don't overwrite the existing local file if we failed to open it but it does exist

[wxWidgets.git] / src / msw / dlmsw.cpp

diff --git a/src/msw/dlmsw.cpp b/src/msw/dlmsw.cpp
index 9f904a240cd7e2de2ea6bc27ddb8a0f7af34974a..39830797dc2e31407fdcaac24f88f12481c590c6 100644 (file)
--- a/src/msw/dlmsw.cpp
+++ b/src/msw/dlmsw.cpp
@@ -28,7 +28,7 @@
 #include "wx/msw/private.h"
 #include "wx/msw/debughlp.h"
 
-const wxChar *wxDynamicLibrary::ms_dllext = _T(".dll");
+const wxString wxDynamicLibrary::ms_dllext(_T(".dll"));
 
 // ----------------------------------------------------------------------------
 // private classes
@@ -79,8 +79,25 @@ public:
         wxVersionDLL *verDLL;
     };
 
+    // the declared type of the first EnumModulesProc() parameter changed in
+    // recent SDK versions and is no PCSTR instead of old PSTR, we know that
+    // it's const in version 11 and non-const in version 8 included with VC8
+    // (and earlier), suppose that it's only changed in version 11
+    #if defined(API_VERSION_NUMBER) && API_VERSION_NUMBER >= 11
+        typedef PCSTR NameStr_t;
+    #else
+        typedef PSTR NameStr_t;
+    #endif
+
+    // TODO: fix EnumerateLoadedModules() to use EnumerateLoadedModules64()
+    #ifdef __WIN64__
+        typedef DWORD64 DWORD_32_64;
+    #else
+        typedef DWORD DWORD_32_64;
+    #endif
+
     static BOOL CALLBACK
-        EnumModulesProc(PSTR name, DWORD base, ULONG size, void *data);
+    EnumModulesProc(NameStr_t name, DWORD_32_64 base, ULONG size, void *data);
 };
 
 // ----------------------------------------------------------------------------
@@ -122,9 +139,12 @@ HMODULE wxGetModuleHandle(const char *name, void *addr)
     }
 
     // Windows CE only has Unicode API, so even we have an ANSI string here, we
-    // still need to use GetModuleHandleW() there and so do it everywhere to
-    // avoid #ifdefs -- this code is not performance-critical anyhow...
-    return ::GetModuleHandle(wxString::FromAscii((char *)name));
+    // still need to use GetModuleHandleW() there
+#ifdef __WXWINCE__
+    return ::GetModuleHandleW(wxConvLibc.cMB2WC(name).data());
+#else
+    return ::GetModuleHandleA((char *)name);
+#endif
 }
 
 // ============================================================================
@@ -174,7 +194,7 @@ wxString wxVersionDLL::GetFileVersion(const wxString& filename) const
     wxString ver;
     if ( m_dll.IsLoaded() )
     {
-        wxChar *pc = wx_const_cast(wxChar *, filename.c_str());
+        wxChar *pc = wx_const_cast(wxChar *, filename.wx_str());
 
         DWORD dummy;
         DWORD sizeVerInfo = m_pfnGetFileVersionInfoSize(pc, &dummy);
@@ -208,8 +228,8 @@ wxString wxVersionDLL::GetFileVersion(const wxString& filename) const
 
 /* static */
 BOOL CALLBACK
-wxDynamicLibraryDetailsCreator::EnumModulesProc(PSTR name,
-                                                DWORD base,
+wxDynamicLibraryDetailsCreator::EnumModulesProc(NameStr_t name,
+                                                DWORD_32_64 base,
                                                 ULONG size,
                                                 void *data)
 {
@@ -244,6 +264,15 @@ wxDynamicLibraryDetailsCreator::EnumModulesProc(PSTR name,
 // wxDynamicLibrary implementation
 // ============================================================================
 
+// ----------------------------------------------------------------------------
+// misc functions
+// ----------------------------------------------------------------------------
+
+wxDllType wxDynamicLibrary::GetProgramHandle()
+{
+    return (wxDllType)::GetModuleHandle(NULL);
+}
+
 // ----------------------------------------------------------------------------
 // loading/unloading DLLs
 // ----------------------------------------------------------------------------
@@ -252,7 +281,7 @@ wxDynamicLibraryDetailsCreator::EnumModulesProc(PSTR name,
 wxDllType
 wxDynamicLibrary::RawLoad(const wxString& libname, int WXUNUSED(flags))
 {
-    return ::LoadLibrary(libname);
+    return ::LoadLibrary(libname.wx_str());
 }
 
 /* static */