Initial revision

source/blender/blenlib/intern/dynlib.c

@@ -0,0 +1,146 @@
+/**
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+#include <stdlib.h>
+
+#include "../PIL_dynlib.h"
+
+/*
+ * XXX, should use mallocN so we can see
+ * handle's not being released. fixme zr
+ */
+ 
+#ifdef WIN32
+
+#include <windows.h>
+
+struct PILdynlib {
+	void *handle;
+};
+
+PILdynlib *PIL_dynlib_open(char *name) {
+	void *handle= LoadLibrary(name);
+
+	if (handle) {	
+		PILdynlib *lib= malloc(sizeof(*lib));
+		lib->handle= handle;
+		
+		return lib;
+	} else {
+		return NULL;
+	}
+}
+
+void *PIL_dynlib_find_symbol(PILdynlib* lib, char *symname) {
+	return GetProcAddress(lib->handle, symname);
+}
+
+char *PIL_dynlib_get_error_as_string(PILdynlib* lib) {
+	int err= GetLastError();
+
+	if (err) {
+		static char buf[1024];
+
+		if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS, 
+					NULL, 
+					err, 
+					MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), 
+					buf, 
+					sizeof(buf), 
+					NULL))
+			return buf;
+	}
+	
+	return NULL;
+}
+
+void PIL_dynlib_close(PILdynlib *lib) {
+	FreeLibrary(lib->handle);
+	
+	free(lib);
+}
+
+#else
+#ifdef __APPLE__
+
+PILdynlib *PIL_dynlib_open(char *name) {
+	return NULL;
+}
+
+void *PIL_dynlib_find_symbol(PILdynlib* lib, char *symname) {
+	return NULL;
+}
+
+char *PIL_dynlib_get_error_as_string(PILdynlib* lib) {
+	return "Plugins are currently unsupported on OSX";
+}
+	
+void PIL_dynlib_close(PILdynlib *lib) {
+	;
+}
+
+#else	/* Unix */
+
+#include <dlfcn.h>
+
+struct PILdynlib {
+	void *handle;
+};
+
+PILdynlib *PIL_dynlib_open(char *name) {
+	void *handle= dlopen(name, RTLD_LAZY);
+
+	if (handle) {	
+		PILdynlib *lib= malloc(sizeof(*lib));
+		lib->handle= handle;
+		
+		return lib;
+	} else {
+		return NULL;
+	}
+}
+
+void *PIL_dynlib_find_symbol(PILdynlib* lib, char *symname) {
+	return dlsym(lib->handle, symname);
+}
+
+char *PIL_dynlib_get_error_as_string(PILdynlib* lib) {
+	return dlerror();
+}
+	
+void PIL_dynlib_close(PILdynlib *lib) {
+	dlclose(lib->handle);
+	
+	free(lib);
+}
+
+#endif
+#endif