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bug#5984: Crash displaying composed characters
From: |
Eli Zaretskii |
Subject: |
bug#5984: Crash displaying composed characters |
Date: |
Tue, 20 Apr 2010 22:18:40 +0300 |
> Date: Tue, 20 Apr 2010 20:29:29 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc:
>
> . The call to auto-composition-function loads uni-combining.el. And
> because force-load-messages is non-nil, that displays the 2
> messages
>
> Loading lisp/international/uni-combining.el (source)...
> Loading lisp/international/uni-combining.el (source)...done
>
> . Now the " *Echo Area0*" buffer holds a totally different text,
> unbeknownst to autocmp_chars, which still passes the old values 32
> and 33 to TEMP_SET_PT_BOTH:
>
> if (NILP (string))
> TEMP_SET_PT_BOTH (pt, pt_byte);
> return unbind_to (count, gstring);
>
> . temp_set_pt_both uses BUF_ZV and BUF_ZV_BYTE to validate its
> argument, but now BUF_ZV and BUF_ZV_BYTE correspond to the text
> "Loading ...", which has an entirely different length and
> contents, and the validation fails. Therefore, temp_set_pt_both
> aborts.
>
> One kludgy way of fixing this would be to bind force-load-messages to
> nil around the call to auto-composition-function. But that sounds too
> harsh: after all, whoever sets that variable, actually wants to see
> all these messages.
>
> Another way is to force the "Loading..." messages use the second echo
> area buffer. Do we have ways to do something like that?
>
> Ideas are welcome.
Here's one idea: use push_message and restore_message to save and
restore the current echo area message around the call to
auto-composition-function. WDYT?
- bug#5984: Crash displaying composed characters, Juanma Barranquero, 2010/04/20
- bug#5984: Crash displaying composed characters, Eli Zaretskii, 2010/04/20
- bug#5984: Crash displaying composed characters, Juanma Barranquero, 2010/04/20
- bug#5984: Crash displaying composed characters, Eli Zaretskii, 2010/04/20
- bug#5984: Crash displaying composed characters, Juanma Barranquero, 2010/04/20
- bug#5984: Crash displaying composed characters, Eli Zaretskii, 2010/04/20
- bug#5984: Crash displaying composed characters, Lennart Borgman, 2010/04/20
- bug#5984: Crash displaying composed characters,
Eli Zaretskii <=
- bug#5984: Crash displaying composed characters, Andreas Schwab, 2010/04/20
- bug#5984: Crash displaying composed characters, Juanma Barranquero, 2010/04/21
- bug#5984: Crash displaying composed characters, Andreas Schwab, 2010/04/21
- bug#5984: Crash displaying composed characters, Juanma Barranquero, 2010/04/21
- bug#5984: Crash displaying composed characters, Eli Zaretskii, 2010/04/23
- bug#5984: Crash displaying composed characters, Stefan Monnier, 2010/04/30