| 680 | |
| 681 | |
| 682 | static int f_seek (lua_State *L) { |
| 683 | static const int mode[] = {SEEK_SET, SEEK_CUR, SEEK_END}; |
| 684 | static const char *const modenames[] = {"set", "cur", "end", NULL}; |
| 685 | FILE *f = tofile(L); |
| 686 | int op = luaL_checkoption(L, 2, "cur", modenames); |
| 687 | lua_Integer p3 = luaL_optinteger(L, 3, 0); |
| 688 | l_seeknum offset = (l_seeknum)p3; |
| 689 | luaL_argcheck(L, (lua_Integer)offset == p3, 3, |
| 690 | "not an integer in proper range"); |
| 691 | op = l_fseek(f, offset, mode[op]); |
| 692 | if (op) |
| 693 | return luaL_fileresult(L, 0, NULL); /* error */ |
| 694 | else { |
| 695 | lua_pushinteger(L, (lua_Integer)l_ftell(f)); |
| 696 | return 1; |
| 697 | } |
| 698 | } |
| 699 | |
| 700 | |
| 701 | static int f_setvbuf (lua_State *L) { |
nothing calls this directly
no test coverage detected