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util/nvmutil: use BUFSIZ for rmac size in hextonum 

I will be using this function elsewhere, and in general
I want this to be usable for lots of programs.
fsdg20230625
Leah Rowe 2022-12-03 11:55:38 +00:00
parent a6d0112d86
commit e2e321fc20
1 changed files with 5 additions and 5 deletions
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10
util/nvmutil/nvmutil.c
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@ -219,18 +219,18 @@ hextonum(char chs)
uint8_t val8, ch;
static int macfd;
static uint8_t *rmac = NULL;
static int random;
if (random > 11) {
static size_t random;
if (random == BUFSIZ) {
close(macfd);
free(rmac);
rmac = NULL;
}
if (rmac == NULL) {
random = 0;
if ((rmac = (uint8_t *) malloc(12)) == NULL)
if ((rmac = (uint8_t *) malloc(BUFSIZ)) == NULL)
err(1, NULL);
if (readFromFile(&macfd, rmac, "/dev/urandom", O_RDONLY, 12)
!= 12) {
if (readFromFile(&macfd, rmac, "/dev/urandom", O_RDONLY,
BUFSIZ) != BUFSIZ) {
warn("%s", "/dev/urandom");
return 16;
}