can-calc-bit-timint: rename spt_target, sample_point -> spt_nominal

[can-utils.git] / cansend.c

diff --git a/cansend.c b/cansend.c
index f12e924f72ab96c54d70ca3b2d07ae02c8810684..b7f800339b521eddd5729860b792a072345ed00a 100644 (file)
--- a/cansend.c
+++ b/cansend.c
@@ -79,7 +79,7 @@ int main(int argc, char **argv)
                fprintf(stderr, "    <can_id>##<flags>{data}    for CAN FD frames\n\n");
                fprintf(stderr, "<can_id> can have 3 (SFF) or 8 (EFF) hex chars\n");
                fprintf(stderr, "{data} has 0..8 (0..64 CAN FD) ASCII hex-values (optionally");
-               fprintf(stderr, " seperated by '.')\n");
+               fprintf(stderr, " separated by '.')\n");
                fprintf(stderr, "<flags> a single ASCII Hex value (0 .. F) which defines");
                fprintf(stderr, " canfd_frame.flags\n\n");
                fprintf(stderr, "e.g. 5A1#11.2233.44556677.88 / 123#DEADBEEF / 5AA# / ");
@@ -94,13 +94,15 @@ int main(int argc, char **argv)
                return 1;
        }
 
-       addr.can_family = AF_CAN;
-
-       strcpy(ifr.ifr_name, argv[1]);
-       if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) {
-               perror("SIOCGIFINDEX");
+       strncpy(ifr.ifr_name, argv[1], IFNAMSIZ - 1);
+       ifr.ifr_name[IFNAMSIZ - 1] = '\0';
+       ifr.ifr_ifindex = if_nametoindex(ifr.ifr_name);
+       if (!ifr.ifr_ifindex) {
+               perror("if_nametoindex");
                return 1;
        }
+
+       addr.can_family = AF_CAN;
        addr.can_ifindex = ifr.ifr_ifindex;
 
        if (required_mtu > CAN_MTU) {