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bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS
From: |
Eli Zaretskii |
Subject: |
bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS |
Date: |
Fri, 15 Jul 2022 17:26:38 +0300 |
> From: Robert Pluim <rpluim@gmail.com>
> Cc: Eli Zaretskii <eliz@gnu.org>, Po Lu <luangruo@yahoo.com>,
> 56553@debbugs.gnu.org
> Date: Fri, 15 Jul 2022 15:57:40 +0200
>
> >>>>> On Fri, 15 Jul 2022 15:55:40 +0200, Gerd Möllmann
> >>>>> <gerd.moellmann@gmail.com> said:
>
> >> On 2022-07-15,, at 12:37 , Eli Zaretskii <eliz@gnu.org> wrote:
> >>
> >>> From: Gerd Möllmann <gerd.moellmann@gmail.com>
> >>> Date: Fri, 15 Jul 2022 11:14:02 +0200
> >>> Cc: Eli Zaretskii <eliz@gnu.org>,
> >>> 56553@debbugs.gnu.org
> >>>
> >>>
> >>>> On 2022-07-15,, at 10:23 , Po Lu <luangruo@yahoo.com> wrote:
> >>>
> >>>> Yes, you're right here. I think that code does want to access the
> >>>> individual bytes.
> >>>
> >>> Interestingly, just doing
> >>>
> >>> const char *bitmap_bytes = (const char *) bits;
> >>> bool bit = bitmap_bytes[byte] & (0x80 >> x % 8);
> >>>
> >>> here results in garbage fringe bitmaps beign displayed. I'm stumped.
> >>
> >> Is the machine little-endian or big-endian?
>
> Gerd> Good question! I think it's little-endian, but I'm not 100% sure.
>
> Both Intel and Arm based macs are little-endian
Then I guess my theory doesn't hold water?
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, (continued)
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Eli Zaretskii, 2022/07/14
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Gerd Möllmann, 2022/07/14
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Gerd Möllmann, 2022/07/14
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Eli Zaretskii, 2022/07/14
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Gerd Möllmann, 2022/07/14
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Po Lu, 2022/07/15
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Gerd Möllmann, 2022/07/15
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Eli Zaretskii, 2022/07/15
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Gerd Möllmann, 2022/07/15
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Robert Pluim, 2022/07/15
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS,
Eli Zaretskii <=
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Andreas Schwab, 2022/07/15
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Gerd Möllmann, 2022/07/15
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Gerd Möllmann, 2022/07/15
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Gerd Möllmann, 2022/07/16
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Andreas Schwab, 2022/07/15
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Eli Zaretskii, 2022/07/15
- bug#56553: 29.0.50; ASAN error with fringe bitmaps on NS, Gerd Möllmann, 2022/07/15