X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ee682a94cb9ea835c9b74a12f17b0fb63f43dcce..1d4f9cb74dc216935f4f15219cd9a581e1bd5885:/src/common/dynlib.cpp diff --git a/src/common/dynlib.cpp b/src/common/dynlib.cpp index f4cb7d11bc..f8d9e8db9b 100644 --- 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 ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,7 +17,7 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) # pragma implementation "dynlib.h" #endif @@ -27,7 +27,7 @@ #pragma hdrstop #endif -#if wxUSE_DYNLIB_CLASS && !wxUSE_DYNAMIC_LOADER +#if wxUSE_DYNLIB_CLASS #if defined(__WINDOWS__) #include "wx/msw/private.h" @@ -37,206 +37,166 @@ #include "wx/filefn.h" #include "wx/intl.h" #include "wx/log.h" +#include "wx/utils.h" +#include "wx/filename.h" // for SplitPath() +#include "wx/app.h" +#include "wx/apptrait.h" #if defined(__WXMAC__) #include "wx/mac/private.h" #endif -// ---------------------------------------------------------------------------- -// conditional compilation -// ---------------------------------------------------------------------------- -#if defined(__WXPM__) || defined(__EMX__) -# define INCL_DOS -# include -# define wxDllOpen(error, lib, handle) DosLoadModule(error, sizeof(error), lib, &handle) -# define wxDllGetSymbol(handle, modaddr) DosQueryProcAddr(handle, 1L, NULL, (PFN*)modaddr) -# define wxDllClose(handle) DosFreeModule(handle) -#elif defined(HAVE_DLOPEN) - // note about dlopen() flags: we use RTLD_NOW to have more Windows-like - // behaviour (Win won't let you load a library with missing symbols) and - // RTLD_GLOBAL because it is needed sometimes and probably doesn't hurt - // otherwise. On True64-Unix RTLD_GLOBAL is not allowed and on VMS the - // second argument on dlopen is ignored. -#ifdef __VMS -# define wxDllOpen(lib) dlopen(lib.fn_str(), 0 ) -#elif defined( __osf__ ) -# define wxDllOpen(lib) dlopen(lib.fn_str(), RTLD_LAZY ) -#else -# define wxDllOpen(lib) dlopen(lib.fn_str(), RTLD_LAZY | RTLD_GLOBAL) -#endif -#define wxDllGetSymbol(handle, name) dlsym(handle, name) -# define wxDllClose dlclose -#elif defined(HAVE_SHL_LOAD) -# define wxDllOpen(lib) shl_load(lib.fn_str(), BIND_DEFERRED, 0) -# define wxDllClose shl_unload +// ============================================================================ +// implementation +// ============================================================================ -static inline void *wxDllGetSymbol(shl_t handle, const wxString& name) -{ - void *sym; - if ( shl_findsym(&handle, name.mb_str(), TYPE_UNDEFINED, &sym) == 0 ) - return sym; - else - return 0; -} +#if defined(__DARWIN__) +// --------------------------------------------------------------------------- +// For Darwin/Mac OS X +// supply the sun style dlopen functions in terms of Darwin NS* +// --------------------------------------------------------------------------- -#elif defined(__DARWIN__) /* Porting notes: * The dlopen port is a port from dl_next.xs by Anno Siegel. * dl_next.xs is itself a port from dl_dlopen.xs by Paul Marquess. * The method used here is just to supply the sun style dlopen etc. * functions in terms of Darwin NS*. */ -void *dlopen(const char *path, int mode /* mode is ignored */); -void *dlsym(void *handle, const char *symbol); -int dlclose(void *handle); -const char *dlerror(void); - -# define wxDllOpen(lib) dlopen(lib.fn_str(), 0) -# define wxDllGetSymbol(handle, name) dlsym(handle, name) -# define wxDllClose dlclose -#elif defined(__WINDOWS__) - // using LoadLibraryEx under Win32 to avoid name clash with LoadLibrary -# ifdef __WIN32__ -#ifdef _UNICODE -# define wxDllOpen(lib) ::LoadLibraryExW(lib, 0, 0) -#else -# define wxDllOpen(lib) ::LoadLibraryExA(lib, 0, 0) -#endif -# else // Win16 -# define wxDllOpen(lib) ::LoadLibrary(lib) -# endif // Win32/16 -# define wxDllGetSymbol(handle, name) ::GetProcAddress(handle, name) -# define wxDllClose ::FreeLibrary -#elif defined(__WXMAC__) -# define wxDllClose(handle) CloseConnection(&((CFragConnectionID)handle)) -#else -# error "Don't know how to load shared libraries on this platform." -#endif // OS -// --------------------------------------------------------------------------- -// Global variables -// --------------------------------------------------------------------------- - -wxLibraries wxTheLibraries; +#include +#include -// ============================================================================ -// implementation -// ============================================================================ +static char dl_last_error[1024]; -// construct the full name from the base shared object name: adds a .dll -// suffix under Windows or .so under Unix -static wxString ConstructLibraryName(const wxString& basename) +static +void TranslateError(const char *path, int number) { - wxString fullname; - fullname << basename << wxDllLoader::GetDllExt(); + unsigned int index; + static char *OFIErrorStrings[] = + { + "%s(%d): Object Image Load Failure\n", + "%s(%d): Object Image Load Success\n", + "%s(%d): Not an recognisable object file\n", + "%s(%d): No valid architecture\n", + "%s(%d): Object image has an invalid format\n", + "%s(%d): Invalid access (permissions?)\n", + "%s(%d): Unknown error code from NSCreateObjectFileImageFromFile\n", + }; +#define NUM_OFI_ERRORS (sizeof(OFIErrorStrings) / sizeof(OFIErrorStrings[0])) - return fullname; + index = number; + if (index > NUM_OFI_ERRORS - 1) { + index = NUM_OFI_ERRORS - 1; + } + sprintf(dl_last_error, OFIErrorStrings[index], path, number); } -// --------------------------------------------------------------------------- -// wxLibrary (one instance per dynamic library) -// --------------------------------------------------------------------------- - -wxLibrary::wxLibrary(wxDllType handle) +const char *dlerror() { - typedef wxClassInfo *(*t_get_first)(void); - t_get_first get_first; - - m_handle = handle; - - // Some system may use a local heap for library. - get_first = (t_get_first)GetSymbol("wxGetClassFirst"); - // It is a wxWindows DLL. - if (get_first) - PrepareClasses(get_first()); + return dl_last_error; } -wxLibrary::~wxLibrary() +void *dlopen(const char *path, int WXUNUSED(mode) /* mode is ignored */) { - if ( m_handle ) + int dyld_result; + NSObjectFileImage ofile; + NSModule handle = NULL; + + dyld_result = NSCreateObjectFileImageFromFile(path, &ofile); + if (dyld_result != NSObjectFileImageSuccess) + { + TranslateError(path, dyld_result); + } + else { - wxDllClose(m_handle); + // 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, NSLINKMODULE_OPTION_BINDNOW); } + + return handle; } -wxObject *wxLibrary::CreateObject(const wxString& name) +int dlclose(void *handle) { - wxClassInfo *info = (wxClassInfo *)classTable.Get(name); - - if (!info) - return NULL; - - return info->CreateObject(); + NSUnLinkModule( handle, NSUNLINKMODULE_OPTION_NONE); + return 0; } -void wxLibrary::PrepareClasses(wxClassInfo *first) +void *dlsym(void *handle, const char *symbol) { - // Index all class infos by their class name - wxClassInfo *info = first; - while (info) + void *addr; + + NSSymbol nsSymbol = NSLookupSymbolInModule( handle , symbol ) ; + + if ( nsSymbol) { - if (info->m_className) - classTable.Put(info->m_className, (wxObject *)info); - info = info->m_next; + addr = NSAddressOfSymbol(nsSymbol); } - - // Set base pointers for each wxClassInfo - info = first; - while (info) + else { - if (info->GetBaseClassName1()) - info->m_baseInfo1 = (wxClassInfo *)classTable.Get(info->GetBaseClassName1()); - if (info->GetBaseClassName2()) - info->m_baseInfo2 = (wxClassInfo *)classTable.Get(info->GetBaseClassName2()); - info = info->m_next; + addr = NULL; } + return addr; } -void *wxLibrary::GetSymbol(const wxString& symbname) -{ - return wxDllLoader::GetSymbol(m_handle, symbname); -} +#endif // defined(__DARWIN__) + // --------------------------------------------------------------------------- -// wxDllLoader +// wxDynamicLibrary // --------------------------------------------------------------------------- +//FIXME: This class isn't really common at all, it should be moved into +// platform dependent files. #if defined(__WINDOWS__) || defined(__WXPM__) || defined(__EMX__) -const wxString wxDllLoader::ms_dllext( _T(".dll") ); + const wxChar *wxDynamicLibrary::ms_dllext = _T(".dll"); +#elif defined(__WXMAC__) && !defined(__DARWIN__) + const wxChar *wxDynamicLibrary::ms_dllext = _T(""); #elif defined(__UNIX__) -#if defined(__HPUX__) -const wxString wxDllLoader::ms_dllext( _T(".sl") ); -#else -const wxString wxDllLoader::ms_dllext( _T(".so") ); -#endif -#elif defined(__WXMAC__) -const wxString wxDllLoader::ms_dllext( _T("") ); + #if defined(__HPUX__) + const wxChar *wxDynamicLibrary::ms_dllext = _T(".sl"); + #elif defined(__DARWIN__) + const wxChar *wxDynamicLibrary::ms_dllext = _T(".dylib"); + #else + const wxChar *wxDynamicLibrary::ms_dllext = _T(".so"); + #endif #endif -/* static */ -wxDllType wxDllLoader::GetProgramHandle() +wxDllType wxDynamicLibrary::GetProgramHandle() { #if defined( HAVE_DLOPEN ) && !defined(__EMX__) - // optain handle for main program - return dlopen(NULL, RTLD_NOW/*RTLD_LAZY*/); + return dlopen(0, RTLD_LAZY); #elif defined (HAVE_SHL_LOAD) - // shl_findsymbol with NULL handle looks up in main program - return 0; + return PROG_HANDLE; #else wxFAIL_MSG( wxT("This method is not implemented under Windows or OS/2")); return 0; #endif } -/* static */ -wxDllType wxDllLoader::LoadLibrary(const wxString & libname, bool *success) +bool wxDynamicLibrary::Load(wxString libname, int flags) { - wxDllType handle; - bool failed = FALSE; + wxASSERT_MSG(m_handle == 0, _T("Library already loaded.")); + + // add the proper extension for the DLL ourselves unless told not to + if ( !(flags & wxDL_VERBATIM) ) + { + // and also check that the libname doesn't already have it + wxString ext; + wxFileName::SplitPath(libname, NULL, NULL, &ext); + if ( ext.empty() ) + { + libname += GetDllExt(); + } + } -#if defined(__WXMAC__) && !defined(__UNIX__) + // different ways to load a shared library + // + // FIXME: should go to the platform-specific files! +#if defined(__WXMAC__) && !defined(__DARWIN__) FSSpec myFSSpec; Ptr myMainAddr; Str255 myErrName; @@ -248,7 +208,7 @@ wxDllType wxDllLoader::LoadLibrary(const wxString & libname, bool *success) kCFragGoesToEOF, "\p", kPrivateCFragCopy, - &((CFragConnectionID)handle), + &m_handle, &myMainAddr, myErrName ) != noErr ) { @@ -256,85 +216,169 @@ wxDllType wxDllLoader::LoadLibrary(const wxString & libname, bool *success) wxLogSysError( _("Failed to load shared library '%s' Error '%s'"), libname.c_str(), (char*)myErrName ); - handle = 0; - failed = TRUE; + m_handle = 0; } #elif defined(__WXPM__) || defined(__EMX__) - char zError[256] = ""; - wxDllOpen(zError, libname, handle); + char err[256] = ""; + DosLoadModule(err, sizeof(err), libname.c_str(), &m_handle); + +#elif defined(HAVE_DLOPEN) || defined(__DARWIN__) + +#if defined(__VMS) || defined(__DARWIN__) + m_handle = dlopen(libname.fn_str(), 0); // The second parameter is ignored +#else // !__VMS && !__DARWIN__ + int rtldFlags = 0; + + if ( flags & wxDL_LAZY ) + { + wxASSERT_MSG( (flags & wxDL_NOW) == 0, + _T("wxDL_LAZY and wxDL_NOW are mutually exclusive.") ); +#ifdef RTLD_LAZY + rtldFlags |= RTLD_LAZY; +#else + wxLogDebug(_T("wxDL_LAZY is not supported on this platform")); +#endif + } + else if ( flags & wxDL_NOW ) + { +#ifdef RTLD_NOW + rtldFlags |= RTLD_NOW; +#else + wxLogDebug(_T("wxDL_NOW is not supported on this platform")); +#endif + } + if ( flags & wxDL_GLOBAL ) + { +#ifdef RTLD_GLOBAL + rtldFlags |= RTLD_GLOBAL; #else - handle = wxDllOpen(libname); + wxLogDebug(_T("RTLD_GLOBAL is not supported on this platform.")); +#endif + } + + m_handle = dlopen(libname.fn_str(), rtldFlags); +#endif // __VMS || __DARWIN__ ? +#elif defined(HAVE_SHL_LOAD) + int shlFlags = 0; + + if( flags & wxDL_LAZY ) + { + wxASSERT_MSG( (flags & wxDL_NOW) == 0, + _T("wxDL_LAZY and wxDL_NOW are mutually exclusive.") ); + shlFlags |= BIND_DEFERRED; + } + else if( flags & wxDL_NOW ) + { + shlFlags |= BIND_IMMEDIATE; + } + m_handle = shl_load(libname.fn_str(), BIND_DEFERRED, 0); + +#elif defined(__WINDOWS__) + m_handle = ::LoadLibrary(libname.c_str()); +#else + #error "runtime shared lib support not implemented on this platform" #endif - if ( !handle ) + if ( m_handle == 0 ) { wxString msg(_("Failed to load shared library '%s'")); +#if defined(HAVE_DLERROR) && !defined(__EMX__) -#ifdef HAVE_DLERROR +#if wxUSE_UNICODE + wxWCharBuffer buffer = wxConvLocal.cMB2WC( dlerror() ); + const wxChar *err = buffer; +#else const wxChar *err = dlerror(); +#endif + if( err ) - { - failed = TRUE; wxLogError( msg, err ); - } #else - failed = TRUE; wxLogSysError( msg, libname.c_str() ); #endif } - if ( success ) - *success = !failed; - - return handle; + return IsLoaded(); } - /* static */ -void wxDllLoader::UnloadLibrary(wxDllType handle) +void wxDynamicLibrary::Unload(wxDllType handle) { - wxDllClose(handle); +#if defined(__WXPM__) || defined(__EMX__) + DosFreeModule( handle ); +#elif defined(HAVE_DLOPEN) || defined(__DARWIN__) + dlclose( handle ); +#elif defined(HAVE_SHL_LOAD) + shl_unload( handle ); +#elif defined(__WINDOWS__) + ::FreeLibrary( handle ); +#elif defined(__WXMAC__) && !defined(__DARWIN__) + CloseConnection( (CFragConnectionID*) &handle ); +#else + #error "runtime shared lib support not implemented" +#endif } -/* static */ -void *wxDllLoader::GetSymbol(wxDllType dllHandle, const wxString &name, bool *success) +void *wxDynamicLibrary::GetSymbol(const wxString &name, bool *success) const { - bool failed = FALSE; + wxCHECK_MSG( IsLoaded(), NULL, + _T("Can't load symbol from unloaded library") ); + + bool failed = FALSE; void *symbol = 0; -#if defined(__WXMAC__) && !defined(__UNIX__) + wxUnusedVar(symbol); +#if defined(__WXMAC__) && !defined(__DARWIN__) Ptr symAddress; CFragSymbolClass symClass; Str255 symName; - #if TARGET_CARBON - c2pstrcpy( (StringPtr) symName, name ); + c2pstrcpy( (StringPtr) symName, name.fn_str() ); #else - strcpy( (char *) symName, name ); - c2pstr( (char *) symName ); + strcpy( (char *)symName, name.fn_str() ); + c2pstr( (char *)symName ); #endif - if( FindSymbol( ((CFragConnectionID)dllHandle), symName, &symAddress, &symClass ) == noErr ) + if( FindSymbol( m_handle, symName, &symAddress, &symClass ) == noErr ) symbol = (void *)symAddress; #elif defined(__WXPM__) || defined(__EMX__) - wxDllGetSymbol(dllHandle, symbol); + DosQueryProcAddr( m_handle, 1L, name.c_str(), (PFN*)symbol ); -#else // Windows or Unix +#elif defined(HAVE_DLOPEN) || defined(__DARWIN__) + symbol = dlsym( m_handle, name.fn_str() ); - // mb_str() is necessary in Unicode build - // - // "void *" cast is needed by gcc 3.1 + w32api 1.4, don't ask me why - symbol = (void *)wxDllGetSymbol(dllHandle, name.mb_str()); +#elif defined(HAVE_SHL_LOAD) + // use local variable since shl_findsym modifies the handle argument + // to indicate where the symbol was found (GD) + wxDllType the_handle = m_handle; + if( shl_findsym( &the_handle, name.fn_str(), TYPE_UNDEFINED, &symbol ) != 0 ) + symbol = 0; + +#elif defined(__WINDOWS__) +#ifdef __WXWINCE__ + symbol = (void*) ::GetProcAddress( m_handle, name ); +#else + symbol = (void*) ::GetProcAddress( m_handle, name.mb_str() ); +#endif -#endif // OS +#else +#error "runtime shared lib support not implemented" +#endif if ( !symbol ) { -#ifdef HAVE_DLERROR +#if defined(HAVE_DLERROR) && !defined(__EMX__) + +#if wxUSE_UNICODE + wxWCharBuffer buffer = wxConvLocal.cMB2WC( dlerror() ); + const wxChar *err = buffer; +#else const wxChar *err = dlerror(); +#endif + if( err ) { wxLogError(wxT("%s"), err); @@ -345,156 +389,124 @@ void *wxDllLoader::GetSymbol(wxDllType dllHandle, const wxString &name, bool *su name.c_str()); #endif } - if( success ) *success = !failed; return symbol; } - -// --------------------------------------------------------------------------- -// wxLibraries (only one instance should normally exist) -// --------------------------------------------------------------------------- - -wxLibraries::wxLibraries():m_loaded(wxKEY_STRING) -{ -} - -wxLibraries::~wxLibraries() + + +/*static*/ +wxString +wxDynamicLibrary::CanonicalizeName(const wxString& name, + wxDynamicLibraryCategory +#ifdef __UNIX__ + cat +#else // !__UNIX__ + WXUNUSED(cat) +#endif // __UNIX__/!__UNIX__ + ) { - wxNode *node = m_loaded.First(); - - while (node) { - wxLibrary *lib = (wxLibrary *)node->Data(); - delete lib; + wxString nameCanonic; - node = node->Next(); - } -} - -wxLibrary *wxLibraries::LoadLibrary(const wxString& name) -{ - wxLibrary *lib; - wxClassInfo *old_sm_first; - wxNode *node = m_loaded.Find(name.GetData()); - - if (node != NULL) - return ((wxLibrary *)node->Data()); - - // If DLL shares data, this is necessary. - old_sm_first = wxClassInfo::sm_first; - wxClassInfo::sm_first = NULL; - - wxString libname = ConstructLibraryName(name); - - bool success = FALSE; - wxDllType handle = wxDllLoader::LoadLibrary(libname, &success); - if(success) + // under Unix the library names usually start with "lib" prefix, add it +#ifdef __UNIX__ + switch ( cat ) { - lib = new wxLibrary(handle); - wxClassInfo::sm_first = old_sm_first; - - m_loaded.Append(name.GetData(), lib); + default: + wxFAIL_MSG( _T("unknown wxDynamicLibraryCategory value") ); + // fall through + + case wxDL_MODULE: + // don't do anything for modules, their names are arbitrary + break; + + case wxDL_LIBRARY: + // library names should start with "lib" under Unix + nameCanonic = _T("lib"); + break; } - else - lib = NULL; - return lib; -} - -wxObject *wxLibraries::CreateObject(const wxString& path) -{ - wxNode *node = m_loaded.First(); - wxObject *obj; +#endif // __UNIX__ - while (node) { - obj = ((wxLibrary *)node->Data())->CreateObject(path); - if (obj) - return obj; - - node = node->Next(); - } - return NULL; + nameCanonic << name << GetDllExt(); + return nameCanonic; } -#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* -// --------------------------------------------------------------------------- - -#include -#include - -static char dl_last_error[1024]; - -static -void TranslateError(const char *path, int number) +/*static*/ +wxString wxDynamicLibrary::CanonicalizePluginName(const wxString& name, + wxPluginCategory cat) { - unsigned int index; - static char *OFIErrorStrings[] = + wxString suffix; + if ( cat == wxDL_PLUGIN_GUI ) { - "%s(%d): Object Image Load Failure\n", - "%s(%d): Object Image Load Success\n", - "%s(%d): Not an recognisable object file\n", - "%s(%d): No valid architecture\n", - "%s(%d): Object image has an invalid format\n", - "%s(%d): Invalid access (permissions?)\n", - "%s(%d): Unknown error code from NSCreateObjectFileImageFromFile\n", - }; -#define NUM_OFI_ERRORS (sizeof(OFIErrorStrings) / sizeof(OFIErrorStrings[0])) - - index = number; - if (index > NUM_OFI_ERRORS - 1) { - index = NUM_OFI_ERRORS - 1; + wxAppTraits *traits = wxAppConsole::GetInstance() ? + wxAppConsole::GetInstance()->GetTraits() : NULL; + wxASSERT_MSG( traits, + _("can't query for GUI plugins name in console applications") ); + suffix = traits->GetToolkitInfo().shortName; } - sprintf(dl_last_error, OFIErrorStrings[index], path, number); -} +#if wxUSE_UNICODE + suffix << _T('u'); +#endif +#ifdef __WXDEBUG__ + suffix << _T('d'); +#endif -const char *dlerror() -{ - return dl_last_error; -} + if ( !suffix.empty() ) + suffix = wxString(_T("_")) + suffix; -void *dlopen(const char *path, int WXUNUSED(mode) /* mode is ignored */) -{ - int dyld_result; - NSObjectFileImage ofile; - NSModule handle = NULL; +#define WXSTRINGIZE(x) #x +#ifdef __UNIX__ + #if (wxMINOR_VERSION % 2) == 0 + #define wxDLLVER(x,y,z) "-" WXSTRINGIZE(x) "." WXSTRINGIZE(y) + #else + #define wxDLLVER(x,y,z) "-" WXSTRINGIZE(x) "." WXSTRINGIZE(y) "." WXSTRINGIZE(z) + #endif +#else + #if (wxMINOR_VERSION % 2) == 0 + #define wxDLLVER(x,y,z) WXSTRINGIZE(x) WXSTRINGIZE(y) + #else + #define wxDLLVER(x,y,z) WXSTRINGIZE(x) WXSTRINGIZE(y) WXSTRINGIZE(z) + #endif +#endif - dyld_result = NSCreateObjectFileImageFromFile(path, &ofile); - if (dyld_result != NSObjectFileImageSuccess) - { - 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, NSLINKMODULE_OPTION_BINDNOW); - } + suffix << wxString::FromAscii(wxDLLVER(wxMAJOR_VERSION, wxMINOR_VERSION, + wxRELEASE_NUMBER)); +#undef wxDLLVER +#undef WXSTRINGIZE + +#ifdef __WINDOWS__ + // Add compiler identification: + #if defined(__GNUG__) + suffix << _T("_gcc"); + #elif defined(__VISUALC__) + suffix << _T("_vc"); + #elif defined(__WATCOMC__) + suffix << _T("_wat"); + #elif defined(__BORLANDC__) + suffix << _T("_bcc"); + #endif +#endif - return handle; + return CanonicalizeName(name + suffix, wxDL_MODULE); } - -int dlclose(void *handle) + +/*static*/ +wxString wxDynamicLibrary::GetPluginsDirectory() { - NSUnLinkModule( handle, NSUNLINKMODULE_OPTION_NONE); - return 0; +#ifdef __UNIX__ + wxString format = wxGetInstallPrefix(); + format << wxFILE_SEP_PATH + << wxT("lib") << wxFILE_SEP_PATH + << wxT("wx") << wxFILE_SEP_PATH + << wxT("%i.%i"); + wxString dir; + dir.Printf(format.c_str(), wxMAJOR_VERSION, wxMINOR_VERSION); + return dir; +#else + return wxEmptyString; +#endif } -void *dlsym(void *WXUNUSED(handle), const char *symbol) -{ - void *addr; - - if (NSIsSymbolNameDefined(symbol)) { - addr = NSAddressOfSymbol(NSLookupAndBindSymbol(symbol)); - } - else { - addr = NULL; - } - return addr; -} -#endif // defined(__DARWIN__) && (wxUSE_DYNLIB_CLASS || wxUSE_DYNAMIC_LOADER) +#endif // wxUSE_DYNLIB_CLASS