From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Tue, 2 Aug 2022 06:04:50 +0000 (+0900)
Subject: ether-addr-util: introduce hw_addr_set() helper function
X-Git-Tag: v252-rc1~494^2~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=069f5df05169ff4263a09300c66224951071e641;p=thirdparty%2Fsystemd.git

ether-addr-util: introduce hw_addr_set() helper function
---

diff --git a/src/basic/ether-addr-util.c b/src/basic/ether-addr-util.c
index c609ea6ce01..0a6a54f8f13 100644
--- a/src/basic/ether-addr-util.c
+++ b/src/basic/ether-addr-util.c
@@ -33,6 +33,15 @@ char *hw_addr_to_string_full(
         return buffer;
 }
 
+struct hw_addr_data *hw_addr_set(struct hw_addr_data *addr, const uint8_t *bytes, size_t length) {
+        assert(addr);
+        assert(length <= HW_ADDR_MAX_SIZE);
+
+        addr->length = length;
+        memcpy_safe(addr->bytes, bytes, length);
+        return addr;
+}
+
 int hw_addr_compare(const struct hw_addr_data *a, const struct hw_addr_data *b) {
         int r;
 
diff --git a/src/basic/ether-addr-util.h b/src/basic/ether-addr-util.h
index 32f45fe8135..83ed77d6345 100644
--- a/src/basic/ether-addr-util.h
+++ b/src/basic/ether-addr-util.h
@@ -52,6 +52,8 @@ static inline char *hw_addr_to_string(const struct hw_addr_data *addr, char buff
 
 #define HW_ADDR_NULL ((const struct hw_addr_data){})
 
+struct hw_addr_data *hw_addr_set(struct hw_addr_data *addr, const uint8_t *bytes, size_t length);
+
 void hw_addr_hash_func(const struct hw_addr_data *p, struct siphash *state);
 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) {