On 2025/1/14 07:46, Rob Herring wrote:
>> i understand your concern about performance.
>>
>> what about below solution ?
> See 72921427d46b ("string.h: Add str_has_prefix() helper function").
>
> Though we already had strstarts(), but that lacks __always_inline which
> seems is important for eliminating the strlen(). Also, since that
> commit, clang has become more common and need to make sure the same
> optimization happens on it.
than you Rob for sharing with these useful info.
i believe your proposal is feasible to improve strstarts() performance
to achieve performance level of
strncmp(str, "const", sizeof("const") - 1).
this is a common issue and i would like to start a new thread to discuss
this.
