11 Feb
2020
11 Feb
'20
4:09 p.m.
No, it's based on his work to make the shell use malloc. The paper
describing the work is included in the tarball.
Arnold
Rob Pike <robpike(a)gmail.com> wrote:
Is that version still using the interrupt trick? I
can't remember if I
ripped that out for (sad) portability reasons.
-rob
On Tue, Feb 11, 2020 at 6:47 PM <arnold(a)skeeve.com> wrote:
> For anyone who's interested, here is what it took to compile Geoff
> Collyer's v9sh on Ubuntu 18.04.
>
> Arnold
> ----------------------------------
> diff -ur v9sh/error.c v9sh-new/error.c
> --- v9sh/error.c 2017-07-29 11:45:07.000000000 +0300
> +++ v9sh-new/error.c 2020-02-10 17:31:33.275920947 +0200
> @@ -24,7 +24,7 @@
> }
> if (per) {
> prs(colon);
> - prs(errno < 0 || errno >= sys_nerr? "Bad errno":
> sys_errlist[errno]);
> + prs(strerror(errno));
> }
> newline();
> exitsh(ERROR);
> diff -ur v9sh/pathserv.c v9sh-new/pathserv.c
> --- v9sh/pathserv.c 2017-07-29 12:06:25.000000000 +0300
> +++ v9sh-new/pathserv.c 2020-02-10 17:29:43.666971083 +0200
> @@ -30,7 +30,7 @@
> {
> struct stat buf;
>
> - if (stat(name, &buf) == 0 && (buf.st_mode&S_IFMT) == S_IFREG
&&
> + if (stat(name, &buf) == 0 && S_ISREG(buf.st_mode) &&
> access(name, EXECUTE) == 0)
> return 0;
> else
> diff -ur v9sh/xec.c v9sh-new/xec.c
> --- v9sh/xec.c 2017-07-29 12:27:02.000000000 +0300
> +++ v9sh-new/xec.c 2020-02-10 17:29:50.607030967 +0200
> @@ -612,7 +612,7 @@
>
> if (flags&ttyflg && (dir1 = spname(tempdir,
> &score)) &&
> stat(dir1, &sb) == 0 &&
> - (sb.st_mode&S_IFMT) == S_IFDIR &&
> + S_ISDIR(sb.st_mode) &&
> access(dir1, EXECUTE) == 0) {
> /* dir1 is a searchable directory. */
> if (score < bestscore) {
>