mirror of
https://github.com/linux-can/can-utils.git
synced 2026-09-22 08:06:34 +02:00
Whitespace fixes. Indented the code following Linux styleguide to fix
the mess between tabs and spaces.
This commit is contained in:
@@ -60,66 +60,66 @@
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int main(int argc, char **argv)
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{
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int s; /* can raw socket */
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int nbytes;
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struct sockaddr_can addr;
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struct can_frame frame;
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struct ifreq ifr;
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int s; /* can raw socket */
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int nbytes;
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struct sockaddr_can addr;
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struct can_frame frame;
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struct ifreq ifr;
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/* check command line options */
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if (argc != 3) {
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fprintf(stderr, "Usage: %s <device> <can_frame>.\n", argv[0]);
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return 1;
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}
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/* check command line options */
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if (argc != 3) {
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fprintf(stderr, "Usage: %s <device> <can_frame>.\n", argv[0]);
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return 1;
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}
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/* parse CAN frame */
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if (parse_canframe(argv[2], &frame)){
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fprintf(stderr, "\nWrong CAN-frame format!\n\n");
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fprintf(stderr, "Try: <can_id>#{R|data}\n");
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fprintf(stderr, "can_id can have 3 (SFF) or 8 (EFF) hex chars\n");
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fprintf(stderr, "data has 0 to 8 hex-values that can (optionally)");
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fprintf(stderr, " be seperated by '.'\n\n");
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fprintf(stderr, "e.g. 5A1#11.2233.44556677.88 / 123#DEADBEEF / ");
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fprintf(stderr, "5AA# /\n 1F334455#1122334455667788 / 123#R ");
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fprintf(stderr, "for remote transmission request.\n\n");
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return 1;
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}
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/* parse CAN frame */
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if (parse_canframe(argv[2], &frame)){
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fprintf(stderr, "\nWrong CAN-frame format!\n\n");
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fprintf(stderr, "Try: <can_id>#{R|data}\n");
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fprintf(stderr, "can_id can have 3 (SFF) or 8 (EFF) hex chars\n");
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fprintf(stderr, "data has 0 to 8 hex-values that can (optionally)");
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fprintf(stderr, " be seperated by '.'\n\n");
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fprintf(stderr, "e.g. 5A1#11.2233.44556677.88 / 123#DEADBEEF / ");
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fprintf(stderr, "5AA# /\n 1F334455#1122334455667788 / 123#R ");
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fprintf(stderr, "for remote transmission request.\n\n");
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return 1;
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}
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/* open socket */
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if ((s = socket(PF_CAN, SOCK_RAW, CAN_RAW)) < 0) {
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perror("socket");
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return 1;
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}
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/* open socket */
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if ((s = socket(PF_CAN, SOCK_RAW, CAN_RAW)) < 0) {
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perror("socket");
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return 1;
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}
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addr.can_family = AF_CAN;
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addr.can_family = AF_CAN;
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strcpy(ifr.ifr_name, argv[1]);
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if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) {
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perror("SIOCGIFINDEX");
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return 1;
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}
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addr.can_ifindex = ifr.ifr_ifindex;
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strcpy(ifr.ifr_name, argv[1]);
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if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) {
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perror("SIOCGIFINDEX");
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return 1;
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}
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addr.can_ifindex = ifr.ifr_ifindex;
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/* disable default receive filter on this RAW socket */
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/* This is obsolete as we do not read from the socket at all, but for */
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/* this reason we can remove the receive list in the Kernel to save a */
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/* little (really a very little!) CPU usage. */
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setsockopt(s, SOL_CAN_RAW, CAN_RAW_FILTER, NULL, 0);
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/* disable default receive filter on this RAW socket */
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/* This is obsolete as we do not read from the socket at all, but for */
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/* this reason we can remove the receive list in the Kernel to save a */
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/* little (really a very little!) CPU usage. */
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setsockopt(s, SOL_CAN_RAW, CAN_RAW_FILTER, NULL, 0);
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if (bind(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
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perror("bind");
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return 1;
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}
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if (bind(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
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perror("bind");
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return 1;
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}
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/* send frame */
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if ((nbytes = write(s, &frame, sizeof(frame))) != sizeof(frame)) {
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perror("write");
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return 1;
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}
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/* send frame */
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if ((nbytes = write(s, &frame, sizeof(frame))) != sizeof(frame)) {
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perror("write");
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return 1;
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}
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//fprint_long_canframe(stdout, &frame, "\n", 0);
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//fprint_long_canframe(stdout, &frame, "\n", 0);
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close(s);
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close(s);
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return 0;
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return 0;
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}
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