fix VC 7.x release build problems

[wxWidgets.git] / src / common / dynlib.cpp

diff --git a/src/common/dynlib.cpp b/src/common/dynlib.cpp
index 6dd93ebcdc9c22adb0ce6924e0e5b983fe2e5592..90945e8caed7fbf106088b6577e73064cec2245f 100644 (file)
--- a/src/common/dynlib.cpp
+++ b/src/common/dynlib.cpp
@@ -6,7 +6,7 @@
 // Created:     20/07/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Guilhem Lavaux
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -146,7 +146,7 @@ wxLibrary::wxLibrary(wxDllType handle)
     m_handle = handle;
 
     // Some system may use a local heap for library.
-    get_first = (t_get_first)GetSymbol("wxGetClassFirst");
+    get_first = (t_get_first)GetSymbol(_T("wxGetClassFirst"));
     // It is a wxWindows DLL.
     if (get_first)
         PrepareClasses(get_first());
@@ -310,34 +310,30 @@ void *wxDllLoader::GetSymbol(wxDllType dllHandle, const wxString &name, bool *su
     CFragSymbolClass    symClass;
     Str255              symName;
 
-#if TARGET_CARBON
-    c2pstrcpy( (StringPtr) symName, name );
-#else
-    strcpy( (char *) symName, name );
-    c2pstr( (char *) symName );
-#endif
+       wxMacStringToPascal( name.c_str() , symName ) ;
+
     if( FindSymbol( ((CFragConnectionID)dllHandle), symName, &symAddress, &symClass ) == noErr )
         symbol = (void *)symAddress;
 
 #elif defined(__WXPM__) || defined(__EMX__)
     wxDllGetSymbol(dllHandle, symbol);
 
-#else
+#else // Windows or Unix
+
     // mb_str() is necessary in Unicode build
-    symbol = wxDllGetSymbol(dllHandle, name.mb_str());
+    //
+    // "void *" cast is needed by gcc 3.1 + w32api 1.4, don't ask me why
+    symbol = (void *)wxDllGetSymbol(dllHandle, name.mb_str());
 
-#endif
+#endif // OS
 
     if ( !symbol )
     {
-        wxString msg(_("wxDllLoader failed to GetSymbol '%s'"));
-
 #ifdef HAVE_DLERROR
         const wxChar *err = dlerror();
         if( err )
         {
-            failed = TRUE;
-            wxLogError( msg, err );
+            wxLogError(wxT("%s"), err);
         }
 #else
         failed = TRUE;
@@ -416,25 +412,21 @@ wxObject *wxLibraries::CreateObject(const wxString& path)
     return NULL;
 }
 
-#ifdef __DARWIN__
+#endif // wxUSE_DYNLIB_CLASS && !wxUSE_DYNAMIC_LOADER
+
+#if defined(__DARWIN__) && (wxUSE_DYNLIB_CLASS || wxUSE_DYNAMIC_LOADER)
 // ---------------------------------------------------------------------------
 // For Darwin/Mac OS X
 //   supply the sun style dlopen functions in terms of Darwin NS*
 // ---------------------------------------------------------------------------
 
-extern "C" {
-#import <mach-o/dyld.h>
-};
-
-enum dyldErrorSource
-{
-    OFImage,
-};
+#include <stdio.h>
+#include <mach-o/dyld.h>
 
 static char dl_last_error[1024];
 
 static
-void TranslateError(const char *path, enum dyldErrorSource type, int number)
+void TranslateError(const char *path, int number)
 {
     unsigned int index;
     static char *OFIErrorStrings[] =
@@ -449,21 +441,11 @@ void TranslateError(const char *path, enum dyldErrorSource type, int number)
     };
 #define NUM_OFI_ERRORS (sizeof(OFIErrorStrings) / sizeof(OFIErrorStrings[0]))
 
-    switch (type)
-    {
-     case OFImage:
-        index = number;
-        if (index > NUM_OFI_ERRORS - 1) {
-            index = NUM_OFI_ERRORS - 1;
-        }
-        sprintf(dl_last_error, OFIErrorStrings[index], path, number);
-        break;
-        
-     default:
-        sprintf(dl_last_error, "%s(%d): Totally unknown error type %d\n",
-                path, number, type);
-        break;
+    index = number;
+    if (index > NUM_OFI_ERRORS - 1) {
+        index = NUM_OFI_ERRORS - 1;
     }
+    sprintf(dl_last_error, OFIErrorStrings[index], path, number);
 }
 
 const char *dlerror()
@@ -471,7 +453,7 @@ const char *dlerror()
     return dl_last_error;
 }
 
-void *dlopen(const char *path, int mode /* mode is ignored */)
+void *dlopen(const char *path, int WXUNUSED(mode) /* mode is ignored */)
 {
     int dyld_result;
     NSObjectFileImage ofile;
@@ -480,36 +462,39 @@ void *dlopen(const char *path, int mode /* mode is ignored */)
     dyld_result = NSCreateObjectFileImageFromFile(path, &ofile);
     if (dyld_result != NSObjectFileImageSuccess)
     {
-       TranslateError(path, OFImage, dyld_result);
+       TranslateError(path, dyld_result);
     }
     else
     {
        // NSLinkModule will cause the run to abort on any link error's
        // not very friendly but the error recovery functionality is limited.
-       handle = NSLinkModule(ofile, path, TRUE);
+       handle = NSLinkModule(ofile, path, NSLINKMODULE_OPTION_BINDNOW);
     }
 
     return handle;
 }
 
-int dlclose(void *handle) /* stub only */
+int dlclose(void *handle)
 {
+    NSUnLinkModule( handle, NSUNLINKMODULE_OPTION_NONE);
     return 0;
 }
 
 void *dlsym(void *handle, const char *symbol)
 {
     void *addr;
+    
+    NSSymbol nsSymbol = NSLookupSymbolInModule( handle , symbol ) ;
 
-    if (NSIsSymbolNameDefined(symbol)) {
-       addr = NSAddressOfSymbol(NSLookupAndBindSymbol(symbol));
+    if ( nsSymbol) 
+    {
+           addr = NSAddressOfSymbol(nsSymbol);
     }
-    else {
-       addr = NULL;
+    else 
+    {
+           addr = NULL;
     }
     return addr;
 }
 
-#endif // __DARWIN__
-
-#endif // wxUSE_DYNLIB_CLASS
+#endif // defined(__DARWIN__) && (wxUSE_DYNLIB_CLASS || wxUSE_DYNAMIC_LOADER)