File gcc7.diff of Package ptokax

From: Jan Engelhardt <jengelh@inai.de>
Date: 2017-06-08 01:30:00.201233233 +0200

Repair some ancient code that newer g++ rightfully flags.

[   49s] error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
[   49s]       if(SetBoolCom[szi] != '\0') {
[   49s]       if(SetShortCom[szi] != '\0') {
[   49s]       if(SetTxtCom[szi] != '\0') {
---
 core/SettingManager.cpp |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

Index: PtokaX/core/SettingManager.cpp
===================================================================
--- PtokaX.orig/core/SettingManager.cpp
+++ PtokaX/core/SettingManager.cpp
@@ -504,12 +504,12 @@ void SettingManager::Save() {
 
     for(size_t szi = 0; szi < SETBOOL_IDS_END; szi++) {
     	// Don't save empty hint
-    	if(SetBoolCom[szi] != '\0') {
+    	if(SetBoolCom[szi] != NULL) {
 			fputs(SetBoolCom[szi], fSettingsFile);
 		}
 
         // Don't save setting with empty id
-        if(SetBoolStr[szi][0] == '\0') {
+        if(SetBoolStr[szi] == NULL || SetBoolStr[szi][0] == '\0') {
             continue;
         }
 
@@ -527,12 +527,12 @@ void SettingManager::Save() {
 
     for(size_t szi = 0; szi < SETSHORT_IDS_END; szi++) {
     	// Don't save empty hint
-    	if(SetShortCom[szi] != '\0') {
+    	if(SetShortCom[szi] != NULL) {
 			fputs(SetShortCom[szi], fSettingsFile);
 		}
 
         // Don't save setting with empty id
-        if(SetShortStr[szi][0] == '\0') {
+        if(SetShortStr[szi] == NULL || SetShortStr[szi][0] == '\0') {
             continue;
         }
 
@@ -550,12 +550,12 @@ void SettingManager::Save() {
 
     for(size_t szi = 0; szi < SETTXT_IDS_END; szi++) {
     	// Don't save empty hint
-    	if(SetTxtCom[szi] != '\0') {
+    	if(SetTxtCom[szi] != NULL) {
 			fputs(SetTxtCom[szi], fSettingsFile);
 		}
 
         // Don't save setting with empty id
-        if(SetTxtStr[szi][0] == '\0') {
+        if(SetTxtStr[szi] == NULL || SetTxtStr[szi][0] == '\0') {
             continue;
         }