Mailing-List: contact modules-dev-help@httpd.apache.org; run by ezmlm
Precedence: bulk
Reply-To: modules-dev@httpd.apache.org
Received-SPF: pass (nike.apache.org: domain of saju.pillai@gmail.com
 designates 209.85.218.16 as permitted sender)
DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=message-id:date:from:to:subject:in-reply-to:mime-version
         :content-type:content-transfer-encoding:content-disposition
         :references;
        b=UU8KkAcH3UeHuH9v3QzoICXrqUCH3j3/2o+H5t6xZodTBv0vTmlEFnYbxWdmZULns9
         DMi9f1JAJpa6phBSIY6HMGoUzljANUiKfroM2sTGo0/N+N1RBap6zebULo13ArqMFzSI
         sZtDrktTIzHuBMvWarbOeWvBm+D2x7ITlaqQg=
Message-ID: <13c255070812122341yf0fe110o8c6943093a39361d@mail.gmail.com>
Date: Sat, 13 Dec 2008 13:11:14 +0530
From: "Saju Pillai" <saju.pillai@gmail.com>
To: modules-dev@httpd.apache.org
Subject: Re: understanding apr_strtok()
In-Reply-To: <04AF8576-4B87-43B7-88C5-725858574BBE@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
References: <8d38ca0a0812122256r5104bcb9l357e18577b6ff3d5@mail.gmail.com>
	 <49436505.5070706@pixar.com>
	 <04AF8576-4B87-43B7-88C5-725858574BBE@gmail.com>

2008/12/13 Saju Pillai <saju.pillai@gmail.com>:
>
> On 13-Dec-08, at 1:02 PM, Mark Harrison wrote:
>
>> Sam Carleton wrote:
>>>
>>> I am trying to use apr_strtok() for the first time.  I am taking the
>>> add_cookie() function from mod_rewrite.c, no changes.  I am passing in
>>> the string, variable 's':
>>> KioskViewingStation:KVS_VERSION::5
>>> The first line that executes in the function is:
>>>   char *tok_cntx;
>>>   var = apr_strtok(s, ":", &tok_cntx);
>>> I am getting an access violation.  I have tried initializing tok_cntx
>>> to NULL, but that does not seem to have any impact.  What is the
>>> correct way to use apr_strtok()?
>>> Sam
>>
>> One thing you can check:
>> Make sure that s points to writable memory.
>>
>
> Check that s is on the heap not on a function stack. Try apr_pstrdup(p, s)
> or memcpy(s) into malloc'd memory.

Sorry - I meant that explicitly defined strings would usually be
stuffed into read only memory. You want to copy your string onto heap.
[ignore blabber about function stack]

-srp

>
> srp
> --
> http://saju.net.in
>