On Mon, Aug 2, 2010 at 3:27 PM, H. Peter Anvin <hpa@zytor.com> wrote:
quoted text
> On 08/02/2010 10:56 AM, Thiago Farina wrote:
>>
>> These to functions above can be fairly simplified by writting as:
>>
>> static bool inline is_hex_digit(int c) {
>>   return (c >= '0' && c <= '9') ||
>>             (c >= 'A' && c <= 'F') ||
>>             (c >= 'a' && c <= 'f');
>> }
>>
>
> a) You lose the isdigit() functionality, which is useful on its own.
> b) Does this enahance readability in any way?
> c) Your proposed renaming is nonstandard.
>

What about this instead?

static inline bool isxdigit(int ch) {
  return (isdigit(ch) || (ch >= 'A' && ch <= 'F') || (ch >= 'a' && ch <= 'f');
}

quoted text
> As such, I don't think this is a good idea.
>
>        -hpa
>
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