| 1 | /* |
| 2 | * This file is licensed under the Creative Commons Zero License, |
| 3 | * version 1.0, available at |
| 4 | * http://creativecommons.org/publicdomain/zero/1.0/legalcode |
| 5 | */ |
| 6 | |
| 7 | #include <stdio.h> |
| 8 | #include <sys/types.h> |
| 9 | #include <sys/socket.h> |
| 10 | #include <sys/un.h> |
| 11 | #include <unistd.h> |
| 12 | |
| 13 | /* |
| 14 | * example usage: |
| 15 | * ./custom "fps: 60" |
| 16 | */ |
| 17 | int main(int argc, char *argv[]) |
| 18 | { |
| 19 | static const char socket_name[] = "\0liveinfo"; |
| 20 | struct sockaddr_un sun; |
| 21 | int sock; |
| 22 | int ret; |
| 23 | |
| 24 | if (argv[1] == NULL) { |
| 25 | fprintf(stderr, "usage:\n%s \"label: value\"\n", argv[0]); |
| 26 | return 1; |
| 27 | } |
| 28 | |
| 29 | sock = socket(PF_UNIX, SOCK_DGRAM, 0); |
| 30 | if (sock == -1) { |
| 31 | perror("socket PF_UNIX"); |
| 32 | return 1; |
| 33 | } |
| 34 | |
| 35 | memset(&sun, 0, sizeof(sun)); |
| 36 | sun.sun_family = AF_UNIX; |
| 37 | memcpy(sun.sun_path, socket_name, sizeof(socket_name)); |
| 38 | |
| 39 | ret = sendto(sock, argv[1], strlen(argv[1]), 0, |
| 40 | (struct sockaddr *)&sun, sizeof(sun)); |
| 41 | if (ret < 0) { |
| 42 | perror("sendto"); |
| 43 | return 1; |
| 44 | } |
| 45 | |
| 46 | close(sock); |
| 47 | return 0; |
| 48 | } |