diff options
Diffstat (limited to 'lib/randutils.c')
| -rw-r--r-- | lib/randutils.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/randutils.c b/lib/randutils.c index b90c88691..0513798a0 100644 --- a/lib/randutils.c +++ b/lib/randutils.c @@ -58,13 +58,15 @@ int random_get_fd(void) * Use /dev/urandom if possible, and if not, * use glibc pseudo-random functions. */ -void random_get_bytes(void *buf, size_t nbytes) +void random_get_bytes(void *buf, size_t nbytes, int fd) { size_t i, n = nbytes; - int fd = random_get_fd(); int lose_counter = 0; unsigned char *cp = (unsigned char *) buf; + if (fd < 0) + fd = random_get_fd(); + if (fd >= 0) { while (n > 0) { ssize_t x = read(fd, cp, n); @@ -111,7 +113,7 @@ int main(int argc, char *argv[]) /* generate and print 10 random numbers */ for (i = 0; i < 10; i++) { - random_get_bytes(&v, sizeof(v)); + random_get_bytes(&v, sizeof(v), -1); printf("%d\n", v); } |