[GRASS5] MAXFILES in libgis too low
glynn at gclements.plus.com
Sat Apr 2 20:07:37 EST 2005
Markus Neteler wrote:
> > > while trying to export a few hundred maps into a
> > > big ERDAS/IMG multichannel file (using the GDAL/GRASS plugin
> > > and gdal_merge.py), I stumbled over
> > >
> > > lib/gis/G.h :#define MAXFILES 256
> > >
> > > While this number is lower than 365 days, Radim
> > > reminded me of the memory allocation.
> > >
> > > How to deal with this problem? Simply changing
> > > MAXFILES to a higher number will cause problems
> > > on handhelds.
> > Low memory or stripped down kernel maxfiles?
> No, it's sort of unrelated to kernel maxfiles.
> The point is that in lib/gis/G.h the fileinfo struct
> is allocated as fileinfo[MAXFILES]. So all the contents
> of this struct are allocated as often as MAXFILES is
You could change it to "struct fileinfo *" and reallocate the array
dynamically. However, you would need to be careful about holding
pointers to the individual slots, as they may be relocated if the
array is resized.
Glynn Clements <glynn at gclements.plus.com>
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