On 07.03.2016 17:02, Eric Blake wrote:
> On 03/05/2016 11:13 AM, Max Reitz wrote:
> 
>>> +    index = atoi(child->name + 9);
>>
>> Optional: Assert absence of an error:
>>
> 
> Indeed, atoi() is worthless, because it cannot do error detection.
> 
>> unsigned long index;
>> char *endptr;
>>
>> index = strtoul(child->name + 9, &endptr, 10);
>> assert(index >= 0 && !*endptr);
> 
> Still incorrect; you aren't handling errno properly for detecting all
> errors.  Even better is to use qemu_strtoul(), which already handles
> proper error detection.

Yeah, I keep forgetting that it returns ULONG_MAX on range error...

Max

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