mirror of
https://github.com/vale981/bspwm
synced 2025-03-06 02:01:42 -05:00
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <unistd.h>
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#include "helpers.h"
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#include "common.h"
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int main(int argc, char *argv[])
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{
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int sock_fd;
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struct sockaddr_un sock_address;
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size_t msglen = 0;
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char msg[BUFSIZ];
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char rsp[BUFSIZ];
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if (argc < 2)
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err("no arguments given\n");
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char *sock_path = getenv(SOCKET_ENV_VAR);
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if (sock_path == NULL || strlen(sock_path) == 0)
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warn("environmental variable '%s' is not set or empty - using default value: %s\n", SOCKET_ENV_VAR, DEFAULT_SOCKET_PATH);
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else if (sizeof(sock_address.sun_path) <= strlen(sock_path))
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err("value too long for environmental variable '%s'\n", SOCKET_ENV_VAR);
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sock_address.sun_family = AF_UNIX;
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strncpy(sock_address.sun_path, (sock_path == NULL ? DEFAULT_SOCKET_PATH : sock_path), sizeof(sock_address.sun_path));
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sock_address.sun_path[sizeof(sock_address.sun_path) - 1] = 0;
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for (int offset = 0, len = sizeof(msg), n = 0; --argc && ++argv && len > 0; offset += n, len -= n)
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n = snprintf(msg + offset, len, "%s ", *argv);
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msglen = strlen(msg);
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if (msg[msglen - 1] == ' ')
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msg[--msglen] = '\0';
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sock_fd = socket(AF_UNIX, SOCK_STREAM, 0);
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if (sock_fd == -1)
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err("failed to create socket\n");
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if (connect(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address)) == -1)
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err("failed to connect to socket\n");
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if (send(sock_fd, msg, msglen, 0) == -1)
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err("failed to send data\n");
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int n = recv(sock_fd, rsp, sizeof(rsp), 0);
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if (n == -1) {
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err("failed to get response\n");
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} else if (n > 0) {
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rsp[n] = '\0';
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printf("%s\n", rsp);
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}
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if (sock_fd)
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close(sock_fd);
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return EXIT_SUCCESS;
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}
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