--- webdavlib.php.orig	2011-08-26 09:24:28.277469368 +0200
+++ webdavlib.php	2011-08-26 09:40:35.212170935 +0200
@@ -1392,7 +1392,11 @@
                 fread($this->sock, 1);                           // also drop off the Line Feed
                 $chunk_size=hexdec($chunk_size);                // convert to a number in decimal system
                 if ($chunk_size > 0) {
-                    $buffer .= fread($this->sock,$chunk_size);
+		    $chunk = '';
+		    while ( strlen($chunk) < $chunk_size ) {
+		        $chunk .= fread($this->sock, $chunk_size - strlen($chunk));
+		    }
+		    $buffer .= $chunk;
                 }
                 fread($this->sock, 2);                            // ditch the CRLF that trails the chunk
             } while ($chunk_size);                            // till we reach the 0 length chunk (end marker)
@@ -1411,12 +1415,10 @@
                 }
             } else {
                 // data is to big to handle it as one. Get it chunk per chunk...
-                do {
-                    $mod = $max_chunk_size % ($matches[1] - strlen($buffer));
-                    $chunk_size = ($mod == $max_chunk_size ? $max_chunk_size : $matches[1] - strlen($buffer));
+	        while ( strlen($buffer) < $matches[1] ) {
+		    $chunk_size = ($matches[1] - strlen($buffer)) < $max_chunk_size ? ($matches[1] - strlen($buffer)) : $max_chunk_size;
                     $buffer .= fread($this->sock, $chunk_size);
-                    $this->_error_log('mod: ' . $mod . ' chunk: ' . $chunk_size . ' total: ' . strlen($buffer));
-                } while ($mod == $max_chunk_size);
+		}
             }
             break;