const correctness fixes

include/znc/Chan.h

@@ -60,7 +60,7 @@ public:
 	~CChan();
 
 	void Reset();
-	CConfig ToConfig();
+	CConfig ToConfig() const;
 	void Clone(CChan& chan);
 	void Cycle() const;
 	void JoinUser(bool bForce = false, const CString& sKey = "", CClient* pClient = NULL);

include/znc/Client.h

@@ -131,7 +131,7 @@ public:
 	void PutModule(const CString& sModule, const CString& sLine);
 	void PutModNotice(const CString& sModule, const CString& sLine);
 
-	bool IsCapEnabled(const CString& sCap) { return 1 == m_ssAcceptedCaps.count(sCap); }
+	bool IsCapEnabled(const CString& sCap) const { return 1 == m_ssAcceptedCaps.count(sCap); }
 
 	virtual void ReadLine(const CString& sData);
 	bool SendMotd();
@@ -151,7 +151,7 @@ public:
 	const std::vector<CClient*>& GetClients() const;
 	const CIRCSock* GetIRCSock() const;
 	CIRCSock* GetIRCSock();
-	CString GetFullName();
+	CString GetFullName() const;
 private:
 	void HandleCap(const CString& sLine);
 	void RespondCap(const CString& sResponse);

include/znc/FileUtils.h

@@ -238,8 +238,8 @@ public:
 		return uRet;
 	}
 
-	CFile::EFileAttr GetSortAttr() { return m_eSortAttr; }
-	bool IsDescending() { return m_bDesc; }
+	CFile::EFileAttr GetSortAttr() const { return m_eSortAttr; }
+	bool IsDescending() const { return m_bDesc; }
 
 	// Check if sPath + "/" + sAdd (~/ is handled) is an absolute path which
 	// resides under sPath. Returns absolute path on success, else "".

include/znc/HTTPSock.h

@@ -56,7 +56,7 @@ public:
 	void ParseURI();
 	void GetPage();
 	static CString GetDate(time_t tm = 0);
-	virtual CString GetRemoteIP();
+	virtual CString GetRemoteIP() const;
 
 	// Cookies
 	CString GetRequestCookie(const CString& sKey) const;

include/znc/IRCNetwork.h

@@ -57,12 +57,12 @@ public:
 
 	void Clone(const CIRCNetwork& Network, bool bCloneName = true);
 
-	CString GetNetworkPath();
+	CString GetNetworkPath() const;
 
 	void DelServers();
 
 	bool ParseConfig(CConfig *pConfig, CString& sError, bool bUpgrade = false);
-	CConfig ToConfig();
+	CConfig ToConfig() const;
 
 	void BounceAllClients();
 
@@ -71,7 +71,7 @@ public:
 	void ClientConnected(CClient *pClient);
 	void ClientDisconnected(CClient *pClient);
 
-	CUser* GetUser();
+	CUser* GetUser() const;
 	const CString& GetName() const;
 	bool IsNetworkAttached() const { return !m_vClients.empty(); }
 	const std::vector<CClient*>& GetClients() const { return m_vClients; }

include/znc/Modules.h

@@ -978,13 +978,13 @@ public:
 	 *           except when we are in a user-specific module hook in which
 	 *           case this is the user pointer.
 	 */
-	CUser* GetUser() { return m_pUser; }
+	CUser* GetUser() const { return m_pUser; }
 	/** @returns NULL except when we are in a client-specific module hook in
 	 *           which case this is the client for which the hook is called.
 	 */
-	CIRCNetwork* GetNetwork() { return m_pNetwork; }
-	CClient* GetClient() { return m_pClient; }
-	CSockManager* GetManager() { return m_pManager; }
+	CIRCNetwork* GetNetwork() const { return m_pNetwork; }
+	CClient* GetClient() const { return m_pClient; }
+	CSockManager* GetManager() const { return m_pManager; }
 	// !Getters
 
 	// Global Modules
@@ -1114,9 +1114,9 @@ public:
 	void SetUser(CUser* pUser) { m_pUser = pUser; }
 	void SetNetwork(CIRCNetwork* pNetwork) { m_pNetwork = pNetwork; }
 	void SetClient(CClient* pClient) { m_pClient = pClient; }
-	CUser* GetUser() { return m_pUser; }
-	CIRCNetwork* GetNetwork() { return m_pNetwork; }
-	CClient* GetClient() { return m_pClient; }
+	CUser* GetUser() const { return m_pUser; }
+	CIRCNetwork* GetNetwork() const { return m_pNetwork; }
+	CClient* GetClient() const { return m_pClient; }
 
 	void UnloadAll();
 

include/znc/User.h

@@ -57,7 +57,7 @@ public:
 		return CUtils::SaltedSHA256Hash(sPass, sSalt);
 	}
 
-	CConfig ToConfig();
+	CConfig ToConfig() const;
 	bool CheckPass(const CString& sPass) const;
 	bool AddAllowedHost(const CString& sHostMask);
 	bool IsHostAllowed(const CString& sHostMask) const;
@@ -91,7 +91,7 @@ public:
 	void UserConnected(CClient* pClient);
 	void UserDisconnected(CClient* pClient);
 
-	CString GetLocalDCCIP();
+	CString GetLocalDCCIP() const;
 
 	CString ExpandString(const CString& sStr) const;
 	CString& ExpandString(const CString& sStr, CString& sRet) const;
@@ -141,8 +141,8 @@ public:
 	// !Setters
 
 	// Getters
-	std::vector<CClient*> GetAllClients();
 	const std::vector<CClient*>& GetUserClients() const { return m_vClients; }
+	std::vector<CClient*> GetAllClients() const;
 	const CString& GetUserName() const;
 	const CString& GetCleanUserName() const;
 	const CString& GetNick(bool bAllowDefault = true) const;