[TUHS] compiling v9sh

[Rob Pike]

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 at 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) {
>
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