Mirror of the gdb-patches mailing list
 help / color / mirror / Atom feed
From: Andreas Schwab <schwab@suse.de>
To: DJ Delorie <dj@redhat.com>
Cc: gdb-patches@sourceware.org
Subject: Re: Patch for isdigit/isalpha/etc. macro arguments
Date: Mon, 09 Apr 2007 14:17:00 -0000	[thread overview]
Message-ID: <jetzvp8wfa.fsf@sykes.suse.de> (raw)
In-Reply-To: <200704091342.l39DgoX1013027@greed.delorie.com> (DJ Delorie's 	message of "Mon, 9 Apr 2007 09:42:50 -0400")

DJ Delorie <dj@redhat.com> writes:

>> The value of '\377' is implementation-defined.
>
> Not in the context of fgetc or <ctype.h> (the places where ambiguity

The context does not matter.  The value of an expression is independent of
its context.

> In the case of casts from char* strings, the programmer should:
>
> 	isalpha((int)(unsigned char)(*s))

That's my very point.

> The cast to int may be optional.

It is.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."


      reply	other threads:[~2007-04-09 14:17 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-06 22:34 Steve Ellcey
2007-04-06 23:06 ` Mark Kettenis
2007-04-06 23:17   ` Steve Ellcey
2007-04-06 23:36   ` Steve Ellcey
2007-04-06 23:51     ` Mark Kettenis
2007-04-06 23:59       ` Steve Ellcey
2007-04-07  6:18       ` Andreas Schwab
2007-04-07  9:16         ` Eli Zaretskii
2007-04-07  9:26           ` Andreas Schwab
2007-04-07 17:32             ` Eli Zaretskii
2007-04-07 17:55               ` Andreas Schwab
2007-04-08  8:00                 ` Eli Zaretskii
2007-04-08  9:32                   ` Andreas Schwab
2007-04-08 14:11                     ` Daniel Jacobowitz
2007-04-10 21:16                       ` Steve Ellcey
2007-04-10 21:21                         ` Daniel Jacobowitz
2007-04-10 21:52                           ` DJ Delorie
2007-04-11  3:36                         ` Eli Zaretskii
2007-04-09 12:57                 ` DJ Delorie
2007-04-09 13:20                   ` Andreas Schwab
2007-04-09 13:43                     ` DJ Delorie
2007-04-09 14:17                       ` Andreas Schwab [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=jetzvp8wfa.fsf@sykes.suse.de \
    --to=schwab@suse.de \
    --cc=dj@redhat.com \
    --cc=gdb-patches@sourceware.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox