Re: bin/60552: /usr/bin/grep failure under AMD64

On Fri, 7 Aug 2026 at 14:25, RVP via gnats <[email protected]> wrote:
>
> The following reply was made to PR bin/60552; it has been noted by GNATS.
>
> From: RVP <[email protected]>
> To: [email protected]
> Cc:
> Subject: Re: bin/60552: /usr/bin/grep failure under AMD64
> Date: Fri, 7 Aug 2026 13:21:39 +0000 (UTC)
>
>  On Fri, 7 Aug 2026, [email protected] via gnats wrote:
>
>  > '/usr/bin/grep -i' dumps core going through a file containing UTF16 characters, apparently when one has both -i and --color=auto specified.
>  >
>  > Observed on NetBSD-current from the end of June and on NetBSD-11 Release, only AMD64.
>  >
>  > The failure does not occur on NetBSD-current AARCH64.
>  >
>
>  That's the clue:

Correct, thanks. Tested.

>
>  ```
>  diff -urN src/external/gpl2/grep.orig/dist/src/grep.c src/external/gpl2/grep/dist/src/grep.c
>  --- src/external/gpl2/grep.orig/dist/src/grep.c        2022-09-09 22:14:29.000000000 +0000
>  +++ src/external/gpl2/grep/dist/src/grep.c     2026-08-07 13:13:39.605001274 +0000
>  @@ -582,7 +582,7 @@
>           char *ilim = ibeg + (lim - beg);
>           int i;
>           for (i = 0; i < lim - beg; i++)
>  -          ibeg[i] = tolower (beg[i]);
>  +          ibeg[i] = tolower ((unsigned char)beg[i]);
>           while ((match_offset = (*execute) (ibeg, ilim-ibeg, &match_size, 1))
>                  != (size_t) -1)
>             {
>  ```
>
>  -RVP
>


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