On Sat, Jun 19, 2010 at 10:58 AM, Ulrich Drepper <drepper@xxxxxxxxxx> wrote:
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> On 06/19/2010 01:24 AM, Blue Swirl wrote:
>>> +static inline int serial_sysfs(char *d, char *s, int n)
>>> +{
>>> + char *di = d;
>>
>> I'd change this to:
>> static inline ssize_t serial_sysfs(char *d, const char *s, ssize_t n)
>> {
>> const char *di = d;
>>
>>> +
>>> + while (*s && n--)
>>> + *d++ = *s++;
>>> + return d - di;
>
> I would guess you mean
>
> char *const di = d;
>
> Quite different and doesn't elicit warnings from the compiler.
I had actually confused the types of d and s. So either your version
or the original for this line.
The return statement assumes that ptrdiff_t is equal to ssize_t (or
int in the original version) but I guess that's OK.
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