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dnsquery
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Improve rcode error message.

This commit is contained in:
Érico Nogueira 2021-08-18 11:29:14 -03:00
parent 00449157c7
commit 69f584a78c
1 changed files with 7 additions and 1 deletions
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8
dnsquery.c
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@ -28,6 +28,12 @@ static void e(const char *str)
exit(1);
}
static void ep(const char *str, int v)
{
fprintf(stderr, "%s: %d\n", str, v);
exit(1);
}
static void iter_name(const uint8_t *buf, size_t buf_len, char *name, size_t *name_pos, size_t *index, int recursion)
{
if (recursion > 5) {
@ -133,7 +139,7 @@ int main()
uint8_t rcode = r[3] & 0xf;
if (rcode) {
e("bad rcode");
ep("bad rcode", rcode);
}
qdcount = ((uint16_t)r[4] << 8) | r[5];