Date: Thu, 16 Aug 2018 09:30:07 -0600 From: Alan Somers <asomers@freebsd.org> To: "Pedro F. Giffuni" <pfg@freebsd.org> Cc: src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r337419 - head/usr.bin/sed Message-ID: <CAOtMX2gUgDnA0G3qkWAV-R%2BSMb0bJu=d-odhXpQ7tuEiVKmRXw@mail.gmail.com> In-Reply-To: <201808071447.w77Eld3I069906@repo.freebsd.org> References: <201808071447.w77Eld3I069906@repo.freebsd.org>
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On Tue, Aug 7, 2018 at 8:47 AM, Pedro F. Giffuni <pfg@freebsd.org> wrote: > Author: pfg > Date: Tue Aug 7 14:47:39 2018 > New Revision: 337419 > URL: https://svnweb.freebsd.org/changeset/base/337419 > > Log: > sed(1): partial fix for the case of the regex delimited with '['. > > We don't generally support the weird case of regular expresions delimited > by an opening square bracket ('[') but POSIX says that inside > bracket expressions, escaping is not possible and both '[' and '\' > represent themselves. > > PR: 230198 (exp-run) > Obtained from: OpenBSD > > Modified: > head/usr.bin/sed/compile.c > > Modified: head/usr.bin/sed/compile.c > ============================================================ > ================== > --- head/usr.bin/sed/compile.c Tue Aug 7 14:39:00 2018 (r337418) > +++ head/usr.bin/sed/compile.c Tue Aug 7 14:47:39 2018 (r337419) > @@ -393,11 +393,11 @@ compile_delimited(char *p, char *d, int is_tr) > if ((d = compile_ccl(&p, d)) == NULL) > errx(1, "%lu: %s: unbalanced brackets > ([])", linenum, fname); > continue; > + } else if (*p == '\\' && p[1] == c) { > + p++; > } else if (*p == '\\' && p[1] == '[') { > *d++ = *p++; > - } else if (*p == '\\' && p[1] == c) > - p++; > - else if (*p == '\\' && p[1] == 'n') { > + } else if (*p == '\\' && p[1] == 'n') { > *d++ = '\n'; > p += 2; > continue; > > This change seems to have caused a regression in multi_test.sh. https://ci.freebsd.org/job/FreeBSD-head-amd64-test/8630/testReport/usr.bin.sed/multi_test/main/
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