diff options
Diffstat (limited to 'source3/lib/bitmap.c')
| -rw-r--r-- | source3/lib/bitmap.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/source3/lib/bitmap.c b/source3/lib/bitmap.c index f67ea994e5..ab84a2a84e 100644 --- a/source3/lib/bitmap.c +++ b/source3/lib/bitmap.c @@ -43,7 +43,7 @@ struct bitmap *bitmap_allocate(int n) return NULL; } - memset(bm->b, 0, sizeof(bm->b[0])*bm->n); + memset(bm->b, 0, sizeof(bm->b[0])*(n+31)/32); return bm; } @@ -70,6 +70,16 @@ BOOL bitmap_set(struct bitmap *bm, unsigned i) } /**************************************************************************** +clear a bit in a bitmap +****************************************************************************/ +BOOL bitmap_clear(struct bitmap *bm, unsigned i) +{ + if (i >= bm->n) return False; + bm->b[i/32] &= ~(1<<(i%32)); + return True; +} + +/**************************************************************************** query a bit in a bitmap ****************************************************************************/ BOOL bitmap_query(struct bitmap *bm, unsigned i) |