59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/*
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* vim:ts=4:sw=4:expandtab
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*
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* i3 - an improved dynamic tiling window manager
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* © 2009 Michael Stapelberg and contributors (see also: LICENSE)
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*
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*/
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#include "libi3.h"
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <string.h>
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#include <err.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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/*
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* Connects to the i3 IPC socket and returns the file descriptor for the
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* socket. die()s if anything goes wrong.
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*
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*/
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int ipc_connect(const char *socket_path) {
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char *path = NULL;
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if (socket_path != NULL) {
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path = sstrdup(socket_path);
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}
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if (path == NULL) {
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if ((path = getenv("I3SOCK")) != NULL) {
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path = sstrdup(path);
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}
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}
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if (path == NULL) {
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path = root_atom_contents("I3_SOCKET_PATH", NULL, 0);
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}
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if (path == NULL) {
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path = sstrdup("/tmp/i3-ipc.sock");
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}
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int sockfd = socket(AF_LOCAL, SOCK_STREAM, 0);
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if (sockfd == -1)
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err(EXIT_FAILURE, "Could not create socket");
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(void)fcntl(sockfd, F_SETFD, FD_CLOEXEC);
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struct sockaddr_un addr;
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memset(&addr, 0, sizeof(struct sockaddr_un));
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addr.sun_family = AF_LOCAL;
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strncpy(addr.sun_path, path, sizeof(addr.sun_path) - 1);
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if (connect(sockfd, (const struct sockaddr *)&addr, sizeof(struct sockaddr_un)) < 0)
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err(EXIT_FAILURE, "Could not connect to i3 on socket %s", path);
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free(path);
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return sockfd;
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}
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