[LIBC] Modfied Version of sscanf

[Artem Belevich]

On Mon, May 2, 2011 at 6:00 AM, Robert Schulze <rs at bytecamp.net> wrote:
> Hi,
>
> Am 02.05.2011 14:13, schrieb Martin Möller:
>>
>> Criteria:
>>     o Receive the value of<resource>
>>     o Check the Environment: Is<resource>  really sourrounded by 'GET '
>> and
>>       'HTTP/1.1' ?!
>
> these quite simple criteria might be matched by code like this one:
>
> char *ptr=NULL;
> char *res=NULL;
> if(strstr(str,"GET ")==str) /* "GET " at beginning? */
>        {
>        ptr=(str+4);
>        if(ptr && (ptr=strstr(ptr," HTTP/1.1"))) /* find end of res */
>                {
>                *ptr=0; /* temp delimiter */
>                res=strdup(ptr);
>                *ptr=' '; /* restore original value of str */
>                }
>        }

Bzzt!

Try it on "GET blah_HTTP/1.1.1.1.1.1_whatever HTTP/1.1"

>
> res is the value of <resource>, or NULL.
>

Second problem -- res on success will always be "" as you've just did *ptr=0.

--Artem

> with kind regards,
> Robert Schulze
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