From 6b818efeb62356358ea5a5187fd02889940d4bd0 Mon Sep 17 00:00:00 2001
From: Bruce Merry <bmerry@gmail.com>
Date: Mon, 31 Dec 2018 11:51:03 +0200
Subject: [PATCH] Make dbSwapDatabases take args as long

This prevents an integer overflow bug. Closes #5737.
---
 src/db.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/db.c b/src/db.c
index 62c8aa131..bac15a6bb 100644
--- a/src/db.c
+++ b/src/db.c
@@ -997,7 +997,7 @@ void scanDatabaseForReadyLists(redisDb *db) {
  *
  * Returns C_ERR if at least one of the DB ids are out of range, otherwise
  * C_OK is returned. */
-int dbSwapDatabases(int id1, int id2) {
+int dbSwapDatabases(long id1, long id2) {
     if (id1 < 0 || id1 >= server.dbnum ||
         id2 < 0 || id2 >= server.dbnum) return C_ERR;
     if (id1 == id2) return C_OK;