no-op refactoring: make ipc_connect find socket path

This commit is contained in:
Michael Stapelberg
2017-11-26 16:41:59 +01:00
parent 2eabfc88fe
commit c07936d91b
5 changed files with 28 additions and 63 deletions

View File

@ -22,6 +22,25 @@
*
*/
int ipc_connect(const char *socket_path) {
char *path = NULL;
if (socket_path != NULL) {
path = sstrdup(socket_path);
}
if (path == NULL) {
if ((path = getenv("I3SOCK")) != NULL) {
path = sstrdup(path);
}
}
if (path == NULL) {
path = root_atom_contents("I3_SOCKET_PATH", NULL, 0);
}
if (path == NULL) {
path = sstrdup("/tmp/i3-ipc.sock");
}
int sockfd = socket(AF_LOCAL, SOCK_STREAM, 0);
if (sockfd == -1)
err(EXIT_FAILURE, "Could not create socket");
@ -31,9 +50,9 @@ int ipc_connect(const char *socket_path) {
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);
strncpy(addr.sun_path, 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");
err(EXIT_FAILURE, "Could not connect to i3 on socket %s", path);
free(path);
return sockfd;
}