diff -r f507feede89a -r 09a1c134465b web/wp-admin/includes/file.php
--- a/web/wp-admin/includes/file.php	Wed Dec 19 12:35:13 2012 -0800
+++ b/web/wp-admin/includes/file.php	Wed Dec 19 17:46:52 2012 -0800
@@ -1,6 +1,8 @@
 <?php
 /**
- * File contains all the administration image manipulation functions.
+ * Functions for reading, writing, modifying, and deleting files on the file system.
+ * Includes functionality for theme-specific files as well as operations for uploading,
+ * archiving, and rendering output when necessary.
  *
  * @package WordPress
  * @subpackage Administration
@@ -79,10 +81,10 @@
 function get_home_path() {
 	$home = get_option( 'home' );
 	$siteurl = get_option( 'siteurl' );
-	if ( $home != '' && $home != $siteurl ) {
-		$wp_path_rel_to_home = str_replace($home, '', $siteurl); /* $siteurl - $home */
-		$pos = strrpos($_SERVER["SCRIPT_FILENAME"], $wp_path_rel_to_home);
-		$home_path = substr($_SERVER["SCRIPT_FILENAME"], 0, $pos);
+	if ( ! empty( $home ) && 0 !== strcasecmp( $home, $siteurl ) ) {
+		$wp_path_rel_to_home = str_ireplace( $home, '', $siteurl ); /* $siteurl - $home */
+		$pos = strripos( str_replace( '\\', '/', $_SERVER['SCRIPT_FILENAME'] ), trailingslashit( $wp_path_rel_to_home ) );
+		$home_path = substr( $_SERVER['SCRIPT_FILENAME'], 0, $pos );
 		$home_path = trailingslashit( $home_path );
 	} else {
 		$home_path = ABSPATH;
@@ -225,6 +227,7 @@
  * @uses delete_transient
  * @param array $file Reference to a single element of $_FILES. Call the function once for each uploaded file.
  * @param array $overrides Optional. An associative array of names=>values to override default variables with extract( $overrides, EXTR_OVERWRITE ).
+ * @param string $time Optional. Time formatted in 'yyyy/mm'.
  * @return array On success, returns an associative array of file attributes. On failure, returns $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
  */
 function wp_handle_upload( &$file, $overrides = false, $time = null ) {
@@ -357,9 +360,10 @@
  * @uses wp_unique_filename
  * @param array $file an array similar to that of a PHP $_FILES POST array
  * @param array $overrides Optional. An associative array of names=>values to override default variables with extract( $overrides, EXTR_OVERWRITE ).
+ * @param string $time Optional. Time formatted in 'yyyy/mm'.
  * @return array On success, returns an associative array of file attributes. On failure, returns $overrides['upload_error_handler'](&$file, $message ) or array( 'error'=>$message ).
  */
-function wp_handle_sideload( &$file, $overrides = false ) {
+function wp_handle_sideload( &$file, $overrides = false, $time = null ) {
 	// The default error handler.
 	if (! function_exists( 'wp_handle_upload_error' ) ) {
 		function wp_handle_upload_error( &$file, $message ) {
@@ -436,7 +440,7 @@
 	}
 
 	// A writable uploads dir will pass this test. Again, there's no point overriding this one.
-	if ( ! ( ( $uploads = wp_upload_dir() ) && false === $uploads['error'] ) )
+	if ( ! ( ( $uploads = wp_upload_dir( $time ) ) && false === $uploads['error'] ) )
 		return $upload_error_handler( $file, $uploads['error'] );
 
 	$filename = wp_unique_filename( $uploads['path'], $file['name'], $unique_filename_callback );