diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/osmocom/core/bits.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/osmocom/core/bits.h b/include/osmocom/core/bits.h index f3045e47..1587b050 100644 --- a/include/osmocom/core/bits.h +++ b/include/osmocom/core/bits.h @@ -77,4 +77,14 @@ uint32_t osmo_revbytebits_8(uint8_t x); /* \brief reverse the bits of each byte in a given buffer */ void osmo_revbytebits_buf(uint8_t *buf, int len); +/*! \brief left circular shift + * \param[in] in The 16 bit unsigned integer to be rotated + * \param[in] shift Number of bits to shift \a in to, [0;16] bits + * \returns shifted value + */ +static inline uint16_t osmo_rol16(uint16_t in, unsigned shift) +{ + return (in << shift) | (in >> (16 - shift)); +} + /*! @} */ |