[GRASS-user] r.colors: stack smashing detected when large floating point numbers added to rules

[Glynn Clements]

Patton, Eric wrote:

> r.colors terminates if a large floating-point number is added to the rules list (specifically, 12 decimal places or more).
> 
> In spearfish:
> 
> $ r.colors map=elevation.10m color=rules
> Enter rules, "end" when done, "help" if you need it.
> fp: Data range is 1061.0640869999999722494976595 to 1846.74340800000004492176231
> >1061.064086999999 blue
> *** stack smashing detected ***: r.colors terminated
> Aborted (core dumped)
> 
> It's not crucial for me to be able to enter color rules this
> precisely, but r.colors should probably handle cases like these
> without crashing.

Fixed in CVS (buffers enlarged from 16 bytes to 80 bytes).

-- 
Glynn Clements <glynn at gclements.plus.com>