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-rw-r--r--src/basic/bitmap.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/basic/bitmap.c b/src/basic/bitmap.c
index d559be1bbb..c5039fd22f 100644
--- a/src/basic/bitmap.c
+++ b/src/basic/bitmap.c
@@ -152,12 +152,12 @@ bool bitmap_iterate(Bitmap *b, Iterator *i, unsigned *n) {
long long bitmask;
unsigned offset, rem;
- if (!b && i->idx == BITMAP_END)
+ if (!b || i->idx == BITMAP_END)
return false;
offset = BITMAP_NUM_TO_OFFSET(i->idx);
rem = BITMAP_NUM_TO_REM(i->idx);
- bitmask = 1 << rem;
+ bitmask = 1ULL << rem;
for (; offset < b->n_bitmaps; offset ++) {
if (b->bitmaps[offset]) {