diff options
Diffstat (limited to 'include/netlink/object-api.h')
| -rw-r--r-- | include/netlink/object-api.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/include/netlink/object-api.h b/include/netlink/object-api.h index 5877c00..b3337f0 100644 --- a/include/netlink/object-api.h +++ b/include/netlink/object-api.h @@ -198,7 +198,18 @@ extern "C" { * * @return True if the attribute is available, otherwise false is returned. */ -#define AVAILABLE(A, B, ATTR) (((A)->ce_mask & (B)->ce_mask) & (ATTR)) +#define AVAILABLE(A, B, ATTR) (((A)->ce_mask & (B)->ce_mask) & (ATTR)) + +/** + * Return true if attribute is available in only one of both objects + * @arg A an object + * @arg B another object + * @arg ATTR attribute bit + * + * @return True if the attribute is available in only one of both objects, + * otherwise false is returned. + */ +#define AVAILABLE_MISMATCH(A, B, ATTR) (((A)->ce_mask ^ (B)->ce_mask) & (ATTR)) /** * Return true if attributes mismatch @@ -215,7 +226,8 @@ extern "C" { * * @return True if the attribute mismatch, or false if they match. */ -#define ATTR_MISMATCH(A, B, ATTR, EXPR) (!AVAILABLE(A, B, ATTR) || (EXPR)) +#define ATTR_MISMATCH(A, B, ATTR, EXPR) (AVAILABLE_MISMATCH(A, B, ATTR) || \ + (AVAILABLE(A, B, ATTR) && (EXPR))) /** * Return attribute bit if attribute does not match |