diff options
| -rw-r--r-- | util-src/pposix.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/util-src/pposix.c b/util-src/pposix.c index 8ad167b7..73e0d6e3 100644 --- a/util-src/pposix.c +++ b/util-src/pposix.c @@ -676,6 +676,8 @@ int lc_fallocate(lua_State* L) { off_t offset, len; FILE *f = *(FILE**) luaL_checkudata(L, 1, LUA_FILEHANDLE); + if (f == NULL) + luaL_error(L, "attempt to use a closed file"); offset = luaL_checkinteger(L, 2); len = luaL_checkinteger(L, 3); |