* committed a suggestion from #1483956

* cleaned up two functions

program/lib/imap.inc

@@ -162,7 +162,9 @@ function iil_xor($string, $string2) {
 
 function iil_ReadLine($fp, $size) {
     $line = '';
-	if ($fp) {
+    if (!$fp) {
+        return $line;
+    }
     do {
 	// FIXME: hardcode size?
         $buffer = fgets($fp, 2048);
@@ -171,7 +173,6 @@ function iil_ReadLine($fp, $size) {
         }
         $line .= $buffer;
     } while ($buffer[strlen($buffer)-1] != "\n");
-	}
     return $line;
 }
 
@@ -196,6 +197,9 @@ function iil_ReadBytes($fp, $bytes) {
     $len  = 0;
     do {
         $data .= fread($fp, $bytes-$len);
+        if ($len == strlen($data)) {
+            break; //nothing was read -> exit to avoid apache lockups
+        }
         $len = strlen($data);
     } while ($len < $bytes);
     return $data;