From bf649df9f2a5a7a68ec952f4486214f233498759 Mon Sep 17 00:00:00 2001
From: David Capello <david@igarastudio.com>
Date: Thu, 6 Jun 2019 12:15:31 -0300
Subject: [PATCH] Add Wine version to user agent string in case that we're
 running Aseprite from Wine

---
 src/updater/user_agent.cpp   |  5 +++++
 src/updater/user_agent_win.c | 31 ++++++++++++++++++++++++-------
 2 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/src/updater/user_agent.cpp b/src/updater/user_agent.cpp
index fb9c448b8..3efbb30e1 100644
--- a/src/updater/user_agent.cpp
+++ b/src/updater/user_agent.cpp
@@ -1,4 +1,5 @@
 // Aseprite
+// Copyright (C) 2019  Igara Studio S.A.
 // Copyright (C) 2001-2017  David Capello
 //
 // This program is distributed under the terms of
@@ -16,6 +17,7 @@
   #include <windows.h>
 
   extern "C" BOOL IsWow64();
+  extern "C" const char* WineVersion();
 
 #elif __APPLE__ // Mac OS X
 
@@ -77,6 +79,9 @@ std::string getUserAgent()
   if (IsWow64())
     userAgent << "; WOW64";
 
+  if (const char* wineVer = WineVersion())
+    userAgent << "; Wine " << wineVer;
+
 #elif __APPLE__
 
   // ----------------------------------------------------------------------
diff --git a/src/updater/user_agent_win.c b/src/updater/user_agent_win.c
index 13788c6cb..86877229a 100644
--- a/src/updater/user_agent_win.c
+++ b/src/updater/user_agent_win.c
@@ -1,4 +1,5 @@
 // Aseprite
+// Copyright (C) 2019  Igara Studio S.A.
 // Copyright (C) 2001-2015  David Capello
 //
 // This program is distributed under the terms of
@@ -10,19 +11,35 @@
 
 #include <windows.h>
 
-typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS)(HANDLE, PBOOL);
+typedef BOOL (WINAPI* LPFN_ISWOW64PROCESS)(HANDLE, PBOOL);
+typedef const char* (CDECL* LPFN_WINE_GET_VERSION)(void);
 
 static LPFN_ISWOW64PROCESS fnIsWow64Process = NULL;
+static LPFN_WINE_GET_VERSION fnWineGetVersion = NULL;
 
 BOOL IsWow64()
 {
+  if (!fnIsWow64Process) {
+    fnIsWow64Process = (LPFN_ISWOW64PROCESS)
+      GetProcAddress(GetModuleHandle(L"kernel32"),
+                     "IsWow64Process");
+  }
+
   BOOL isWow64 = FALSE;
-
-  fnIsWow64Process = (LPFN_ISWOW64PROCESS)
-    GetProcAddress(GetModuleHandle(L"kernel32"),
-                   "IsWow64Process");
-  if (fnIsWow64Process != NULL)
+  if (fnIsWow64Process)
     fnIsWow64Process(GetCurrentProcess(), &isWow64);
-
   return isWow64;
 }
+
+const char* WineVersion()
+{
+  if (!fnWineGetVersion) {
+    fnWineGetVersion = (LPFN_WINE_GET_VERSION)
+      GetProcAddress(GetModuleHandle(L"ntdll.dll"),
+                     "wine_get_version");
+  }
+  if (fnWineGetVersion)
+    return fnWineGetVersion();
+  else
+    return NULL;
+}