linux error print handling improved

osal/linux/unixUtility.cpp

@@ -0,0 +1,32 @@
+#include "FSFWConfig.h"
+#include "unixUtility.h"
+#include "../../serviceinterface/ServiceInterface.h"
+
+#include <cstring>
+#include <errno.h>
+
+void utility::printUnixErrorGeneric(const char* const className,
+        const char* const function, const char* const failString,
+        sif::OutputTypes outputType) {
+    if(className == nullptr or failString == nullptr or function == nullptr) {
+        return;
+    }
+#if FSFW_VERBOSE_LEVEL >= 1
+    if(outputType == sif::OutputTypes::OUT_ERROR) {
+#if FSFW_CPP_OSTREAM_ENABLED == 1
+    sif::error << className << "::" << function << ":"  << failString << " error: "
+            << strerror(errno)  << std::endl;
+#else
+    sif::printError("%s::%s: %s error: %s\n", className, function, failString, strerror(errno));
+#endif
+    }
+    else {
+#if FSFW_CPP_OSTREAM_ENABLED == 1
+    sif::warning << className << "::" << function << ":"  << failString << " error: "
+            << strerror(errno)  << std::endl;
+#else
+    sif::printWarning("%s::%s: %s error: %s\n", className, function, failString, strerror(errno));
+#endif
+    }
+#endif
+}