From 44b388a939160683337195ec53a55d1f17d03b6a Mon Sep 17 00:00:00 2001
From: Jiaojinxing <jiaojinxing1987@gmail.com>
Date: Thu, 19 Mar 2020 16:56:27 +0800
Subject: [PATCH] Fixed message buffer overflow bug.

---
 luasocket/src/options.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/luasocket/src/options.c b/luasocket/src/options.c
index 20f4c28..668cc80 100644
--- a/luasocket/src/options.c
+++ b/luasocket/src/options.c
@@ -37,8 +37,8 @@ int opt_meth_setoption(lua_State *L, p_opt opt, p_socket ps)
     while (opt->name && strcmp(name, opt->name))
         opt++;
     if (!opt->func) {
-        char msg[45];
-        sprintf(msg, "unsupported option `%.35s'", name);
+        char msg[64];
+        snprintf(msg, sizeof(msg), "unsupported option `%.35s'", name);
         luaL_argerror(L, 2, msg);
     }
     return opt->func(L, ps);
@@ -50,8 +50,8 @@ int opt_meth_getoption(lua_State *L, p_opt opt, p_socket ps)
     while (opt->name && strcmp(name, opt->name))
         opt++;
     if (!opt->func) {
-        char msg[45];
-        sprintf(msg, "unsupported option `%.35s'", name);
+        char msg[64];
+        snprintf(msg, sizeof(msg), "unsupported option `%.35s'", name);
         luaL_argerror(L, 2, msg);
     }
     return opt->func(L, ps);