mt_rand/rand should raise error exceeds getrandmax() value

rand.c.diff

diff --git a/ext/standard/rand.c b/ext/standard/rand.c
index 50729f2..38c405d 100644
--- a/ext/standard/rand.c
+++ b/ext/standard/rand.c
@@ -293,8 +293,16 @@ PHP_FUNCTION(rand)
 	zend_long number;
 	int  argc = ZEND_NUM_ARGS();
 
-	if (argc != 0 && zend_parse_parameters(argc, "ll", &min, &max) == FAILURE)
-		return;
+	if (argc != 0) {
+		if (zend_parse_parameters(argc, "ll", &min, &max) == FAILURE) {
+			return;
+		} else if (max < min) {
+			php_error_docref(NULL, E_WARNING, "max(" ZEND_LONG_FMT ") is smaller than min(" ZEND_LONG_FMT ")", max, min);
+			RETURN_FALSE;
+		} else if (max - min > PHP_RAND_MAX) {
+			php_error_docref(NULL, E_WARNING, "max(" ZEND_LONG_FMT ") - min(" ZEND_LONG_FMT ") range exceeds getrandmax() value", max, min);
+		}
+	}
 
 	number = php_rand();
 	if (argc == 2) {
@@ -320,6 +328,8 @@ PHP_FUNCTION(mt_rand)
 		} else if (max < min) {
 			php_error_docref(NULL, E_WARNING, "max(" ZEND_LONG_FMT ") is smaller than min(" ZEND_LONG_FMT ")", max, min);
 			RETURN_FALSE;
+		} else if (max - min > PHP_MT_RAND_MAX) {
+			php_error_docref(NULL, E_WARNING, "max(" ZEND_LONG_FMT ") - min(" ZEND_LONG_FMT ") range exceeds mt_getrandmax() value", max, min);
 		}
 	}