From 5935c1be4fd77d3304e0666ba6e3e87aa70d8050 Mon Sep 17 00:00:00 2001
From: Christian Beier <dontmind@freeshell.org>
Date: Tue, 21 Feb 2017 19:07:15 +0100
Subject: Add an rfbLogPError that shows something on WIN32

---
 libvncserver/main.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libvncserver/main.c b/libvncserver/main.c
index dbda77d..27b5437 100644
--- a/libvncserver/main.c
+++ b/libvncserver/main.c
@@ -261,7 +261,16 @@ rfbLogProc rfbErr=rfbDefaultLog;
 
 void rfbLogPerror(const char *str)
 {
+#ifdef WIN32
+    wchar_t *s = NULL;
+    FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 
+                   NULL, errno, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+                   (LPWSTR)&s, 0, NULL);
+    rfbErr("%s: %S\n", str, s);
+    LocalFree(s);
+#else
     rfbErr("%s: %s\n", str, strerror(errno));
+#endif
 }
 
 void rfbScheduleCopyRegion(rfbScreenInfoPtr rfbScreen,sraRegionPtr copyRegion,int dx,int dy)
-- 
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