Subject: Re: mkdir -p and network drives
From: Paul Eggert <[email-masked]>
To: Eric Blake <[email-masked]>
Cc: "Pierre A. Humblet" <[email-masked]>, [email-masked], [email-masked]
Date: Thu, 05 May 2005 20:47:00 -0700

Eric Blake <[email-masked]> writes:

>> +      if (do_chdir && dirpath[0] == '/')
>> +	{
>> +	  /* POSIX says "//" might be special, so chdir to "//" if the
>> +	     file name starts with exactly two slashes.  */
>> +	  char const *root = "//" + (dirpath[1] != '/' || dirpath[2] == '/');
>
> Oops - buffer overflow bug.  dirpath[2] is past the end of the string on
> dirpath of "/",

If dirpath is "/", then dirpath[1] != '/' is true, so dirpath[2] isn't
evaluated.

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