Draw grid option (-g) results in SIGFPE #73
Description
$ astroterm -g
Floating point exception (core dumped)
$ rpm -qf $(which astroterm)
astroterm-1.0.5-1.fc41.x86_64
$ rpm -q --changelog astroterm
* Tue Jan 21 2025 Jonathan Wright <[email protected]> - 1.0.5-1
- Initial package build rhbz#2339148
This looks like a division by 0 (90 / inc + 1 where inc is 0).
$ gdb astroterm
GNU gdb (Fedora Linux) 15.2-4.fc41
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Reading symbols from astroterm...
Reading symbols from /usr/lib/debug/usr/bin/astroterm-1.0.5-1.fc41.x86_64.debug...
(gdb) r -g
Program received signal SIGFPE, Arithmetic exception.
0x00005555555580cb in render_azimuthal_grid (win=0x5555558c56b0, config=0x7fffffffccd0) at ../src/core_render.c:282
282 int number_angles = 90 / inc + 1;
(gdb) bt
#0 0x00005555555580cb in render_azimuthal_grid (win=0x5555558c56b0, config=0x7fffffffccd0) at ../src/core_render.c:282
#1 main (argc=<optimized out>, argv=<optimized out>) at ../src/main.c:183
(gdb) p inc
$1 = 0