[GRASS5] [bug #4178] (grass) r.stats segfault

[Hamish]

> this bug's URL: http://intevation.de/rt/webrt?serial_num=4178
> ---------------------------------------------------------------------
> 
> Subject: r.stats segfault

> Running the following segfaults, r.stats should exit gracefully with
> an invalid map list:
> 
> > r.stats -a input=
> r.stats: Segmentation fault


These modules should be checked & fixed if needed before closing this bug:

r.buffer
r.cats
r.circle
r.compress
r.contour
r.cost
r.covar
r.cross
r.distance
r.drain
r.fill.dir
r.le
r.los
r.null
r.out.mpeg
r.out.vtk
r.profile
r.quant
r.random.surface
r.report
r.rescale
r.rescale.eq
r.to.rast3
r.transect
r.walk
r.water.outlet
r.what
wildfire/

base/
r3.mkdspf
r3.out.vtk
r3.to.rast

v.build
v.category
v.clean
v.distance
v.extract
v.extrude
v.in.dwg
v.in.ogr
v.label
v.mkgrid
v.net.iso
v.normal
v.overlay
v.patch
v.to.db
v.type
v.what


d.ask
d.barscale
d.geodesic
d.grid
d.legend
d.linegraph
d.nviz
d.rast
d.rhumbline
d.save
d.text
d.text.freetype
d.vect
d.vect.chart
d.what.rast
d.what.vect
d.zoom

g.mapsets
g.pnmcomp
g.region
manage/


if(! option->answer)
  G_fatal_error(..);

doesn't get triggered,

if(option->answers[0] == NULL )
  G_fatal_error(..);

does.



Hamish