# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1587944728 -10800
# Node ID 84d7b33c4e83e8400c843ea19a80354ceb756942
# Parent  11eb7c30889edf8441057cabc94ef098a38eaa5f
Change how --help option is handled, and plug some memory leaks in
configuration handling.

diff -r 11eb7c30889e -r 84d7b33c4e83 main.c
--- a/main.c	Tue Mar 10 17:01:22 2020 +0200
+++ b/main.c	Mon Apr 27 02:45:28 2020 +0300
@@ -92,7 +92,8 @@
         optDebug = FALSE,
         optLogEnable = FALSE,
         optLogDaily = FALSE,
-        optOnlyFriendPrv = FALSE;
+        optOnlyFriendPrv = FALSE,
+        optShowHelp = FALSE;
 
 char *setHomeDir = NULL, *setConfigDir = NULL, *setProxyURI = NULL;
 th_llist_t *setIgnoreList = NULL,
@@ -294,8 +295,7 @@
     switch (optN)
     {
     case 0:
-        argShowHelp();
-        exit(0);
+        optShowHelp = TRUE;
         break;
 
     case 1:
@@ -1942,6 +1942,21 @@
 }
 
 
+void nn_cfg_free(th_cfgitem_t *node)
+{
+    switch (node->type)
+    {
+        case ITEM_STRING:
+            th_free(*(node->v.val_str));
+            break;
+
+        case ITEM_STRING_LIST:
+            th_llist_free_func_data(*(node->v.list), th_free);
+            break;
+    }
+}
+
+
 int main(int argc, char *argv[])
 {
     char *tmpStr;
@@ -2072,9 +2087,14 @@
 
     optNickSep = optNickSepStr ? optNickSepStr[0] : SET_NICK_SEPARATOR;
 
-    setBrowser = getenv("BROWSER");
-    if (setBrowser == NULL || setBrowser[0] == 0)
-        setBrowser = "firefox";
+    if (setBrowser == NULL)
+    {
+        setBrowser = getenv("BROWSER");
+        if (setBrowser == NULL || setBrowser[0] == 0)
+            setBrowser = "firefox";
+
+        setBrowser = th_strdup(setBrowser);
+    }
 
     if (optLogPath == NULL && setHomeDir != NULL)
     {
@@ -2126,18 +2146,24 @@
     if (optUserNameCmd != NULL)
     {
         THMSG(1, "Username set on commandline.\n");
-        optUserName = optUserNameCmd;
-        optPassword = optPasswordCmd;
+        th_pstr_cpy(&optUserName, optUserNameCmd);
+        th_pstr_cpy(&optPassword, optPasswordCmd);
     }
 
     if (!argsOK)
-        return -2;
+        goto err_exit;
+
+    if (optShowHelp)
+    {
+        argShowHelp();
+        goto err_exit;
+    }
 
     // Allocate userhash
     if ((nnUsers = nn_userhash_new()) == NULL)
     {
         THERR("Could not allocate userhash. Fatal error.\n");
-        return -105;
+        goto err_exit;
     }
 
     // If no idle messages are set, add default
@@ -2355,13 +2381,13 @@
         th_free(tmp);
     }
 
-    th_cfg_free(cfg);
     th_free(setHomeDir);
     th_free(setConfigDir);
-    th_llist_free_func_data(setIdleMessages, th_free);
     nn_userhash_free(nnUsers);
     nn_editbuf_free(editBuf);
 
+    th_cfg_free(cfg, nn_cfg_free);
+
     for (index = 0; index <= SET_MAX_HISTORY; index++)
         nn_editbuf_free(editHistBuf[index]);