From: Chong Yidong <cyd@stupidchicken.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 7908@debbugs.gnu.org, tk@giga.or.at
Subject: bug#7908: png-1.5 fix for emacs-23.2 and HEAD
Date: Sat, 29 Jan 2011 15:33:00 -0500 [thread overview]
Message-ID: <87fwsbqwlf.fsf@stupidchicken.com> (raw)
In-Reply-To: <83zkqjfq0d.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 29 Jan 2011 21:50:42 +0200")
Eli Zaretskii <eliz@gnu.org> writes:
> Does this alternate definition of PNG_JMPBUF make sense?
>
> #define PNG_JMPBUF(ptr) \
> (*(jmp_buf *)(fn_png_set_longjmp_fn((ptr), longjmp, sizeof (jmp_buf))))
Aha, I think it makes sense. Since DEF_IMGLIB_FN defines a return type
of int, whereas fn_png_set_longjmp_fn actually returns a (jmp_buf *), we
do indeed need to perform the extra cast. Well spotted. Does Emacs
compile properly with this change?
next prev parent reply other threads:[~2011-01-29 20:33 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-24 12:54 bug#7908: png-1.5 fix for emacs-23.2 and HEAD Thomas Klausner
2011-01-24 17:43 ` Eli Zaretskii
2011-01-24 21:59 ` Thomas Klausner
2011-01-25 3:49 ` Eli Zaretskii
2011-01-25 7:18 ` Thomas Klausner
2011-01-25 10:53 ` Eli Zaretskii
2011-01-25 11:29 ` Thomas Klausner
2011-01-25 20:57 ` Chong Yidong
2011-01-25 21:09 ` Chong Yidong
2011-01-25 21:56 ` Eli Zaretskii
2011-01-25 23:35 ` Chong Yidong
2011-01-29 13:54 ` Eli Zaretskii
2011-01-29 15:44 ` Chong Yidong
2011-01-29 16:16 ` Eli Zaretskii
2011-01-29 18:29 ` Chong Yidong
2011-01-29 19:02 ` Eli Zaretskii
2011-01-29 19:50 ` Eli Zaretskii
2011-01-29 20:33 ` Chong Yidong [this message]
2011-01-29 20:46 ` Eli Zaretskii
2011-01-29 21:29 ` Chong Yidong
2011-01-29 22:03 ` Andreas Schwab
2011-01-29 22:27 ` Chong Yidong
2011-01-30 0:00 ` Andreas Schwab
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