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shared/HResult.c

@@ -0,0 +1,20 @@
+#include <windows.h>
+#include "WUErrors.h"
+
+EXTERN_C LPWSTR GetMessageForHresult(HRESULT hr) {
+	LPWSTR message;
+	for (int i = 0; WUErrorMessages[i].hr != 0; i++) {
+		if (WUErrorMessages[i].hr == hr) {
+			message = (LPWSTR)LocalAlloc(LPTR, 4096 * sizeof(WCHAR));
+			lstrcpy(message, WUErrorMessages[i].message);
+			return message;
+		}
+	}
+
+	if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, hr, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&message, 0, NULL) == 0) {
+		message = (LPWSTR)LocalAlloc(LPTR, 1024 * sizeof(WCHAR));
+		wsprintf(message, L"Error 0x%08x", hr);
+	}
+
+	return message;
+}