1 files changed, 7 insertions, 0 deletions

diff --git a/openssl.c b/openssl.c
index c0196bd..4ab0688 100644
--- a/openssl.c
+++ b/openssl.c
@@ -52,6 +52,9 @@
 #include <lualib.h>
 #include <lauxlib.h>
 
+#if LUA_VERSION_NUM < 502
+#include "compat52.h"
+#endif
 
 #define BIGNUM_CLASS     "OpenSSL Bignum"
 #define PUBKEY_CLASS     "OpenSSL Pubkey"
@@ -1665,7 +1668,11 @@ static int xc_digest(lua_State *L) {
                 luaL_Buffer B;
                 unsigned i;
 
+#if LUA_VERSION_NUM < 502
+                luaL_buffinit(L, &B);
+#else
                 luaL_buffinitsize(L, &B, 2 * len);
+#endif
 
                 for (i = 0; i < len; i++) {
                         luaL_addchar(&B, x[0x0f & (md[i] >> 4)]);