Re: [External] : [PATCH] expand: Add bypass for literal "]" in expandmeta
Jan Pechanec <[email protected]> Mon, 10 Mar 2025 09:35:00 +0100
| Newsgroups | org.kernel.vger.dash |
|---|---|
| Message-ID | <Z86kNH+oXupDQJ0X@len49> |
... > Fix performance regression for idiomatic "[ ... ]" expression by > adding a bypass for a literal "]" in pathname expansion. > > Reported-by: Jan Pechanec <[email protected]> > Fixes: 8d0eca2d9fb5 ("expand: Rewrite expmeta meta detection") > Signed-off-by: Herbert Xu <[email protected]> > > diff --git a/src/expand.c b/src/expand.c > index 7a30648..5114646 100644 > --- a/src/expand.c > +++ b/src/expand.c > @@ -1555,7 +1555,7 @@ expandmeta(struct strlist *str) > > if (fflag) > goto nometa; > - if (!strpbrk(str->text, "*?]")) > + if (!strpbrk(str->text, "*?]") || !memcmp(str->text, "]", 2)) > goto nometa; > savelastp = exparg.lastp; Hi Herbert, thank you, this seems to fix the regression reported. I just applied the patch and succesfully re-tested. Regards, Jan -- Jan Pechanec <[email protected]>