1. wxWindow::IsTopLevel() added and documented

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

diff --git a/src/common/dynlib.cpp b/src/common/dynlib.cpp
index 57820da629098cdbd7667352ae472033d87d7072..b4a60768fb10eb2357b00c048ecfbae07d6bf25b 100644 (file)
--- a/src/common/dynlib.cpp
+++ b/src/common/dynlib.cpp
@@ -27,46 +27,43 @@
   #pragma hdrstop
 #endif  //__BORLANDC__
 
-// TODO should be done by configure
-#if defined(__UNIX__) && !(defined(HAVE_DLOPEN) || defined(HAVE_SHLLOAD))
-    #if defined(__LINUX__) || defined(__SOLARIS__) || defined(__SUNOS__) || defined(__FREEBSD__)
-        #ifndef HAVE_DLOPEN
-            #define HAVE_DLOPEN
-        #endif
-    #elif defined(__HPUX__)
-        #ifndef HAVE_SHLLOAD
-            #define HAVE_SHLLOAD
-        #endif
-    #endif // Unix flavour
-#endif // !Unix or already have some HAVE_xxx defined
+#if wxUSE_DYNLIB_CLASS
 
 #include "wx/dynlib.h"
 #include "wx/filefn.h"
 #include "wx/intl.h"
 #include "wx/log.h"
+#include "wx/tokenzr.h"
 
 // ----------------------------------------------------------------------------
 // conditional compilation
 // ----------------------------------------------------------------------------
 
 #if defined(HAVE_DLOPEN)
-    #define wxDllOpen(lib)                dlopen(lib, RTLD_LAZY)
-    #define wxDllGetSymbol(handle, name)  dlsym(handle, (char *)name)
+    #define wxDllOpen(lib)                dlopen(lib.fn_str(), RTLD_LAZY)
+    #define wxDllGetSymbol(handle, name)  dlsym(handle, name.mb_str())
     #define wxDllClose                    dlclose
-#elif defined(HAVE_SHLLOAD)
-    #define wxDllOpen(lib)                shl_open(lib, BIND_DEFERRED, 0)
+#elif defined(HAVE_SHL_LOAD)
+    #define wxDllOpen(lib)                shl_load(lib.fn_str(), BIND_DEFERRED, 0)
     #define wxDllClose      shl_unload
 
-    static inline void *wxDllGetSymbol(shl_t *handle, const char *name)
+    static inline void *wxDllGetSymbol(shl_t handle, const wxString& name)
     {
         void *sym;
-        if ( shl_findsym(handle, name, TYPE_UNDEFINED, &sym) == 0 )
+        if ( shl_findsym(&handle, name.mb_str(), TYPE_UNDEFINED, &sym) == 0 )
             return sym;
         else
             return (void *)0;
     }
 #elif defined(__WINDOWS__)
-    #define wxDllOpen(lib)                  ::LoadLibrary(lib)
+    #include <windows.h>
+
+    // using LoadLibraryEx under Win32 to avoid name clash with LoadLibrary
+    #ifdef __WIN32__
+        #define wxDllOpen(lib)                  ::LoadLibraryEx(lib, 0, 0)
+    #else   // Win16
+        #define wxDllOpen(lib)                  ::LoadLibrary(lib)
+    #endif  // Win32/16
     #define wxDllGetSymbol(handle, name)    ::GetProcAddress(handle, name)
     #define wxDllClose                      ::FreeLibrary
 #else
@@ -90,7 +87,11 @@ static wxString ConstructLibraryName(const wxString& basename)
     wxString fullname(basename);
 
 #if defined(__UNIX__)
-    fullname << ".so";
+    #if defined(__HPUX__)
+        fullname << ".sl";
+    #else      //__HPUX__
+        fullname << ".so";
+    #endif     //__HPUX__
 #elif defined(__WINDOWS__)
     fullname << ".dll";
 #endif
@@ -178,9 +179,7 @@ void *wxLibrary::GetSymbol(const wxString& symbname)
         symbol = (void *)symAddress ; 
     }
 #else
-    // VZ: hmm... why is WXSTRINGCAST needed? if it's really modified, we
-    //     should make a copy of it
-    symbol = wxDllGetSymbol(m_handle, WXSTRINGCAST symbname);
+    symbol = wxDllGetSymbol(m_handle, symbname);
 #endif
 
     if ( !symbol )
@@ -228,11 +227,30 @@ wxLibrary *wxLibraries::LoadLibrary(const wxString& name)
     wxString lib_name = ConstructLibraryName(name);
 
 #if defined(__UNIX__)
-    // TODO use LD_LIBRARY_PATH!
-    lib_name.Prepend("/lib");
+    // found the first file in LD_LIBRARY_PATH with this name
+    wxString libPath("/lib:/usr/lib"); // system path first
+    const char *envLibPath = getenv("LD_LIBRARY_PATH");
+    if ( envLibPath )
+        libPath << ':' << envLibPath;
+    wxStringTokenizer tokenizer(libPath, _T(':'));
+    while ( tokenizer.HasMoreToken() )
+    {
+        wxString fullname(tokenizer.NextToken());
+
+        fullname << '/' << lib_name;
+        if ( wxFileExists(fullname) )
+        {
+            lib_name = fullname;
+
+            // found the library
+            break;
+        }
+    }
+    //else: not found in the path, leave the name as is (secutiry risk?)
+
 #endif // __UNIX__
 
-    wxDllType handle ;
+    wxDllType handle;
 
 #if defined(__WXMAC__)
     FSSpec myFSSpec ;
@@ -282,3 +300,5 @@ wxObject *wxLibraries::CreateObject(const wxString& path)
     }
     return NULL;
 }
+
+#endif // wxUSE_DYNLIB_CLASS