summaryrefslogtreecommitdiff
path: root/sys/src/libip/myetheraddr.c
diff options
context:
space:
mode:
authorTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
committerTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
commite5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch)
treed8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/libip/myetheraddr.c
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/libip/myetheraddr.c')
-rwxr-xr-xsys/src/libip/myetheraddr.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/sys/src/libip/myetheraddr.c b/sys/src/libip/myetheraddr.c
new file mode 100755
index 000000000..34506fa06
--- /dev/null
+++ b/sys/src/libip/myetheraddr.c
@@ -0,0 +1,28 @@
+#include <u.h>
+#include <libc.h>
+#include <ip.h>
+
+int
+myetheraddr(uchar *to, char *dev)
+{
+ int n, fd;
+ char buf[256];
+
+ if(*dev == '/')
+ sprint(buf, "%s/addr", dev);
+ else
+ sprint(buf, "/net/%s/addr", dev);
+
+ fd = open(buf, OREAD);
+ if(fd < 0)
+ return -1;
+
+ n = read(fd, buf, sizeof buf -1 );
+ close(fd);
+ if(n <= 0)
+ return -1;
+ buf[n] = 0;
+
+ parseether(to, buf);
+ return 0;
+}