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- Do not look for more matching lines if -L is specified
Submitted by: eadler (based on)
MFC r296799 (by ian):
Fix a bug in bsdgrep that caused the program to hang in a tight loop for
some combinations of command line options and search patterns. The code was
examining regexec flags looking for a regcomp flag value. The fix is to
look in the struct field where the decoded regcomp flag was stored when the
regex was compiled.
With this fix, it's possible to build WITHOUT_GNU_GREP_COMPAT and
WITH_BSDGREP and have a usable GPL-free grep (which of course lacks gnugrep
extensions). It now passes the kyua tests except for one test that requires
the -z/--null-data gnu extension, and one test involving outputting context
lines across multiple files which appears to sometimes output an extra
delimiter line ("--") between matches (a rather obscure failure of a rather
obscure feature, so bsdgrep should be generally usable now).
MFC r303676:
Fix a segfault in bsdgrep when parsing the invalid extended regexps "?"
or "+" (these are invalid, because there is no preceding operand).
When bsdgrep attempts to emulate GNU grep in discarding and ignoring the
invalid ? or + operators, some later logic in tre_compile_fast() goes
beyond the end of the buffer, leading to a crash.
Fix this by bailing out, and reporting a bad pattern instead.
Reported by: Steve Kargl
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Fix by David Carlier.
MFC of r272127
Obtained from: HardenedBSD
PR: 167921
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Various style(9) fixes and typos in printf, grep, sort and patch.
#define should be followed by a tab.
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LANG=ru_RU.KOI8-R grep -i <some single KOI8-R letter>
Fix it.
MFC after: 3 days
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freebsd-current.
PR: bin/175213
Approved by: emaste (co-mentor)
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valid index into the input buffer.
PR: bin/175213
Reviewed by: gabor
Approved by: emaste (co-mentor)
MFC after: 1 week
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PR: bin/172865
Reviewed by: gabor
Approved by: emaste (co-mentor)
MFC after: 1 week
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In addition to adding `static' where possible:
- bin/date: Move `retval' into extern.h to make it visible to date.c.
- bin/ed: Move globally used variables into ed.h.
- sbin/camcontrol: Move `verbose' into camcontrol.h and fix shadow warnings.
- usr.bin/calendar: Remove unneeded variables.
- usr.bin/chat: Make `line' local instead of global.
- usr.bin/elfdump: Comment out unneeded function.
- usr.bin/rlogin: Use _Noreturn instead of __dead2.
- usr.bin/tset: Pull `Ospeed' into extern.h.
- usr.sbin/mfiutil: Put global variables in mfiutil.h.
- usr.sbin/pkg: Remove unused `os_corres'.
- usr.sbin/quotaon, usr.sbin/repquota: Remove unused `qfname'.
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- Allow disabling bzip2 support with WITHOUT_BZIP2
- Fix handling patterns that start with a dot
- Remove superfluous semicolon
Approved by: delphij (mentor)
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Tested with: make universe
Pointy hat to: delphij
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backported that was written for the TRE integration project in Google
Summer of Code 2011. This is a temporary solution until the whole
regex library is not replaced so that BSD grep development can continue
and the backported code gets some review and testing. This change only
improves scalability slightly, there is no big performance boost yet
but several minor bugs have been found and fixed.
Approved by: delphij (mentor)
Sposored by: Google Summer of Code 2011
MFC after: 1 week
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