r = mkdir_parents_label(RANDOM_SEED, 0755);
if (r < 0) {
- log_error("Failed to create parent directory of " RANDOM_SEED ": %s", strerror(-r));
+ log_error_errno(r, "Failed to create directory " RANDOM_SEED_DIR ": %m");
goto finish;
}
if (seed_fd < 0) {
seed_fd = open(RANDOM_SEED, O_RDONLY|O_CLOEXEC|O_NOCTTY);
if (seed_fd < 0) {
- log_error("Failed to open random seed: %m");
+ log_error_errno(errno, "Failed to open " RANDOM_SEED ": %m");
r = -errno;
goto finish;
}
if (random_fd < 0) {
random_fd = open("/dev/urandom", O_WRONLY|O_CLOEXEC|O_NOCTTY, 0600);
if (random_fd < 0) {
- log_error("Failed to open /dev/urandom: %m");
+ log_error_errno(errno, "Failed to open /dev/urandom: %m");
r = -errno;
goto finish;
}
if (k <= 0) {
if (r != 0)
- log_error("Failed to read seed file: %m");
+ log_error_errno(errno, "Failed to read seed from " RANDOM_SEED ": %m");
r = k == 0 ? -EIO : (int) k;
} else {
lseek(seed_fd, 0, SEEK_SET);
- k = loop_write(random_fd, buf, (size_t) k, false);
- if (k <= 0) {
- log_error("Failed to write seed to /dev/urandom: %s", r < 0 ? strerror(-r) : "short write");
-
- r = k == 0 ? -EIO : (int) k;
- }
+ r = loop_write(random_fd, buf, (size_t) k, false);
+ if (r < 0)
+ log_error_errno(r, "Failed to write seed to /dev/urandom: %m");
}
} else if (streq(argv[1], "save")) {
seed_fd = open(RANDOM_SEED, O_WRONLY|O_CLOEXEC|O_NOCTTY|O_CREAT, 0600);
if (seed_fd < 0) {
- log_error("Failed to open random seed: %m");
+ log_error_errno(errno, "Failed to open " RANDOM_SEED ": %m");
r = -errno;
goto finish;
}
random_fd = open("/dev/urandom", O_RDONLY|O_CLOEXEC|O_NOCTTY);
if (random_fd < 0) {
- log_error("Failed to open /dev/urandom: %m");
+ log_error_errno(errno, "Failed to open /dev/urandom: %m");
r = -errno;
goto finish;
}
r = k == 0 ? -EIO : (int) k;
} else {
r = loop_write(seed_fd, buf, (size_t) k, false);
- if (r <= 0) {
- log_error("Failed to write new random seed file: %s", r < 0 ? strerror(-r) : "short write");
- r = r == 0 ? -EIO : r;
- }
+ if (r < 0)
+ log_error_errno(r, "Failed to write new random seed file: %m");
}
finish: