) + 1];
 	NSData *notice = nil;
 	
 	if (count > 1)
 	{
-		notice = [NSData dataWithBytes:params[1] length:strlen(params[1])];
+		notice = [NSData dataWithBytes:params[1] length:strlen(params[1]) + 1];
 	}
 
 	[clientSession noticeSent:notice toChannel:channelName byUser:nick];
 {
 	IRCClientSession *clientSession = (__bridge IRCClientSession *) irc_get_ctx(session);
 	NSString *nick = @(origin);
-	NSData *channelName = [NSData dataWithBytes:params[1] length:strlen(params[1])];
+	NSData *channelName = [NSData dataWithBytes:params[1] length:strlen(params[1]) + 1];
 	
 	[clientSession invitedToChannel:channelName by:nick];
 }
 {
 	IRCClientSession *clientSession = (__bridge IRCClientSession *) irc_get_ctx(session);
 	NSString *nick = @(origin);
-	NSData* request = [NSData dataWithBytes:params[0] length:strlen(params[0])];
+	NSData* request = [NSData dataWithBytes:params[0] length:strlen(params[0]) + 1];
 	
 	[clientSession CTCPRequestReceived:request fromUser:nick];
 }
 	IRCClientSession *clientSession = (__bridge IRCClientSession *) irc_get_ctx(session);
 	
 	NSString *nick = @(origin);
-	NSData *reply = [NSData dataWithBytes:params[0] length:strlen(params[0])];
+	NSData *reply = [NSData dataWithBytes:params[0] length:strlen(params[0]) + 1];
 	
 	[clientSession CTCPReplyReceived:reply fromUser:nick];
 }
 	IRCClientSession *clientSession = (__bridge IRCClientSession *) irc_get_ctx(session);
 	
 	NSString *nick = @(origin);
-	NSData *target = [NSData dataWithBytes:params[0] length:strlen(params[0])];
-	NSData *action = [NSData dataWithBytes:params[1] length:strlen(params[1])];
+	NSData *target = [NSData dataWithBytes:params[0] length:strlen(params[0]) + 1];
+	NSData *action = [NSData dataWithBytes:params[1] length:strlen(params[1]) + 1];
 	
 	[clientSession CTCPActionPerformed:action byUser:nick atTarget:target];
 }
 static void onUnknownEvent(irc_session_t *session, const char *event, const char *origin, const char **params, unsigned int count)
 {
 	IRCClientSession *clientSession = (__bridge IRCClientSession *) irc_get_ctx(session);
-	NSData *eventString = [NSData dataWithBytes:event length:strlen(event)];
+	NSData *eventString = [NSData dataWithBytes:event length:strlen(event) + 1];
 	NSString *sender = nil;
 	
 	if (origin != NULL)
 	NSMutableArray *paramsArray = [[NSMutableArray alloc] init];
 	
 	for (unsigned int i = 0; i < count; i++)
-		[paramsArray addObject:[NSData dataWithBytes:params[i] length:strlen(params[i])]];
+		[paramsArray addObject:[NSData dataWithBytes:params[i] length:strlen(params[i]) + 1]];
 	
 	[clientSession unknownEventReceived:eventString from:sender params:[paramsArray copy]];
 }
 	NSMutableArray *paramsArray = [[NSMutableArray alloc] init];
 	
 	for (unsigned int i = 0; i < count; i++)
-		[paramsArray addObject:[NSData dataWithBytes:params[i] length:strlen(params[i])]];
+		[paramsArray addObject:[NSData dataWithBytes:params[i] length:strlen(params[i]) + 1]];
 	
 	[clientSession numericEventReceived:eventNumber from:sender params:[paramsArray copy]];
 }