1 files changed, 36 insertions, 0 deletions
diff --git a/core/org.eclipse.cdt.core.native/native_src/win/util.c b/core/org.eclipse.cdt.core.native/native_src/win/util.c
index 01b1c35521a..13041c39be6 100644
--- a/core/org.eclipse.cdt.core.native/native_src/win/util.c
+++ b/core/org.eclipse.cdt.core.native/native_src/win/util.c
@@ -151,3 +151,39 @@ int copyTo(wchar_t *target, const wchar_t *source, int cpyLength, int availSpace
 
     return j;
 }
+
+wchar_t *formatWinErrorCode(DWORD messageId) {
+    const wchar_t *NULL_STR = L"(null)";
+    size_t size = 0;
+    wchar_t *msg = NULL;
+
+    DWORD langId[] = {
+        MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), // US English
+        MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT),    // Any English
+        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),    // User default language
+        0                                             // Let FormatMessage lookup the right language
+    };
+    wchar_t *winBuf = NULL;
+
+    /* Format the message */
+    for (size_t i = 0; i < sizeof(langId) / sizeof(langId[0]); i++) {
+        if (FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+                           NULL, messageId, langId[i], (wchar_t *)&winBuf, 0, NULL) == 0) {
+            winBuf = NULL;
+        }
+
+        if (winBuf != NULL) {
+            break;
+        }
+    }
+
+    /* Prefix the message */
+    size = 100 + wcslen(winBuf ? winBuf : NULL_STR);
+    msg = (wchar_t *)calloc(size + 1, sizeof(wchar_t));
+    if (msg) {
+        snwprintf(msg, size, L"Code 0x%lx: %s", (unsigned long)messageId, (winBuf ? winBuf : NULL_STR));
+    }
+
+    LocalFree(winBuf);
+    return msg;
+}