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From: DJ Delorie <dj@redhat.com>
To: qinwei@sunnorth.com.cn
Cc: gdb-patches@sourceware.org
Subject: Re: [patch] libiberty/vasprintf.c bug
Date: Fri, 23 Mar 2007 03:45:00 -0000	[thread overview]
Message-ID: <200703230345.l2N3jdLu002570@greed.delorie.com> (raw)
In-Reply-To: <OFE8DB7B6F.2C137A3A-ON482572A7.000EB49B-482572A7.000F0BA3@sunnorth.com.cn> 	(message from qinwei on Fri, 23 Mar 2007 10:44:20 +0800)


>  > If ptr is NULL, shouldn't we add strlen("(null)") ?
> 
> Yes. This will cause error.

> const char *p = NULL;
> int i = strlen (p);

I understand that.  My question was, if you printf("%s", NULL), what
happens?  If it prints "(null)", does that mean you need to account
for the length of that string in your calculations?

(also, note that libiberty patches go to gcc-patches@gcc.gnu.org, in
addition to any other lists who might be interested)


      reply	other threads:[~2007-03-23  3:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-22  8:15 qinwei
2007-03-22 18:16 ` DJ Delorie
2007-03-23  2:44   ` qinwei
2007-03-23  3:45     ` DJ Delorie [this message]

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