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-rw-r--r--util-src/encodings.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/util-src/encodings.c b/util-src/encodings.c
index 65d7d501..6c6e53ea 100644
--- a/util-src/encodings.c
+++ b/util-src/encodings.c
@@ -125,9 +125,14 @@ static const luaL_Reg Reg_base64[] =
static int stringprep_prep(lua_State *L, const Stringprep_profile *profile)
{
size_t len;
- const char *s = luaL_checklstring(L, 1, &len);
+ const char *s;
char string[1024];
int ret;
+ if(!lua_isstring(L, 1)) {
+ lua_pushnil(L);
+ return 1;
+ }
+ s = lua_tolstring(L, 1, &len);
if (len >= 1024) {
lua_pushnil(L);
return 1; // TODO return error message