From f6d74012b7a583bddf2e3b824193ade91fe09ce7 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Thu, 17 Oct 2013 18:46:56 +0200
Subject: util/Error: add method SetLastError()

---
 src/util/Error.cxx | 16 ++++++++++++++++
 src/util/Error.hxx |  9 +++++++++
 2 files changed, 25 insertions(+)

(limited to 'src/util')

diff --git a/src/util/Error.cxx b/src/util/Error.cxx
index 1e6bd9cff..5675f4d81 100644
--- a/src/util/Error.cxx
+++ b/src/util/Error.cxx
@@ -29,6 +29,10 @@
 
 const Domain errno_domain("errno");
 
+#ifdef WIN32
+const Domain win32_domain("win32");
+#endif
+
 Error::~Error() {}
 
 void
@@ -112,3 +116,15 @@ Error::FormatErrno(const char *fmt, ...)
 
 	SetErrno(e, buffer);
 }
+
+#ifdef WIN32
+
+void
+Error::SetLastError(const char *prefix)
+{
+	DWORD _code = GetLastError();
+	const char *msg = g_win32_error_message(_code);
+	Format(win32_domain, int(_code), "%s: %s", prefix, msg);
+}
+
+#endif
diff --git a/src/util/Error.hxx b/src/util/Error.hxx
index a37211538..facb461dc 100644
--- a/src/util/Error.hxx
+++ b/src/util/Error.hxx
@@ -36,6 +36,11 @@ extern const Domain errno_domain;
 #include <windows.h>
 #define IgnoreError MPDIgnoreError
 #undef GetMessage
+
+/**
+ * Domain for GetLastError().
+ */
+extern const Domain win32_domain;
 #endif
 
 /**
@@ -143,6 +148,10 @@ public:
 	void SetErrno(const char *prefix);
 	void FormatErrno(const char *prefix, ...);
 	void FormatErrno(int e, const char *prefix, ...);
+
+#ifdef WIN32
+	void SetLastError(const char *prefix);
+#endif
 };
 
 /**
-- 
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