diff options
| -rw-r--r-- | util/nvmutil/nvmutil.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index c5510e8f..5f126dd4 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -432,20 +432,20 @@ hextonum(char ch) static uint8_t rhex(void) { - static int n = -1; static uint8_t rnum[12]; + static size_t n = 0; - if (n == -1) { - n = sizeof(rnum) - 1; + if (!n) { #ifdef HAVE_ARC4RANDOM arc4random_buf(rnum, sizeof(rnum)); #else read_file_PERFECTLY_or_die(rfd, rnum, sizeof(rnum), 0, rname, NULL); #endif + n = sizeof(rnum); } - return rnum[n--] & 0xf; + return rnum[--n] & 0xf; } static void |