From: everHannes <hannes.ahrens@everbase.net>
Date: Mon, 31 Aug 2015 15:07:17 +0000 (+0200)
Subject: add wsa error code to errnostrsocket for easier error lookup
X-Git-Url: http://git.meshlink.io/?p=catta;a=commitdiff_plain;h=f195c1bda3616129bc28d33aae71f9d2dd9047ce

add wsa error code to errnostrsocket for easier error lookup
---

diff --git a/src/compat/windows/wincompat.c b/src/compat/windows/wincompat.c
index 93a557e..63f3e7d 100644
--- a/src/compat/windows/wincompat.c
+++ b/src/compat/windows/wincompat.c
@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <assert.h>
 #include <stdint.h>
+#include <stdio.h>
 
 #include <catta/log.h>
 
@@ -50,8 +51,10 @@ char *errnostrsocket(void)
 {
     static char buf[256];
 
+    int err = WSAGetLastError();
+    int len = snprintf(buf, sizeof(buf), "[%i] ", err);
     FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
-                  NULL, WSAGetLastError(), 0, buf, sizeof(buf), NULL);
+                  NULL, err, 0, buf + len, sizeof(buf) - len, NULL);
 
     return buf;
 }