diff options
Diffstat (limited to 'lapi.c')
-rw-r--r-- | lapi.c | 8 |
1 files changed, 3 insertions, 5 deletions
@@ -1239,14 +1239,12 @@ LUA_API void lua_toclose (lua_State *L, int idx) { | |||
1239 | LUA_API void lua_concat (lua_State *L, int n) { | 1239 | LUA_API void lua_concat (lua_State *L, int n) { |
1240 | lua_lock(L); | 1240 | lua_lock(L); |
1241 | api_checknelems(L, n); | 1241 | api_checknelems(L, n); |
1242 | if (n >= 2) { | 1242 | if (n > 0) |
1243 | luaV_concat(L, n); | 1243 | luaV_concat(L, n); |
1244 | } | 1244 | else { /* nothing to concatenate */ |
1245 | else if (n == 0) { /* push empty string */ | 1245 | setsvalue2s(L, L->top, luaS_newlstr(L, "", 0)); /* push empty string */ |
1246 | setsvalue2s(L, L->top, luaS_newlstr(L, "", 0)); | ||
1247 | api_incr_top(L); | 1246 | api_incr_top(L); |
1248 | } | 1247 | } |
1249 | /* else n == 1; nothing to do */ | ||
1250 | luaC_checkGC(L); | 1248 | luaC_checkGC(L); |
1251 | lua_unlock(L); | 1249 | lua_unlock(L); |
1252 | } | 1250 | } |