Add TWFunc::Exec_Cmd() with no 'result' agrument

Signed-off-by: Vojtech Bocek <vbocek@gmail.com>

Change-Id: Id8acff1ac9b3c7e4b562c80562a8ff42a1d132b9
diff --git a/partition.cpp b/partition.cpp
index 11a4d9e..c1c99f6 100644
--- a/partition.cpp
+++ b/partition.cpp
@@ -684,14 +684,13 @@
 	char command[255], line[512];
 	int include_block = 1;
 	unsigned int min_len;
-	string result;
 
 	if (!Mount(Display_Error))
 		return false;
 
 	min_len = Actual_Block_Device.size() + 2;
 	sprintf(command, "df %s > /tmp/dfoutput.txt", Mount_Point.c_str());
-	TWFunc::Exec_Cmd(command, result);
+	TWFunc::Exec_Cmd(command);
 	fp = fopen("/tmp/dfoutput.txt", "rt");
 	if (fp == NULL) {
 		LOGINFO("Unable to open /tmp/dfoutput.txt.\n");
@@ -921,9 +920,8 @@
 		Update_Size(Display_Error);
 
 	if (!Symlink_Mount_Point.empty()) {
-		string Command, Result;
-		Command = "mount '" + Symlink_Path + "' '" + Symlink_Mount_Point + "'";
-		TWFunc::Exec_Cmd(Command, Result);
+		string Command = "mount '" + Symlink_Path + "' '" + Symlink_Mount_Point + "'";
+		TWFunc::Exec_Cmd(Command);
 	}
 	return true;
 }
@@ -1243,13 +1241,13 @@
 		return false;
 
 	if (TWFunc::Path_Exists("/sbin/mke2fs")) {
-		string command, result;
+		string command;
 
 		gui_print("Formatting %s using mke2fs...\n", Display_Name.c_str());
 		Find_Actual_Block_Device();
 		command = "mke2fs -t " + File_System + " -m 0 " + Actual_Block_Device;
 		LOGINFO("mke2fs command: %s\n", command.c_str());
-		if (TWFunc::Exec_Cmd(command, result) == 0) {
+		if (TWFunc::Exec_Cmd(command) == 0) {
 			Current_File_System = File_System;
 			Recreate_AndSec_Folder();
 			gui_print("Done.\n");
@@ -1278,7 +1276,7 @@
 	}
 #else
 	if (TWFunc::Path_Exists("/sbin/make_ext4fs")) {
-		string Command, result;
+		string Command;
 
 		gui_print("Formatting %s using make_ext4fs...\n", Display_Name.c_str());
 		Find_Actual_Block_Device();
@@ -1295,7 +1293,7 @@
 		}
 		Command += " -a " + Mount_Point + " " + Actual_Block_Device;
 		LOGINFO("make_ext4fs command: %s\n", Command.c_str());
-		if (TWFunc::Exec_Cmd(Command, result) == 0) {
+		if (TWFunc::Exec_Cmd(Command) == 0) {
 			Current_File_System = "ext4";
 			Recreate_AndSec_Folder();
 			gui_print("Done.\n");
@@ -1311,7 +1309,7 @@
 }
 
 bool TWPartition::Wipe_FAT() {
-	string command, result;
+	string command;
 
 	if (TWFunc::Path_Exists("/sbin/mkdosfs")) {
 		if (!UnMount(true))
@@ -1320,7 +1318,7 @@
 		gui_print("Formatting %s using mkdosfs...\n", Display_Name.c_str());
 		Find_Actual_Block_Device();
 		command = "mkdosfs " + Actual_Block_Device;
-		if (TWFunc::Exec_Cmd(command, result) == 0) {
+		if (TWFunc::Exec_Cmd(command) == 0) {
 			Current_File_System = "vfat";
 			Recreate_AndSec_Folder();
 			gui_print("Done.\n");
@@ -1338,7 +1336,7 @@
 }
 
 bool TWPartition::Wipe_EXFAT() {
-	string command, result;
+	string command;
 
 	if (TWFunc::Path_Exists("/sbin/mkexfatfs")) {
 		if (!UnMount(true))
@@ -1347,7 +1345,7 @@
 		gui_print("Formatting %s using mkexfatfs...\n", Display_Name.c_str());
 		Find_Actual_Block_Device();
 		command = "mkexfatfs " + Actual_Block_Device;
-		if (TWFunc::Exec_Cmd(command, result) == 0) {
+		if (TWFunc::Exec_Cmd(command) == 0) {
 			Recreate_AndSec_Folder();
 			gui_print("Done.\n");
 			return true;
@@ -1404,7 +1402,7 @@
 }
 
 bool TWPartition::Wipe_F2FS() {
-	string command, result;
+	string command;
 
 	if (TWFunc::Path_Exists("/sbin/mkfs.f2fs")) {
 		if (!UnMount(true))
@@ -1413,7 +1411,7 @@
 		gui_print("Formatting %s using mkfs.f2fs...\n", Display_Name.c_str());
 		Find_Actual_Block_Device();
 		command = "mkfs.f2fs " + Actual_Block_Device;
-		if (TWFunc::Exec_Cmd(command, result) == 0) {
+		if (TWFunc::Exec_Cmd(command) == 0) {
 			Recreate_AndSec_Folder();
 			gui_print("Done.\n");
 			return true;
@@ -1534,7 +1532,7 @@
 
 bool TWPartition::Backup_DD(string backup_folder) {
 	char back_name[255], backup_size[32];
-	string Full_FileName, Command, result, DD_BS;
+	string Full_FileName, Command, DD_BS;
 	int use_compression;
 
 	sprintf(backup_size, "%llu", Backup_Size);
@@ -1550,7 +1548,7 @@
 
 	Command = "dd if=" + Actual_Block_Device + " of='" + Full_FileName + "'" + " bs=" + DD_BS + "c count=1";
 	LOGINFO("Backup command: '%s'\n", Command.c_str());
-	TWFunc::Exec_Cmd(Command, result);
+	TWFunc::Exec_Cmd(Command);
 	if (TWFunc::Get_File_Size(Full_FileName) == 0) {
 		LOGERR("Backup file size for '%s' is 0 bytes.\n", Full_FileName.c_str());
 		return false;
@@ -1560,7 +1558,7 @@
 
 bool TWPartition::Backup_Dump_Image(string backup_folder) {
 	char back_name[255];
-	string Full_FileName, Command, result;
+	string Full_FileName, Command;
 	int use_compression;
 
 	TWFunc::GUI_Operation_Text(TW_BACKUP_TEXT, Display_Name, "Backing Up");
@@ -1573,7 +1571,7 @@
 
 	Command = "dump_image " + MTD_Name + " '" + Full_FileName + "'";
 	LOGINFO("Backup command: '%s'\n", Command.c_str());
-	TWFunc::Exec_Cmd(Command, result);
+	TWFunc::Exec_Cmd(Command);
 	if (TWFunc::Get_File_Size(Full_FileName) == 0) {
 		// Actual size may not match backup size due to bad blocks on MTD devices so just check for 0 bytes
 		LOGERR("Backup file size for '%s' is 0 bytes.\n", Full_FileName.c_str());
@@ -1637,7 +1635,7 @@
 }
 
 bool TWPartition::Restore_DD(string restore_folder) {
-	string Full_FileName, Command, result;
+	string Full_FileName, Command;
 
 	TWFunc::GUI_Operation_Text(TW_RESTORE_TEXT, Display_Name, "Restoring");
 	Full_FileName = restore_folder + "/" + Backup_FileName;
@@ -1657,22 +1655,22 @@
 	gui_print("Restoring %s...\n", Display_Name.c_str());
 	Command = "dd bs=4096 if='" + Full_FileName + "' of=" + Actual_Block_Device;
 	LOGINFO("Restore command: '%s'\n", Command.c_str());
-	TWFunc::Exec_Cmd(Command, result);
+	TWFunc::Exec_Cmd(Command);
 	return true;
 }
 
 bool TWPartition::Restore_Flash_Image(string restore_folder) {
-	string Full_FileName, Command, result;
+	string Full_FileName, Command;
 
 	gui_print("Restoring %s...\n", Display_Name.c_str());
 	Full_FileName = restore_folder + "/" + Backup_FileName;
 	// Sometimes flash image doesn't like to flash due to the first 2KB matching, so we erase first to ensure that it flashes
 	Command = "erase_image " + MTD_Name;
 	LOGINFO("Erase command: '%s'\n", Command.c_str());
-	TWFunc::Exec_Cmd(Command, result);
+	TWFunc::Exec_Cmd(Command);
 	Command = "flash_image " + MTD_Name + " '" + Full_FileName + "'";
 	LOGINFO("Restore command: '%s'\n", Command.c_str());
-	TWFunc::Exec_Cmd(Command, result);
+	TWFunc::Exec_Cmd(Command);
 	return true;
 }