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ether-addr-util: introduce hw_addr_compare(), hw_addr_equal(), and hw_addr_is_null()

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This commit is contained in:
Yu Watanabe
2021-06-10 00:24:43 +09:00
parent ca2b7cd813
commit 30b977251c
2 changed files with 21 additions and 0 deletions
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src/basic/ether-addr-util.h
+8
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@@ -28,6 +28,14 @@ char* hw_addr_to_string(const struct hw_addr_data *addr, char buffer[HW_ADDR_TO_
#define HW_ADDR_NULL ((const struct hw_addr_data){})
int hw_addr_compare(const struct hw_addr_data *a, const struct hw_addr_data *b);
static inline bool hw_addr_equal(const struct hw_addr_data *a, const struct hw_addr_data *b) {
return hw_addr_compare(a, b) == 0;
}
static inline bool hw_addr_is_null(const struct hw_addr_data *addr) {
return hw_addr_equal(addr, &HW_ADDR_NULL);
}
#define ETHER_ADDR_FORMAT_STR "%02X%02X%02X%02X%02X%02X"
#define ETHER_ADDR_FORMAT_VAL(x) (x).ether_addr_octet[0], (x).ether_addr_octet[1], (x).ether_addr_octet[2], (x).ether_addr_octet[3], (x).ether_addr_octet[4], (x).ether_addr_octet[5]