char rsp[BUFSIZ];
if (argc < 2)
- die("no arguments given\n");
+ err("No arguments given.\n");
char *sock_path = getenv(SOCKET_ENV_VAR);
if (sock_path == NULL || strlen(sock_path) == 0)
- warn("environmental variable '%s' is not set or empty - using default value: %s\n", SOCKET_ENV_VAR, DEFAULT_SOCKET_PATH);
+ warn("The environment variable '%s' is not set or empty, we will use: '%s'.\n", SOCKET_ENV_VAR, DEFAULT_SOCKET_PATH);
else if (sizeof(sock_address.sun_path) <= strlen(sock_path))
- die("value too long for environmental variable '%s'\n", SOCKET_ENV_VAR);
+ err("The string can't fit in the socket address: '%s'.\n", sock_path);
sock_address.sun_family = AF_UNIX;
strncpy(sock_address.sun_path, (sock_path == NULL ? DEFAULT_SOCKET_PATH : sock_path), sizeof(sock_address.sun_path));
sock_address.sun_path[sizeof(sock_address.sun_path) - 1] = 0;
- for (int offset = 0, len = BUFSIZ, n = 0; --argc && ++argv && len > 0; offset += n, len -= n)
+ for (int offset = 0, len = sizeof(msg), n = 0; --argc && ++argv && len > 0; offset += n, len -= n)
n = snprintf(msg + offset, len, "%s ", *argv);
msglen = strlen(msg);
- if (msg[msglen - 1] == ' ')
+ if (msg[msglen - 1] == ' ')
msg[--msglen] = '\0';
sock_fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (sock_fd == -1)
- die("failed to create socket\n");
+ err("Failed to create the socket.\n");
if (connect(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address)) == -1)
- die("failed to connect to socket\n");
+ err("Failed to connect to the socket.\n");
if (send(sock_fd, msg, msglen, 0) == -1)
- die("failed to send data\n");
+ err("Failed to send the data.\n");
int n = recv(sock_fd, rsp, sizeof(rsp), 0);
if (n == -1) {
- die("failed to get response\n");
+ err("Failed to get the response.\n");
} else if (n > 0) {
rsp[n] = '\0';
printf("%s\n", rsp);