- Fix bug where memory_limit = -1 wasn't handled properly

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Fix bug where memory_limit = -1 wasn't handled properly
 - Support LDAP RFC2256's country object class read/write (#1488123)
 - Upgraded to jQuery 1.7.2
 - Image resize with GD extension (#1488383)

program/include/main.inc

@@ -1611,7 +1611,7 @@ function rcmail_mem_check($need)
   $mem_limit = parse_bytes(ini_get('memory_limit'));
   $memory    = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB
 
-  return $mem_limit && $memory + $need > $mem_limit ? false : true;
+  return $mem_limit > 0 && $memory + $need > $mem_limit ? false : true;
 }