diff options
Diffstat (limited to 'include/internal/bitops.h')
| -rw-r--r-- | include/internal/bitops.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/internal/bitops.h b/include/internal/bitops.h index b1bd848..0c1fde8 100644 --- a/include/internal/bitops.h +++ b/include/internal/bitops.h @@ -24,9 +24,40 @@ static inline void unset_bit_u16(int nr, u_int16_t *addr) addr[nr >> 4] &= ~(1UL << (nr & 15)); } +static inline void +set_bitmask_u32(u_int32_t *buf1, const u_int32_t *buf2, int len) +{ + int i; + + for (i=0; i<len; i++) + buf1[i] |= buf2[i]; +} + +static inline void +unset_bitmask_u32(u_int32_t *buf1, const u_int32_t *buf2, int len) +{ + int i; + + for (i=0; i<len; i++) + buf1[i] &= ~buf2[i]; +} + static inline int test_bit(int nr, const u_int32_t *addr) { return ((1UL << (nr & 31)) & (addr[nr >> 5])) != 0; } +static inline int +test_bitmask_u32(const uint32_t *buf1, const uint32_t *buf2, int len) +{ + int i; + + for (i=0; i<len; i++) { + if ((buf1[i] & buf2[i]) != buf2[i]) { + return 0; + } + } + return 1; +} + #endif |