10 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
16 * Calculate length of base16-encoded data
18 * @v raw_len Raw data length
19 * @ret encoded_len Encoded string length (excluding NUL)
21 static inline size_t base16_encoded_len ( size_t raw_len ) {
22 return ( 2 * raw_len );
26 * Calculate maximum length of base16-decoded string
28 * @v encoded Encoded string
29 * @v max_raw_len Maximum length of raw data
31 static inline size_t base16_decoded_max_len ( const char *encoded ) {
32 return ( ( strlen ( encoded ) + 1 ) / 2 );
35 extern size_t hex_encode ( char separator, const void *raw, size_t raw_len,
36 char *data, size_t len );
37 extern int hex_decode ( char separator, const char *encoded, void *data,
44 * @v raw_len Length of raw data
46 * @v len Length of buffer
47 * @ret len Encoded length
49 static inline __attribute__ (( always_inline )) size_t
50 base16_encode ( const void *raw, size_t raw_len, char *data, size_t len ) {
51 return hex_encode ( 0, raw, raw_len, data, len );
57 * @v encoded Encoded string
59 * @v len Length of buffer
60 * @ret len Length of data, or negative error
62 static inline __attribute__ (( always_inline )) int
63 base16_decode ( const char *encoded, void *data, size_t len ) {
64 return hex_decode ( 0, encoded, data, len );
67 #endif /* _IPXE_BASE16_H */