diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/osmocore/bits.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/osmocore/bits.h b/include/osmocore/bits.h index eb2cbcba..8d4a0789 100644 --- a/include/osmocore/bits.h +++ b/include/osmocore/bits.h @@ -7,6 +7,12 @@ typedef uint8_t sbit_t; /* soft bit (-127...127) */ typedef uint8_t ubit_t; /* unpacked bit (0 or 1) */ typedef uint8_t pbit_t; /* packed bis (8 bits in a byte) */ +/* + NOTE on the endianess of pbit_t: + Bits in a pbit_t are ordered MSB first, i.e. 0x80 is the first bit. + Bit i in a pbit_t array is array[i/8] & (1<<(7-i%8)) +*/ + /* determine how many bytes we would need for 'num_bits' packed bits */ static inline unsigned int osmo_pbit_bytesize(unsigned int num_bits) { |