Hi MarkusM and all, I'm trying to understand if the Segment_open() [1] function fills with zeros or not. I don't think it does since it is calling G_malloc (malloc) or Segment_format_nofill(). However, it is not completely clear to me what is supposed to be doing because documentation still says it calls Segment_format() and I don't understand context of the related commit [2, 3] and the usage of lseek and USE_LSEEK are not clear to me from format.c [4].
Markus, can you please clarify that for me? I will then update the documentation with whatever is needed. Thanks, Vaclav [1] https://grass.osgeo.org/programming7/segment_2open_8c.html#ae24d2e794c66c0512b67d7cea8b2ba9a [2] https://github.com/OSGeo/grass/commit/7a0d8d749537acd6d5c4baea11dbb6167fdef916 [3] https://trac.osgeo.org/grass/changeset/73268 [4] https://github.com/OSGeo/grass/blob/master/lib/segment/format.c
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