From 592939895b055ca99b25406d34921c40346c2dc9 Mon Sep 17 00:00:00 2001
From: scpcom <scpcom@gmx.de>
Date: Fri, 17 Jan 2025 22:40:52 +0100
Subject: [PATCH] support: kvm_system: fix 'const char' and 'std::nullptr_t'
 comparsion

---
 .../kvm_system/main/lib/system_state/system_state.cpp     | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/support/sg2002/kvm_system/main/lib/system_state/system_state.cpp b/support/sg2002/kvm_system/main/lib/system_state/system_state.cpp
index de3b4b1..b217fc9 100644
--- a/support/sg2002/kvm_system/main/lib/system_state/system_state.cpp
+++ b/support/sg2002/kvm_system/main/lib/system_state/system_state.cpp
@@ -51,7 +51,7 @@ int get_ip_addr(ip_addr_t ip_type)
 	switch (ip_type){
 		case ETH_IP: // eth_addr
 			if(strcmp(ip_address()["eth0"].c_str(), (char*)kvm_sys_state.eth_addr) != 0){
-				if(*(ip_address()["eth0"].c_str()) == NULL){
+				if(*(ip_address()["eth0"].c_str()) == 0){
 					printf("can`t get ip addr\r\n");
 					kvm_sys_state.eth_addr[0] = 0;
 					return 0;
@@ -66,7 +66,7 @@ int get_ip_addr(ip_addr_t ip_type)
 			return 1;
 		case WiFi_IP: // wifi_addr
 			if(strcmp(ip_address()["wlan0"].c_str(), (char*)kvm_sys_state.wifi_addr) != 0){
-				if(*(ip_address()["wlan0"].c_str()) == NULL){
+				if(*(ip_address()["wlan0"].c_str()) == 0){
 					printf("can`t get ip addr\r\n");
 					kvm_sys_state.wifi_addr[0] = 0;
 					return 0;
@@ -80,7 +80,7 @@ int get_ip_addr(ip_addr_t ip_type)
 			}
 			return 1;
 		case Tailscale_IP: // tail_addr
-			if(*(ip_address()["tailscale0"].c_str()) == NULL){
+			if(*(ip_address()["tailscale0"].c_str()) == 0){
 				printf("can`t get ip addr\r\n");
 				kvm_sys_state.tail_addr[0] = 0;
 				return 0;
@@ -93,7 +93,7 @@ int get_ip_addr(ip_addr_t ip_type)
 			printf("\r\n");
 			return 1;
 		case RNDIS_IP: // rndis_addr
-			if(*(ip_address()["usb0"].c_str()) == NULL){
+			if(*(ip_address()["usb0"].c_str()) == 0){
 				printf("can`t get ip addr\r\n");
 				kvm_sys_state.rndis_addr[0] = 0;
 				return 0;