diff options
Diffstat (limited to 'py/mpz.h')
| -rw-r--r-- | py/mpz.h | 9 |
1 files changed, 5 insertions, 4 deletions
@@ -93,9 +93,9 @@ typedef int8_t mpz_dbl_dig_signed_t; typedef struct _mpz_t { // Zero has neg=0, len=0. Negative zero is not allowed. size_t neg : 1; - size_t fixed_dig : 1; - size_t alloc : (8 * sizeof(size_t) - 2); - size_t len; + size_t fixed_dig : 1; // flag, 'dig' buffer cannot be reallocated + size_t alloc : (8 * sizeof(size_t) - 2); // number of entries allocated in 'dig' + size_t len; // number of entries used in 'dig' mpz_dig_t *dig; } mpz_t; @@ -145,7 +145,8 @@ static inline size_t mpz_max_num_bits(const mpz_t *z) { mp_int_t mpz_hash(const mpz_t *z); bool mpz_as_int_checked(const mpz_t *z, mp_int_t *value); bool mpz_as_uint_checked(const mpz_t *z, mp_uint_t *value); -void mpz_as_bytes(const mpz_t *z, bool big_endian, size_t len, byte *buf); +// Returns true if 'z' fit into 'len' bytes of 'buf' without overflowing, 'buf' is truncated otherwise. +bool mpz_as_bytes(const mpz_t *z, bool big_endian, bool as_signed, size_t len, byte *buf); #if MICROPY_PY_BUILTINS_FLOAT mp_float_t mpz_as_float(const mpz_t *z); #endif |