gri3-wm/libi3/ipc_connect.c

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/*
* vim:ts=4:sw=4:expandtab
*
* i3 - an improved dynamic tiling window manager
*
* © 2009-2011 Michael Stapelberg and contributors
*
* See file LICENSE for license information.
*
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <string.h>
#include <err.h>
#include <stdlib.h>
/*
* Connects to the i3 IPC socket and returns the file descriptor for the
* socket. die()s if anything goes wrong.
*
*/
int ipc_connect(const char *socket_path) {
int sockfd = socket(AF_LOCAL, SOCK_STREAM, 0);
if (sockfd == -1)
err(EXIT_FAILURE, "Could not create socket");
struct sockaddr_un addr;
memset(&addr, 0, sizeof(struct sockaddr_un));
addr.sun_family = AF_LOCAL;
strncpy(addr.sun_path, socket_path, sizeof(addr.sun_path) - 1);
if (connect(sockfd, (const struct sockaddr*)&addr, sizeof(struct sockaddr_un)) < 0)
err(EXIT_FAILURE, "Could not connect to i3");
return sockfd;
}