libsepol: add ebitmap_for_each_set_bit macro
Most of the users of ebitmap_for_each_bit() macro only care for the set
bits, so introduce a new ebitmap_for_each_positive_bit() macro that
skips the unset bits. Replace uses of ebitmap_for_each_bit() with the
new macro where appropriate.
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
diff --git a/libsepol/include/sepol/policydb/ebitmap.h b/libsepol/include/sepol/policydb/ebitmap.h
index 94fb7ef..e62df01 100644
--- a/libsepol/include/sepol/policydb/ebitmap.h
+++ b/libsepol/include/sepol/policydb/ebitmap.h
@@ -76,6 +76,9 @@
#define ebitmap_for_each_bit(e, n, bit) \
for (bit = ebitmap_start(e, &n); bit < ebitmap_length(e); bit = ebitmap_next(&n, bit)) \
+#define ebitmap_for_each_positive_bit(e, n, bit) \
+ ebitmap_for_each_bit(e, n, bit) if (ebitmap_node_get_bit(n, bit)) \
+
extern int ebitmap_cmp(const ebitmap_t * e1, const ebitmap_t * e2);
extern int ebitmap_or(ebitmap_t * dst, const ebitmap_t * e1, const ebitmap_t * e2);
extern int ebitmap_union(ebitmap_t * dst, const ebitmap_t * e1);