teven less dependence on crappy arpa headers - plan9port - [fork] Plan 9 from user space
(HTM) git clone git://src.adamsgaard.dk/plan9port
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---
(DIR) commit a7c0bddd4e5283139a6d9bef6012a2f8b046071b
(DIR) parent b4d406b781710c8a6983c0ac1fe99aa409fe9dc3
(HTM) Author: rsc <devnull@localhost>
Date: Sun, 29 Jan 2006 17:37:31 +0000
even less dependence on crappy arpa headers
Diffstat:
M src/libndb/sysdnsquery.c | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)
---
(DIR) diff --git a/src/libndb/sysdnsquery.c b/src/libndb/sysdnsquery.c
t@@ -150,8 +150,8 @@ doquery(char *name, char *type)
{
int n, nstype;
uchar *buf, *p;
- HEADER *h;
Ndbtuple *t;
+ int qdcount, ancount;
if((nstype = name2type(type)) < 0){
werrstr("unknown dns type %s", type);
t@@ -171,16 +171,13 @@ doquery(char *name, char *type)
werrstr("too much dns information");
return nil;
}
+
+ qdcount = (buf[4]<<8)|buf[5];
+ ancount = (buf[6]<<8)|buf[7];
- h = (HEADER*)buf;
- h->qdcount = ntohs(h->qdcount);
- h->ancount = ntohs(h->ancount);
- h->nscount = ntohs(h->nscount);
- h->arcount = ntohs(h->arcount);
-
- p = buf+sizeof(HEADER);
- p = skipquestion(buf, buf+n, p, h->qdcount);
- p = unpack(buf, buf+n, p, &t, h->ancount);
+ p = buf+12;
+ p = skipquestion(buf, buf+n, p, qdcount);
+ p = unpack(buf, buf+n, p, &t, ancount);
USED(p);
return t;
}