[PATCH v4] Implement -e trace=/regex option

[Dmitry V. Levin]

On Fri, Apr 14, 2017 at 12:27:08PM +0800, JingPiao Chen wrote:
> * qualify.c: Include <regex.h>.
> (qualify_syscall_regex): New function.
> (qualify_syscall): Use it.
> * strace.1: Document -e trace=/regex option.
> * NEWS: Mention -e trace=/regex option.
> * tests/regex.test: New test.
> * tests/Makefile.am (DECODER_TESTS): Add it.
> * tests/options-syntax.test:
> Add check for invaild regexp and for regexp that doesn't match a syscall.

Applied with minor changes, thanks!


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