writing api for scratch buffer

linux/utility/CMakeLists.txt

@@ -1,4 +1,5 @@
 target_sources(${TARGET_NAME} PUBLIC
+    utility.cpp
 )
 
 

linux/utility/utility.cpp

@@ -0,0 +1,11 @@
+#include "OBSWConfig.h"
+#include "FSFWConfig.h"
+#include "utility.h"
+
+#include "fsfw/serviceinterface/ServiceInterface.h"
+
+void utility::handleSystemError(int retcode, std::string function) {
+#if OBSW_VERBOSE_LEVEL >= 1
+    sif::warning << function << ": System call failed with code " << retcode;
+#endif
+}

linux/utility/utility.h

@@ -0,0 +1,13 @@
+#ifndef LINUX_UTILITY_UTILITY_H_
+#define LINUX_UTILITY_UTILITY_H_
+
+#include "fsfw/returnvalues/HasReturnvaluesIF.h"
+#include <string>
+
+namespace utility {
+
+void handleSystemError(int retcode, std::string function);
+
+}
+
+#endif /* LINUX_UTILITY_UTILITY_H_ */