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From: Jan-Benedict Glaw <jbglaw@lug-owl.de>
To: linux-c-programming@vger.kernel.org
Subject: Re: strtok_r crashing
Date: Thu, 14 Nov 2002 13:50:13 +0100	[thread overview]
Message-ID: <20021114125013.GN1525@lug-owl.de> (raw)
In-Reply-To: <OF8E547BE6.AC22B859-ON65256C71.0045BBB6@pune.tcs.co.in>

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On Thu, 2002-11-14 18:16:04 +0530, Hemant Mohan <hemantm@pune.tcs.co.in>
wrote in message <OF8E547BE6.AC22B859-ON65256C71.0045BBB6@pune.tcs.co.in>:
> Hi,
> 
> I am trying to parse a string using strtok_r (I need reentrant code) as
> follows:
> 
> #include <string.h>
> #include <stdio.h>
> #include <stdlib.h>
> 
> int main()
> {
>   char *str = NULL;
>   char *temp = NULL;
>   char **ptr = NULL;   // Note that this is a char**

Note that there's no memory allocated for *ptr.

> This code receives a SIGSEGV in strtok_r.

Surely. Accessing random memory.


-- 
   Jan-Benedict Glaw       jbglaw@lug-owl.de    . +49-172-7608481
   "Eine Freie Meinung in  einem Freien Kopf    | Gegen Zensur
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  reply	other threads:[~2002-11-14 12:50 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-11-14 12:46 strtok_r crashing Hemant Mohan
2002-11-14 12:50 ` Jan-Benedict Glaw [this message]
2002-11-15  5:45   ` Hemant Mohan
2002-11-15  6:26     ` Glynn Clements
2002-11-15  6:42       ` Hemant Mohan

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