WIP: Fscan/spec_avg_long: remove copy-and-paste of SFT file I/O code
Fscan/spec_avg_long.c includes a large copy-and-paste of SFT file I/O code from
SFTfileIO.c. As far as I can tell, the only reason this is done is so that
spec_avg_long can load a single SFT from a catalog at a time. However this is easily done by creating a dummy catalog containing the
SFTDescriptor for a single SFT at a time; this change is made in the 1st commit. The 2nd commit removes the duplicated SFT file I/O code.
Since this code doesn't have a test suite, I've no way of testing that this hasn't broken anything.
API Changes and Justification
Backwards Compatible Changes
- This change introduces no API changes
- This change adds new API calls
Backwards Incompatible Changes
- This change modifies an existing API
- This change removes an existing API
If any of the Backwards Incompatible check boxes are ticked please provide a justification why this change is necessary and why it needs to be done in a backwards incompatible way.