+static int chdir_len(const char *orig, int len)
+{
+ char *path = xmemdupz(orig, len);
+ int r = chdir(path);
+ free(path);
+ return r;
+}
+
+struct unix_sockaddr_context {
+ char orig_dir[PATH_MAX];
+};
+
+static void unix_sockaddr_cleanup(struct unix_sockaddr_context *ctx)
+{
+ if (!ctx->orig_dir[0])
+ return;
+ /*
+ * If we fail, we can't just return an error, since we have
+ * moved the cwd of the whole process, which could confuse calling
+ * code. We are better off to just die.
+ */
+ if (chdir(ctx->orig_dir) < 0)
+ die("unable to restore original working directory");
+}
+
+static int unix_sockaddr_init(struct sockaddr_un *sa, const char *path,
+ struct unix_sockaddr_context *ctx)