- case WRITE_FILE: {
- int fd, flags;
-
- flags = i->type == CREATE_FILE ? O_CREAT|O_APPEND :
- i->type == TRUNCATE_FILE ? O_CREAT|O_TRUNC : 0;
-
- u = umask(0);
- label_context_set(i->path, S_IFREG);
- fd = open(i->path, flags|O_NDELAY|O_CLOEXEC|O_WRONLY|O_NOCTTY|O_NOFOLLOW, i->mode);
- e = errno;
- label_context_clear();
- umask(u);
- errno = e;
-
- if (fd < 0) {
- if (i->type == WRITE_FILE && errno == ENOENT)
- break;
-
- log_error("Failed to create file %s: %m", i->path);
- return -errno;
- }
-
- if (i->argument) {
- ssize_t n;
- size_t l;
- struct iovec iovec[2];
- static const char new_line = '\n';
-
- l = strlen(i->argument);
-
- zero(iovec);
- iovec[0].iov_base = i->argument;
- iovec[0].iov_len = l;
-
- iovec[1].iov_base = (void*) &new_line;
- iovec[1].iov_len = 1;
-
- n = writev(fd, iovec, 2);
-
- /* It's OK if we don't write the trailing
- * newline, hence we check for l, instead of
- * l+1 here. Files in /sys often refuse
- * writing of the trailing newline. */
- if (n < 0 || (size_t) n < l) {
- log_error("Failed to write file %s: %s", i->path, n < 0 ? strerror(-n) : "Short write");
- close_nointr_nofail(fd);
- return n < 0 ? n : -EIO;
- }
- }
-
- close_nointr_nofail(fd);
-
- if (stat(i->path, &st) < 0) {
- log_error("stat(%s) failed: %m", i->path);
- return -errno;
- }
-
- if (!S_ISREG(st.st_mode)) {
- log_error("%s is not a file.", i->path);
- return -EEXIST;
- }
-
- r = item_set_perms(i, i->path);