From: Rich Felker <dalias@libc.org>
To: musl@lists.openwall.com
Subject: Re: Re: [PATCH] regex: fix newline matching with negated brackets
Date: Tue, 21 Mar 2017 12:25:58 -0400 [thread overview]
Message-ID: <20170321162558.GA17319@brightrain.aerifal.cx> (raw)
In-Reply-To: <20170319033043.GN2082@port70.net>
On Sun, Mar 19, 2017 at 04:30:43AM +0100, Szabolcs Nagy wrote:
> * Julien Ramseier <j.ramseier@gmail.com> [2017-03-18 16:00:11 +0100]:
> > diff --git a/src/regex/regcomp.c b/src/regex/regcomp.c
> > index 5a7b53a..fb24556 100644
> > --- a/src/regex/regcomp.c
> > +++ b/src/regex/regcomp.c
> > @@ -636,6 +636,20 @@ static reg_errcode_t parse_bracket(tre_parse_ctx_t *ctx, const char *s)
> > goto parse_bracket_done;
> >
> > if (neg.negate) {
> > + /*
> > + * With REG_NEWLINE, POSIX requires that newlines are not matched by
> > + * any form of a non-matching list.
> > + */
> > + if (ctx->cflags & REG_NEWLINE) {
> > + lit = tre_new_lit(&ls);
> > + if (!lit) {
> > + err = REG_ESPACE;
> > + goto parse_bracket_done;
> > + }
> > + lit->code_min = '\n';
> > + lit->code_max = '\n';
> > + lit->position = -1;
> > + }
> > /* Sort the array if we need to negate it. */
> > qsort(ls.a, ls.len, sizeof *ls.a, tre_compare_lit);
> > /* extra lit for the last negated range */
> >
>
> looks good.
> thanks
Thanks for reviewing. Committing it.
Rich
prev parent reply other threads:[~2017-03-21 16:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-17 13:33 Julien Ramseier
2017-03-18 15:00 ` Julien Ramseier
2017-03-18 15:39 ` Rich Felker
2017-03-19 3:30 ` Szabolcs Nagy
2017-03-21 16:25 ` Rich Felker [this message]
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