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author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2018-05-07 01:30:00 +0900 |
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committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2018-05-09 11:57:36 +0900 |
commit | 583706abf96d2ea8cb2cd17e118d9254b47bd67f (patch) | |
tree | 20899a40bacb86eca4f3460f2beb25df687aef41 /src/basic/ether-addr-util.c | |
parent | e5c1be89b5fbf5bcdb645314265675fd47d64774 (diff) | |
download | systemd-583706abf96d2ea8cb2cd17e118d9254b47bd67f.tar.gz |
ether-addr-util: add hash_ops functions for struct ether_addr
Diffstat (limited to 'src/basic/ether-addr-util.c')
-rw-r--r-- | src/basic/ether-addr-util.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/src/basic/ether-addr-util.c b/src/basic/ether-addr-util.c index 7e08ba09f0..99ef936e84 100644 --- a/src/basic/ether-addr-util.c +++ b/src/basic/ether-addr-util.c @@ -33,18 +33,22 @@ char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR return buffer; } -bool ether_addr_equal(const struct ether_addr *a, const struct ether_addr *b) { +int ether_addr_compare(const void *a, const void *b) { assert(a); assert(b); - return a->ether_addr_octet[0] == b->ether_addr_octet[0] && - a->ether_addr_octet[1] == b->ether_addr_octet[1] && - a->ether_addr_octet[2] == b->ether_addr_octet[2] && - a->ether_addr_octet[3] == b->ether_addr_octet[3] && - a->ether_addr_octet[4] == b->ether_addr_octet[4] && - a->ether_addr_octet[5] == b->ether_addr_octet[5]; + return memcmp(a, b, ETH_ALEN); } +static void ether_addr_hash_func(const void *p, struct siphash *state) { + siphash24_compress(p, sizeof(struct ether_addr), state); +} + +const struct hash_ops ether_addr_hash_ops = { + .hash = ether_addr_hash_func, + .compare = ether_addr_compare +}; + int ether_addr_from_string(const char *s, struct ether_addr *ret) { size_t pos = 0, n, field; char sep = '\0'; |