Utils::strtol only used in the app

app/app_utils.cpp

@@ -0,0 +1,22 @@
+#include "utils.hpp"
+
+#include <cstdlib>
+#include <climits>
+
+namespace Util
+{
+    bool strtol(const char* nptr, long& n)
+    {
+        if (!nptr || *nptr == '\0')
+            return false;
+        char* endptr = nullptr;
+        long tmp = std::strtol(nptr, &endptr, 10);
+        if (*endptr != '\0')
+            return false;
+        if (tmp == LONG_MAX || tmp == LONG_MIN)
+            return false;
+        n = tmp;
+        return true;
+    }
+
+}  // namespace Util