Some checks for return codes are missing.
Examples:
Would you like to add more error handling for return values from "fprintf" like in the functions "awk_load_program_file"?
http://xastir.cvs.sourceforge.net/xastir/xastir/src/awk.c?revision=1.35&view=markup
The Xastir project no longer uses sourceforge for issue tracking and I am closing all open issues (all of which are very old).
If this issue is still important, please open a new one on https://github.com/Xastir/Xastir.