added function to get the full path to the application bundle on os x

source/blender/blenlib/BLI_blenlib.h

@@ -203,6 +203,15 @@ void BLI_free_file_lines(struct LinkNode *lines);
 	 */
 void BLI_where_am_i(char *fullname, char *name);
 
+	/**
+	 * determines the full path to the application bundle on OS X
+	 *
+	 * @return path to application bundle
+	 */
+#ifdef __APPLE__
+char* BLI_getbundle(void);
+#endif
+		
 /* BLI_storage.h */
 int    BLI_filesize(int file);
 double BLI_diskfree(char *dir);

source/blender/blenlib/intern/util.c

@@ -69,6 +69,12 @@
 #include <sys/time.h>
 #endif
 
+#include <sys/param.h>
+
+#ifdef __APPLE__
+#include <CoreFoundation/CoreFoundation.h>
+#endif
+
 /* local */
 
 static int add_win32_extension(char *name);
@@ -834,3 +840,21 @@ void BLI_where_am_i(char *fullname, char *name)
 	}
 }
 
+/* 
+ * returns absolute path to the app bundle
+ * only useful on OS X 
+ */
+#ifdef __APPLE__
+char* BLI_getbundle(void) {
+	CFURLRef bundleURL;
+	CFStringRef pathStr;
+	char path[MAXPATHLEN];
+	CFBundleRef mainBundle = CFBundleGetMainBundle();
+
+	bundleURL = CFBundleCopyBundleURL(mainBundle);
+	pathStr = CFURLCopyFileSystemPath(bundleURL, kCFURLPOSIXPathStyle);
+	CFStringGetCString(pathStr, path, MAXPATHLEN, kCFStringEncodingASCII);
+	return path;
+}
+#endif
+