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conf: Copy up to MAXDNSRCH - 1 bytes, not MAXDNSRCH

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Spotted by Coverity just recently. Not that it really matters as
MAXDNSRCH always appears to be defined as 1025, while a full domain
name can have up to 253 characters: it would be a bit pointless to
have a longer search domain.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Stefano Brivio 2024-06-27 00:50:56 +02:00
parent 1ee2ecade3
commit 21ee1eb2de
1 changed files with 1 additions and 1 deletions
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conf.c
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@ -453,7 +453,7 @@ static void get_dns(struct ctx *c)
while (s - c->dns_search < ARRAY_SIZE(c->dns_search) - 1
/* cppcheck-suppress strtokCalled */
&& (p = strtok(NULL, " \t"))) {
strncpy(s->n, p, sizeof(c->dns_search[0]));
strncpy(s->n, p, sizeof(c->dns_search[0]) - 1);
s++;
*s->n = 0;
}