Eric Blake <[EMAIL PROTECTED]> writes:
> According to Simon Josefsson on 3/24/2006 7:12 AM:
>> Thank you for your careful review!
>
> No problem; glad I could help.
>
>>
>> +/* Return true if CH is a character from the Base64 alphabet, and
>> + false otherwise. */
>> bool
>> isbase64 (char ch)
>
> What about '='? Isn't it part of the alphabet, yet isbase64('=') returns
> false?
No, '=' is padding and not part of the alphabet. I've improved the
comment:
/* Return true if CH is a character from the Base64 alphabet, and
false otherwise. Note that '=' is padding and not considered to be
part of the alphabet. */
This is in particular important when non-alphabet characters in the
stream is not ignored; '=' must be considered a non-alphabet character
then.
Thanks,
Simon
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