diff options
Diffstat (limited to 'cansend.c')
| -rw-r--r-- | cansend.c | 10 |
1 files changed, 5 insertions, 5 deletions
@@ -23,7 +23,7 @@ void sigterm(int signo) void print_usage(char *prg) { - fprintf(stderr, "Usage: %s -i [can-interface] [Options]\n", prg); + fprintf(stderr, "Usage: %s <can-interface> [Options] -i <identifier> <can-msg>\n", prg); fprintf(stderr, "Options: -f <family> (default PF_CAN = %d)\n", PF_CAN); fprintf(stderr, " -t <type> (default SOCK_RAW = %d)\n", SOCK_RAW); fprintf(stderr, " -p <proto> (default CAN_PROTO_RAW = %d)\n", CAN_PROTO_RAW); @@ -46,15 +46,15 @@ int main(int argc, char **argv) while ((opt = getopt(argc, argv, "f:t:p:vi:")) != -1) { switch (opt) { case 'f': - family = atoi(optarg); + family = strtoul(optarg, NULL, 0); break; case 't': - type = atoi(optarg); + type = strtoul(optarg, NULL, 0); break; case 'p': - proto = atoi(optarg); + proto = strtoul(optarg, NULL, 0); break; case 'v': @@ -62,7 +62,7 @@ int main(int argc, char **argv) break; case 'i': - frame.can_id = atoi(optarg); + frame.can_id = strtoul(optarg, NULL, 0); case '?': break; |