From 572b7758cf695a526ac2e85aa6f9f0e0c575fde6 Mon Sep 17 00:00:00 2001 From: Leah Rowe Date: Tue, 3 Mar 2026 15:43:11 +0000 Subject: util/nvmutil: tidy up rhex Signed-off-by: Leah Rowe --- util/nvmutil/nvmutil.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'util') diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index bcf205c3..73527723 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -340,9 +340,14 @@ hextonum(char ch) static uint8_t rhex(void) { - static uint8_t n = 0, rnum[12]; - if (!n) - err_if(read(rfd, (uint8_t *) &rnum, (n = 11) + 1) == -1); + static uint8_t n = 0; + static uint8_t rnum[12]; + + if (!n) { + n = sizeof(rnum) - 1; + err_if(read(rfd, (uint8_t *) &rnum, n + 1) == -1); + } + return rnum[n--] & 0xf; } -- cgit v1.2.1