r2119 - Divide By Zero in stadtauto_t::can

r2119 - Divide By Zero in stadtauto_t::can_overtake

November 17, 2008, 07:50:24 am

simutrans r2119 GDI

When I loaded a very old game, simutrans crashed just after starting the game.

Quote

simutrans-.exe caused an Integer Divide By Zero at location 005979b9 in module simutrans-.exe.

Registers:
eax=000382a0 ebx=000382a0 ecx=00000000 edx=00000000 esi=08e0abb0 edi=00730070
eip=005979b9 esp=0023ee90 ebp=0023f298 iopl=0 nv up ei pl zr ac po nc
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00000256

Call stack:
005979B9 simutrans-.exe:005979B9 stadtauto_t::can_overtake(overtaker_t*, int, int, int) simverkehr.cc:893
0057AE28 simutrans-.exe:0057AE28 karte_t::interactive() simworld.cc:4320
005A24E3 simutrans-.exe:005A24E3 WinMain simsys_w16.cc:756
00401247 simutrans-.exe:00401247
00401298 simutrans-.exe:00401298
7C817067 kernel32.dll:7C817067 RegisterWaitForInputIdle

vehicle\simverkehr.cc:893

Code: [Select]

	sint32 distance = current_speed*((10<<4)+steps_other)/(besch->gib_geschw()-other_speed);

Re: r2119 - Divide By Zero in stadtauto_t::can_overtake

Reply #1 – November 17, 2008, 10:09:05 am

Hmm, not easy to see why this could happen. Do you have the savegame in question?

Re: r2119 - Divide By Zero in stadtauto_t::can_overtake

Reply #2 – November 17, 2008, 03:58:23 pm

Thank you.
It's not my game, so I send a PM.

Re: r2119 - Divide By Zero in stadtauto_t::can_overtake

Reply #3 – November 17, 2008, 09:27:36 pm

Maybe fixed in next nightly.

[solved]Re: r2119 - Divide By Zero in stadtauto_t::can_overtake

Reply #4 – November 18, 2008, 06:29:25 am

Thank you.