diff options
Diffstat (limited to 'lib/prefix.h')
| -rw-r--r-- | lib/prefix.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/prefix.h b/lib/prefix.h index d57b43dac6..e338140f1a 100644 --- a/lib/prefix.h +++ b/lib/prefix.h @@ -410,12 +410,20 @@ extern const char *prefix2str(union prefixconstptr, char *, int); extern int prefix_match(const struct prefix *, const struct prefix *); extern int prefix_match_network_statement(const struct prefix *, const struct prefix *); -extern int prefix_same(const struct prefix *, const struct prefix *); -extern int prefix_cmp(const struct prefix *, const struct prefix *); +extern int prefix_same(union prefixconstptr, union prefixconstptr); +extern int prefix_cmp(union prefixconstptr, union prefixconstptr); extern int prefix_common_bits(const struct prefix *, const struct prefix *); -extern void prefix_copy(struct prefix *dest, const struct prefix *src); +extern void prefix_copy(union prefixptr, union prefixconstptr); extern void apply_mask(struct prefix *); +#ifdef __clang_analyzer__ +/* clang-SA doesn't understand transparent unions, making it think that the + * target of prefix_copy is uninitialized. So just memset the target. + * cf. https://bugs.llvm.org/show_bug.cgi?id=42811 + */ +#define prefix_copy(a, b) ({ memset(a, 0, sizeof(*a)); prefix_copy(a, b); }) +#endif + extern struct prefix *sockunion2prefix(const union sockunion *dest, const union sockunion *mask); extern struct prefix *sockunion2hostprefix(const union sockunion *, |