On 1/30/18 11:09 AM, Serhey Popovych wrote: > There is at least three places implementing same things: two in > ipaddress.c print_linkinfo() & print_linkinfo_brief() and one in > bridge/link.c. > > These two implementations diverge from each other very little: > bridge/link.c does not support JSON output at the moment and > print_linkinfo_brief() does not handle IFLA_LINK_NETNS case. > > Introduce and use print_name_and_link() routine to handle name@link > output in all possible variations; respect IFLA_LINK_NETNS attribute to > handle case when link is in different namespace; use "if%d" template > for interface name instead of "<nil>" to share logic with other > code (e.g. ll_name_to_index() and ll_index_to_name()) supporting such > template. > > Signed-off-by: Serhey Popovych <serhe.popov...@gmail.com> > --- > bridge/link.c | 13 +++---------- > include/utils.h | 4 ++++ > ip/ipaddress.c | 48 ++---------------------------------------------- > lib/utils.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ > 4 files changed, 60 insertions(+), 56 deletions(-) > > diff --git a/bridge/link.c b/bridge/link.c > index a11cbb1..90c9734 100644 > --- a/bridge/link.c > +++ b/bridge/link.c > @@ -125,20 +125,13 @@ int print_linkinfo(const struct sockaddr_nl *who, > if (n->nlmsg_type == RTM_DELLINK) > fprintf(fp, "Deleted "); > > - fprintf(fp, "%d: %s ", ifi->ifi_index, > - tb[IFLA_IFNAME] ? rta_getattr_str(tb[IFLA_IFNAME]) : "<nil>"); > + fprintf(fp, "%d: ", ifi->ifi_index); > + > + print_name_and_link("%s: ", COLOR_NONE, name, tb);
It only needs tb[IFLA_LINK] so just pass it. Makes the arg list consistent with the function name too.