diff options
Diffstat (limited to 'lib/bitfield.h')
| -rw-r--r-- | lib/bitfield.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/bitfield.h b/lib/bitfield.h index 9af4053daf..79f6f205c3 100644 --- a/lib/bitfield.h +++ b/lib/bitfield.h @@ -72,7 +72,8 @@ DECLARE_MTYPE(BITFIELD); do { \ (v).n = 0; \ (v).m = ((N) / WORD_SIZE + 1); \ - (v).data = XCALLOC(MTYPE_BITFIELD, ((v).m * sizeof(word_t))); \ + (v).data = (word_t *)XCALLOC(MTYPE_BITFIELD, \ + ((v).m * sizeof(word_t))); \ } while (0) /** @@ -268,6 +269,19 @@ static inline unsigned int bf_find_next_set_bit(bitfield_t v, (v).data = NULL; \ } while (0) +static inline bitfield_t bf_copy(bitfield_t src) +{ + bitfield_t dst; + + assert(bf_is_inited(src)); + bf_init(dst, WORD_SIZE * (src.m - 1)); + for (size_t i = 0; i < src.m; i++) + dst.data[i] = src.data[i]; + dst.n = src.n; + return dst; +} + + #ifdef __cplusplus } #endif |