X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Frandom-seed.c;h=054233e66035210b9d10dcfd404004932f4efaeb;hp=586c69837b337dc39e85f40b7e0ff5eeb56f1f2e;hb=bfe95f35bf87c91d63b9d62dde5f029dd38d27a4;hpb=26192dfc21a9020564e6db5c1dd9d49ecc70c0d7 diff --git a/src/random-seed.c b/src/random-seed.c index 586c69837..054233e66 100644 --- a/src/random-seed.c +++ b/src/random-seed.c @@ -32,7 +32,7 @@ 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; @@ -40,7 +40,7 @@ int main(int argc, char *argv[]) { if (argc != 2) { log_error("This program requires one argument."); - return 1; + return EXIT_FAILURE; } log_set_target(LOG_TARGET_SYSLOG_OR_KMSG); @@ -61,6 +61,11 @@ int main(int argc, char *argv[]) { 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. */ @@ -81,9 +86,11 @@ int main(int argc, char *argv[]) { } } - 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) @@ -119,7 +126,7 @@ int main(int argc, char *argv[]) { 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)