UNISTDX_BASE_BASE64
base64_decode(const char * first, size_t n, char * result) -> UNISTDX_FLATTEN size_t

Decode BASE64 byte sequence.

std::invalid_argument
when input sequence is not valid BASE64 string

Decode BASE64 byte sequence pointed by first with length n and put result to memory location pointed by result.

See
RFC 4648
Return
the length of the decoded sequence
base64_encoded_size(size_t len) -> size_t

The length of len bytes sequence encoded in BASE64.

std::length_error
when len is too large to be encoded as BASE64 string on this system

See
RFC 4648
base64_max_decoded_size(size_t len) -> UNISTDX_CONST size_t

The length of len bytes sequence decoded from BASE64.

See
RFC 4648
base64_encode(const char * first, size_t n, char * result) -> UNISTDX_FLATTEN void

Encode byte sequence with BASE64. Encode byte sequence pointed by first with length n with BASE64 and put result to memory location pointed by result.

See
RFC 4648
base64_decode(const char * first, const char * last, char * result) -> size_t

Decode BASE64 byte sequence.

std::invalid_argument
when input sequence is not valid BASE64 string

Decode BASE64 byte sequence between first and last and put result to memory location pointed by result.

See
RFC 4648
Return
the length of the decoded sequence
base64_encode(const char * first, const char * last, char * result) -> void

Encode byte sequence with BASE64. Encode byte sequence located between first and last with BASE64 and put result to memory location pointed by result.

See
RFC 4648