From e02ad6b1bced7aa17183e8e7a17aae4df88dadaa Mon Sep 17 00:00:00 2001
From: Linus Yang <laokongzi@gmail.com>
Date: Fri, 23 Mar 2018 04:20:25 +0800
Subject: [PATCH] MinGW: Override gai_strerror

---
 src/winsock.c | 14 ++++++++++++++
 src/winsock.h |  6 ++++++
 2 files changed, 20 insertions(+)

diff --git a/src/winsock.c b/src/winsock.c
index bcdebbd0..16197e38 100644
--- a/src/winsock.c
+++ b/src/winsock.c
@@ -109,6 +109,20 @@ ss_error(const char *s)
     }
 }
 
+char *
+ss_gai_strerror(int ecode)
+{
+    static TCHAR buff[GAI_STRERROR_BUFFER_SIZE + 1];
+    FormatMessage(
+        FORMAT_MESSAGE_FROM_SYSTEM |
+        FORMAT_MESSAGE_IGNORE_INSERTS |
+        FORMAT_MESSAGE_MAX_WIDTH_MASK,
+        NULL, ecode,
+        MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),
+        (LPTSTR)buff, GAI_STRERROR_BUFFER_SIZE, NULL);
+    return (char *)buff;
+}
+
 static BOOL
 get_conattr(HANDLE console, WORD *out_attr)
 {
diff --git a/src/winsock.h b/src/winsock.h
index 10ea0e9d..dbb6d97e 100644
--- a/src/winsock.h
+++ b/src/winsock.h
@@ -98,6 +98,12 @@
 #endif
 #define ERROR(s) ss_error(s)
 
+#ifdef gai_strerror
+#undef gai_strerror
+#endif
+#define gai_strerror(e) ss_gai_strerror(e)
+char *ss_gai_strerror(int ecode);
+
 // Missing Unix functions
 #define sleep(x) Sleep((x) * 1000)
 #define bzero(s,n) memset(s,0,n)