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* Fix some typosFrancois-Xavier Le Bail2022-07-041-1/+1
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* Convert visopts.py to Python 3. [skip ci]Denis Ovsienko2022-06-021-29/+40
| | | | | | | | | | In Python 3 "print" is a function, not a keyword; rearrange some imports clauses; redo the BPF expression escaping; for clarity use the full syntax within the string template; fix and improve the dot subprocess management; use modern HTTP server props. This revision has been tested to work with Python 3.8, it should work with earlier Python 3 versions as well.
* Make minor improvements to visopts.py.Denis Ovsienko2020-08-201-11/+18
| | | | | | | When dot fails to start, print a user-friendly error message instead of dumping the stack trace. Fixup some wording here and there. [skip ci]
* Use more HTTPS in URLsFrancois-Xavier Le Bail2020-01-191-4/+4
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* Have separate flags for "optimizer debug" and "print DOT graph".Guy Harris2018-05-031-4/+5
| | | | | | | | | | | Instead of having -dddd mean "-ddd and print the CFG as a DOT graph", have a separate -g flag to request the CFG. Also, put the routines to set the "optimizer debug" and "print DOT graph" flags into optimize.c, and make the flags in question static. (And "CFG graph" is redundant, like "ATM machine", "PIN number", and "NT technology"....)
* Update comments to reflect current reality.Guy Harris2018-05-031-5/+5
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* Rename the test program directory to testprogs.Guy Harris2018-02-061-0/+309
We may have a directory of test files in the future, and we'd want to call it "tests", paralleling tcpdump's directory of test files.