| 218 | |
| 219 | |
| 220 | void luaD_growstack(lua_State *L, int n) { |
| 221 | int size = L->stacksize; |
| 222 | if (size > LUAI_MAXSTACK) /* error after extra size? */ |
| 223 | luaD_throw(L, LUA_ERRERR); |
| 224 | else { |
| 225 | int needed = cast_int(L->top - L->stack) + n + EXTRA_STACK; |
| 226 | int newsize = 2 * size; |
| 227 | if (newsize > LUAI_MAXSTACK) newsize = LUAI_MAXSTACK; |
| 228 | if (newsize < needed) newsize = needed; |
| 229 | if (newsize > LUAI_MAXSTACK) { /* stack overflow? */ |
| 230 | luaD_reallocstack(L, ERRORSTACKSIZE); |
| 231 | luaG_runerror(L, "stack overflow"); |
| 232 | } |
| 233 | else |
| 234 | luaD_reallocstack(L, newsize); |
| 235 | } |
| 236 | } |
| 237 | |
| 238 | |
| 239 | static int stackinuse(lua_State *L) { |
no test coverage detected