int main(int argc, char *argv[]) {
int seed_fd = -1, random_fd = -1;
- int ret = 1;
+ int ret = EXIT_FAILURE;
void* buf;
size_t buf_size = 0;
ssize_t r;
if (argc != 2) {
log_error("This program requires one argument.");
- return 1;
+ return EXIT_FAILURE;
}
log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
goto finish;
}
+ if (mkdir_parents(RANDOM_SEED, 0755) < 0) {
+ log_error("Failed to create directories parents of %s: %m", RANDOM_SEED);
+ goto finish;
+ }
+
/* When we load the seed we read it and write it to the device
* and then immediately update the saved seed with new data,
* to make sure the next boot gets seeded differently. */
}
}
- if ((r = loop_read(seed_fd, buf, buf_size, false)) <= 0)
- log_error("Failed to read seed file: %s", r < 0 ? strerror(errno) : "EOF");
- else {
+ if ((r = loop_read(seed_fd, buf, buf_size, false)) <= 0) {
+
+ if (r != 0)
+ log_error("Failed to read seed file: %m");
+ } else {
lseek(seed_fd, 0, SEEK_SET);
if ((r = loop_write(random_fd, buf, (size_t) r, false)) <= 0)
log_error("Failed to write new random seed file: %s", r < 0 ? strerror(errno) : "short write");
}
- ret = 0;
+ ret = EXIT_SUCCESS;
finish:
if (random_fd >= 0)