diff options
Diffstat (limited to 'lib/prefix.h')
| -rw-r--r-- | lib/prefix.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/prefix.h b/lib/prefix.h index 5f88eaae05..e338140f1a 100644 --- a/lib/prefix.h +++ b/lib/prefix.h @@ -416,6 +416,14 @@ extern int prefix_common_bits(const struct prefix *, const struct prefix *); 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 *, |