Use stdio printf instead of iostream

src/configfsisomanager.cpp

@@ -1,4 +1,4 @@
-#include <iostream>
+
 #include <sys/stat.h>
 #include <sys/types.h>
 
@@ -7,6 +7,7 @@
 #include <dirent.h>
 #include <unistd.h>
 #include <string.h>
+#include <stdio.h>
 
 bool supported()
 {
@@ -68,7 +69,7 @@ void mount_iso(char *iso_path, char *cdrom, char *ro)
 	char *gadgetRoot = get_gadget_root();
 	if (gadgetRoot == nullptr)
 	{
-		std::cerr << "No active gadget found" << std::endl;
+		printf("No active gadget found\n");
 		return;
 	}
 	char *configRoot = get_config_root();

src/main.cpp

@@ -1,5 +1,4 @@
 #include "configfsisomanager.h"
-#include <iostream>
 #include <unistd.h>
 #include <stdio.h>
 
@@ -10,12 +9,12 @@ int main(int argc, char* argv[]){
 
 	if (!supported())
 	{
-		std::cerr << "Device does not support configfs usb gadget" << std::endl;
+		printf("Device does not support configfs usb gadget\n");
 		return 1;
 	}
 	if (getuid() != 0)
 	{
-		std::cerr << "Permission denied" << std::endl;
+		printf("Permission denied\n");
 		return 1;
 	}
 	if (argc == 1)

src/util.cpp

@@ -4,7 +4,6 @@
 #include <string.h>  
 #include <sys/stat.h>
 #include <unistd.h>
-#include <iostream>
 #include <fstream>
 #include <sstream>
 #include <array>
@@ -58,7 +57,7 @@ bool isdir(char *path)
 
 void sysfs_write(char *path, char *content)
 {
-	std::cout << "Write: " << content << " -> " << path << std::endl;
+	printf("Write: %s -> %s\n", content, path);
 	std::ofstream sysfsFile(path);
 	sysfsFile << content << std::endl;
 	sysfsFile.close();