X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Fsocket-util.c;fp=src%2Fshared%2Fsocket-util.c;h=e3e54e8e089aeeec135b65e0754b8cf2cf1dec81;hp=38729a25b80279d4b7fabdba9b84f52c49c64350;hb=db73295accbec0c6513817f0a64a92018592bb26;hpb=c22bf27beea56516d8f83784759fb30495e058d7

diff --git a/src/shared/socket-util.c b/src/shared/socket-util.c
index 38729a25b..e3e54e8e0 100644
--- a/src/shared/socket-util.c
+++ b/src/shared/socket-util.c
@@ -727,3 +727,22 @@ bool sockaddr_equal(const union sockaddr_union *a, const union sockaddr_union *b
 
         return false;
 }
+
+char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR_TO_STRING_MAX]) {
+        assert(addr);
+        assert(buffer);
+
+        /* Like ether_ntoa() but uses %02x instead of %x to print
+         * ethernet addresses, which makes them look less funny. Also,
+         * doesn't use a static buffer. */
+
+        sprintf(buffer, "%02x:%02x:%02x:%02x:%02x:%02x",
+                addr->ether_addr_octet[0],
+                addr->ether_addr_octet[1],
+                addr->ether_addr_octet[2],
+                addr->ether_addr_octet[3],
+                addr->ether_addr_octet[4],
+                addr->ether_addr_octet[5]);
+
+        return buffer;
+}