calcSize
Compute the encoded length
Function parameters
Parameters
- encoder:*const Base64Encoder
- source_len:usize
Base64 codecs
Types
- Codecs
- Base64 codecs
Error sets in this namespace
Error Sets
The Base64 alphabet defined in
Values
- standard_alphabet_chars
- The Base64 alphabet defined in
- standard
- Standard Base64 codecs, with padding, as defined in
- standard_no_pad
- Standard Base64 codecs, without padding, as defined in
- url_safe_alphabet_chars
- The URL-safe Base64 alphabet defined in
- url_safe
- URL-safe Base64 codecs, with padding, as defined in
- url_safe_no_pad
- URL-safe Base64 codecs, without padding, as defined in
Source
Implementation
pub fn calcSize(encoder: *const Base64Encoder, source_len: usize) usize {
if (encoder.pad_char != null) {
return @divTrunc(source_len + 2, 3) * 4;
} else {
const leftover = source_len % 3;
return @divTrunc(source_len, 3) * 4 + @divTrunc(leftover * 4 + 2, 3);
}
}