Francois Gouget : winex11.drv: Replace an strdup() with HeapAlloc() in the OpenGL code.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: c642481305fb9de241760e1aa8d13943d8bc8120
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=c642481305fb9de241760e1aa8d13943d8bc8120

Author: Francois Gouget <fgouget at free.fr>
Date:   Tue May 26 00:52:05 2009 +0200

winex11.drv: Replace an strdup() with HeapAlloc() in the OpenGL code.

Free the corresponding memory when the library is unloaded.

---

 dlls/winex11.drv/opengl.c      |   15 ++++++++++++---
 dlls/winex11.drv/x11drv.h      |    1 +
 dlls/winex11.drv/x11drv_main.c |    1 +
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/dlls/winex11.drv/opengl.c b/dlls/winex11.drv/opengl.c
index b15b4e2..30eb95b 100644
--- a/dlls/winex11.drv/opengl.c
+++ b/dlls/winex11.drv/opengl.c
@@ -76,7 +76,7 @@ typedef struct wine_glextension {
 
 struct WineGLInfo {
     const char *glVersion;
-    const char *glExtensions;
+    char *glExtensions;
 
     int glxVersion[2];
 
@@ -274,12 +274,13 @@ MAKE_FUNCPTR(glFinish)
 MAKE_FUNCPTR(glFlush)
 #undef MAKE_FUNCPTR
 
+static BOOL infoInitialized = FALSE;
 static BOOL X11DRV_WineGL_InitOpenglInfo(void)
 {
-    static BOOL infoInitialized = FALSE;
 
     int screen = DefaultScreen(gdi_display);
     Window win = RootWindow(gdi_display, screen);
+    const char* str;
     Visual *visual;
     XVisualInfo template;
     XVisualInfo *vis;
@@ -318,7 +319,9 @@ static BOOL X11DRV_WineGL_InitOpenglInfo(void)
     }
 
     WineGLInfo.glVersion = (const char *) pglGetString(GL_VERSION);
-    WineGLInfo.glExtensions = strdup((const char *) pglGetString(GL_EXTENSIONS));
+    str = (const char *) pglGetString(GL_EXTENSIONS);
+    WineGLInfo.glExtensions = HeapAlloc(GetProcessHeap(), 0, strlen(str)+1);
+    strcpy(WineGLInfo.glExtensions, str);
 
     /* Get the common GLX version supported by GLX client and server ( major/minor) */
     pglXQueryVersion(gdi_display, &WineGLInfo.glxVersion[0], &WineGLInfo.glxVersion[1]);
@@ -352,6 +355,12 @@ static BOOL X11DRV_WineGL_InitOpenglInfo(void)
     return TRUE;
 }
 
+void X11DRV_OpenGL_Cleanup(void)
+{
+    HeapFree(GetProcessHeap(), 0, WineGLInfo.glExtensions);
+    infoInitialized = FALSE;
+}
+
 static BOOL has_opengl(void)
 {
     static int init_done;
diff --git a/dlls/winex11.drv/x11drv.h b/dlls/winex11.drv/x11drv.h
index 7d0b2ba..b11e6a1 100644
--- a/dlls/winex11.drv/x11drv.h
+++ b/dlls/winex11.drv/x11drv.h
@@ -226,6 +226,7 @@ extern int CDECL X11DRV_DescribePixelFormat(X11DRV_PDEVICE *physDev,
 					PIXELFORMATDESCRIPTOR *ppfd);
 extern int CDECL X11DRV_GetPixelFormat(X11DRV_PDEVICE *physDev);
 extern BOOL CDECL X11DRV_SwapBuffers(X11DRV_PDEVICE *physDev);
+extern void X11DRV_OpenGL_Cleanup(void);
 
 /* X11 driver internal functions */
 
diff --git a/dlls/winex11.drv/x11drv_main.c b/dlls/winex11.drv/x11drv_main.c
index 020d6b5..41c866c 100644
--- a/dlls/winex11.drv/x11drv_main.c
+++ b/dlls/winex11.drv/x11drv_main.c
@@ -587,6 +587,7 @@ static void process_detach(void)
 
     /* cleanup GDI */
     X11DRV_GDI_Finalize();
+    X11DRV_OpenGL_Cleanup();
 
     IME_UnregisterClasses();
     DeleteCriticalSection( &X11DRV_CritSection );