diff options
Diffstat (limited to 'sbin/ifconfig/ifconfig.c')
| -rw-r--r-- | sbin/ifconfig/ifconfig.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sbin/ifconfig/ifconfig.c b/sbin/ifconfig/ifconfig.c index 0018b5c..a475139 100644 --- a/sbin/ifconfig/ifconfig.c +++ b/sbin/ifconfig/ifconfig.c @@ -93,6 +93,7 @@ int clearaddr; int newaddr = 1; int verbose; int noload; +int printifname = 0; int supmedia = 0; int printkeys = 0; /* Print keying material for interfaces. */ @@ -108,6 +109,8 @@ static struct afswtch *af_getbyname(const char *name); static struct afswtch *af_getbyfamily(int af); static void af_other_status(int); +void printifnamemaybe(void); + static struct option *opts = NULL; struct ifa_order_elt { @@ -297,6 +300,12 @@ sortifaddrs(struct ifaddrs *list, return (result); } +void printifnamemaybe() +{ + if (printifname) + printf("%s\n", name); +} + int main(int argc, char *argv[]) { @@ -314,6 +323,12 @@ main(int argc, char *argv[]) size_t iflen; all = downonly = uponly = namesonly = noload = verbose = 0; + + /* + * Ensure we print interface name when expected to, + * even if we terminate early due to error. + */ + atexit(printifnamemaybe); /* Parse leading line options */ strlcpy(options, "adklmnuv", sizeof(options)); @@ -1011,6 +1026,8 @@ setifname(const char *val, int dummy __unused, int s, const struct afswtch *afp) { char *newname; + + strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); newname = strdup(val); if (newname == NULL) @@ -1020,6 +1037,7 @@ setifname(const char *val, int dummy __unused, int s, free(newname); err(1, "ioctl SIOCSIFNAME (set name)"); } + printifname = 1; strlcpy(name, newname, sizeof(name)); free(newname); } @@ -1031,6 +1049,8 @@ setifdescr(const char *val, int dummy __unused, int s, { char *newdescr; + strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); + ifr.ifr_buffer.length = strlen(val) + 1; if (ifr.ifr_buffer.length == 1) { ifr.ifr_buffer.buffer = newdescr = NULL; |
