From 70cd0d2425f7af86622521c79345b5b5e4053f11 Mon Sep 17 00:00:00 2001
From: terminx <terminx@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Sun, 11 Jan 2015 04:53:01 +0000
Subject: [PATCH] Detect running under Wine. DONT_BUILD.

git-svn-id: https://svn.eduke32.com/eduke32@4892 1a8010ca-5511-0410-912e-c29ae57300e0
---
 polymer/eduke32/build/src/winbits.c | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/polymer/eduke32/build/src/winbits.c b/polymer/eduke32/build/src/winbits.c
index 755cc66c6..6345d1125 100644
--- a/polymer/eduke32/build/src/winbits.c
+++ b/polymer/eduke32/build/src/winbits.c
@@ -30,11 +30,18 @@ static OSVERSIONINFOEX osv;
 
 static int32_t togglecomp = 1;
 
+FARPROC pwinever;
+
 //
 // CheckWinVersion() -- check to see what version of Windows we happen to be running under
 //
 BOOL CheckWinVersion(void)
 {
+    HMODULE hntdll = GetModuleHandle("ntdll.dll");
+
+    if (hntdll)
+        pwinever = GetProcAddress(hntdll, "wine_get_version");
+
     ZeroMemory(&osv, sizeof(osv));
     osv.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
 
@@ -85,10 +92,23 @@ static void win_printversion(void)
             break;
     }
 
-    initprintf("Windows %s", ver);
+    char *str = (char *)Bcalloc(1, 256);
+    int l;
+
+    if (pwinever)
+        l = Bsprintf(str, "Wine %s identifying as Windows %s", (char *)pwinever(), ver);
+    else
+        l = Bsprintf(str, "Windows %s", ver);
+
+    // service packs
     if (osv.szCSDVersion && osv.szCSDVersion[0])
-        initprintf(" %s", osv.szCSDVersion);
-    initprintf(" (build %lu.%lu.%lu)\n", osv.dwMajorVersion, osv.dwMinorVersion, osv.dwBuildNumber);
+    {
+        str[l] = 32;
+        Bstrcat(&str[l], osv.szCSDVersion);
+    }
+
+    initprintf("%s (build %lu.%lu.%lu)\n", str, osv.dwMajorVersion, osv.dwMinorVersion, osv.dwBuildNumber);
+    Bfree(str);
 }
 
 //
@@ -97,6 +117,7 @@ static void win_printversion(void)
 void win_allowtaskswitching(int32_t onf)
 {
     if (onf == taskswitching) return;
+    taskswitching = onf;
 
     if (onf)
     {
@@ -109,7 +130,6 @@ void win_allowtaskswitching(int32_t onf)
         RegisterHotKey(0,1,MOD_ALT|MOD_SHIFT,VK_TAB);
     }
 
-    taskswitching = onf;
 }