minor, but important fixes for client part

src/main.h

@@ -41,7 +41,6 @@ enum user_privileges {
 
 enum error_reason {
   NO_REASON,
-  LOGIN,
   EXIT,
 };
 

src/server.c

@@ -73,7 +73,7 @@ void server_main_loop(server_data_t *s_d) {
         if (line != NULL && res) {
           perform_session_action(sess, line, s_d);
           free(line);
-          if (process_error(sess)) {
+          if (sess->state == ERR) {
             close_session(connections, i);
           }
         }

src/user.c

@@ -76,29 +76,9 @@ int login(session *sess, char *pass) {
     session_send_string(sess, tmp_string);
     return 0;
   } else {
-    sess->state = ERR;
-    sess->reason = EXIT;
-    return 1;
-  }
-}
-
-/* returns 1 if session needs to be closed, 0 - in the opposite case */
-int process_error(session *sess) {
-  if (sess->state == ERR) {
-    switch (sess->reason) {
-    case NO_REASON:
-    case EXIT:
-      return 1;
-      break;
-    case LOGIN:
-      session_send_string(sess,
-                          "Can't find the user with such credentials\04\n");
+    sprintf(tmp_string, "login_again>\n");
+    session_send_string(sess, tmp_string);
     sess->state = OP_LOGIN_USR;
-      sess->reason = NO_REASON;
-      session_send_string(sess, "login_again> ");
-      break;
+    return 1;
   }
 }
-
-  return 0;
-}

src/user.h

@@ -3,6 +3,5 @@
 
 #include "main.h"
 int login(session *sess, char *pass);
-int process_error(session *sess);
 int process_user_name(char *uname, session *sess);
 #endif