diff options
author | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
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committer | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
commit | e5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch) | |
tree | d8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/libip/myetheraddr.c |
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/libip/myetheraddr.c')
-rwxr-xr-x | sys/src/libip/myetheraddr.c | 28 |
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; +} |