Blocked compilation of plugins that use unavailable functions

- Rather than failing at runtime, plugins that try to access
  non-interfaced, unavailable functions or variables, will now show an
  error at compile-time.

Signed-off-by: Haru <haru@dotalux.com>

5 files changed, 20 insertions, 3 deletions

diff --git a/src/login/HPMlogin.h b/src/login/HPMlogin.h
index 6bdc0fb7b..6e01eae01 100644
--- a/src/login/HPMlogin.h
+++ b/src/login/HPMlogin.h
@@ -4,6 +4,10 @@
 #ifndef LOGIN_HPMLOGIN_H
 #define LOGIN_HPMLOGIN_H
 
+#ifndef HERCULES_CORE
+#error You should never include HPMlogin.h from a plugin.
+#endif
+
 #include "../common/cbasetypes.h"
 #include "../common/HPM.h"
 
diff --git a/src/login/account.h b/src/login/account.h
index fb7368d69..82ae28bbb 100644
--- a/src/login/account.h
+++ b/src/login/account.h
@@ -13,8 +13,10 @@ typedef struct AccountDB AccountDB;
 typedef struct AccountDBIterator AccountDBIterator;
 
 
+#ifdef HERCULES_CORE
 // standard engines
 AccountDB* account_db_sql(void);
+#endif // HERCULES_CORE
 
 struct mmo_account
 {
@@ -139,9 +141,11 @@ struct AccountDB
 	AccountDBIterator* (*iterator)(AccountDB* self);
 };
 
+#ifdef HERCULES_CORE
 Sql *account_db_sql_up(AccountDB* self);
 
 void mmo_send_accreg2(AccountDB* self, int fd, int account_id, int char_id);
 void mmo_save_accreg2(AccountDB* self, int fd, int account_id, int char_id);
+#endif // HERCULES_CORE
 
 #endif /* LOGIN_ACCOUNT_H */
diff --git a/src/login/ipban.h b/src/login/ipban.h
index b4f3ac51b..c6535ec10 100644
--- a/src/login/ipban.h
+++ b/src/login/ipban.h
@@ -6,6 +6,8 @@
 
 #include "../common/cbasetypes.h"
 
+#ifdef HERCULES_CORE
+// TODO: Interface
 // initialize
 void ipban_init(void);
 
@@ -19,7 +21,7 @@ bool ipban_check(uint32 ip);
 void ipban_log(uint32 ip);
 
 // parses configuration option
-bool ipban_config_read(const char* key, const char* value);
-
+bool ipban_config_read(const char *key, const char* value);
+#endif // HERCULES_CORE
 
 #endif /* LOGIN_IPBAN_H */
diff --git a/src/login/login.h b/src/login/login.h
index 4c9bbd8b7..8a377927b 100644
--- a/src/login/login.h
+++ b/src/login/login.h
@@ -23,7 +23,7 @@ enum E_LOGINSERVER_ST
 
 // supported encryption types: 1- passwordencrypt, 2- passwordencrypt2, 3- both
 #define PASSWORDENC 3
-#define PASSWD_LEN 32+1 // 23+1 for plaintext, 32+1 for md5-ed passwords
+#define PASSWD_LEN (32+1) // 23+1 for plaintext, 32+1 for md5-ed passwords
 
 struct login_session_data {
 	int account_id;
@@ -130,8 +130,10 @@ struct online_login_data {
 #define sex_str2num(str) ( ((str) == 'F') ? SEX_FEMALE : ((str) == 'M') ? SEX_MALE : SEX_SERVER )
 
 #define MAX_SERVERS 30
+#ifdef HERCULES_CORE
 extern struct mmo_char_server server[MAX_SERVERS];
 extern struct Login_Config login_config;
+#endif // HERCULES_CORE
 
 /**
  * Login.c Interface
@@ -202,6 +204,8 @@ struct login_interface {
 
 struct login_interface *login;
 
+#ifdef HERCULES_CORE
 void login_defaults(void);
+#endif // HERCULES_CORE
 
 #endif /* LOGIN_LOGIN_H */
diff --git a/src/login/loginlog.h b/src/login/loginlog.h
index 52e18f3d1..2104ff277 100644
--- a/src/login/loginlog.h
+++ b/src/login/loginlog.h
@@ -6,10 +6,13 @@
 
 #include "../common/cbasetypes.h"
 
+#ifdef HERCULES_CORE
+// TODO: Interface
 unsigned long loginlog_failedattempts(uint32 ip, unsigned int minutes);
 void login_log(uint32 ip, const char* username, int rcode, const char* message);
 bool loginlog_init(void);
 bool loginlog_final(void);
 bool loginlog_config_read(const char* w1, const char* w2);
+#endif // HERCULES_CORE
 
 #endif /* LOGIN_LOGINLOG_H */