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-rw-r--r--src/event_buffer.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/event_buffer.c b/src/event_buffer.c
index 4d65273..110a41c 100644
--- a/src/event_buffer.c
+++ b/src/event_buffer.c
@@ -68,6 +68,7 @@ static int event_buffer_gc(lua_State* L) {
progressively adds items to the buffer
if arg[*] is string, treat as a string:format call
if arg[*] is a buffer, perform event_add_buffer
+ expects at least 1 other argument
returns number of bytes added
*/
static int event_buffer_add(lua_State* L) {
@@ -76,6 +77,7 @@ static int event_buffer_add(lua_State* L) {
int oldLength = EVBUFFER_LENGTH(buffer);
int last = lua_gettop(L);
int i;
+ if(last == 1) luaL_error(L, "Not enough arguments to add: expects at least 1 additional operand");
for(i = 2; i <= last; i++) {
if(!lua_isstring(L, i) && !is_event_buffer(L, i))
luaL_argerror(L, i, "Argument is not a string or buffer object");