X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fnetwork%2Fres_query.c;h=506dc231266d9e0795140782c05b8c91368f7ecb;hb=2404d9d643763e6eceafa9a1918925d80a84ad44;hp=42009992d44b9cec63c5799f74583489bbd3b67d;hpb=e936e4612f2b06d5812eb9215ef69c6a5f5b17d7;p=musl

diff --git a/src/network/res_query.c b/src/network/res_query.c
index 42009992..506dc231 100644
--- a/src/network/res_query.c
+++ b/src/network/res_query.c
@@ -1,23 +1,26 @@
+#define _BSD_SOURCE
+#include <resolv.h>
 #include <netdb.h>
-#include "__dns.h"
-#include "libc.h"
 
 int res_query(const char *name, int class, int type, unsigned char *dest, int len)
 {
-	if (class != 1 || len < 512)
+	unsigned char q[280];
+	int ql = __res_mkquery(0, name, class, type, 0, 0, 0, q, sizeof q);
+	if (ql < 0) return ql;
+	int r = __res_send(q, ql, dest, len);
+	if (r<12) {
+		h_errno = TRY_AGAIN;
 		return -1;
-	switch(__dns_doqueries(dest, name, &type, 1)) {
-	case EAI_NONAME:
+	}
+	if ((dest[3] & 15) == 3) {
 		h_errno = HOST_NOT_FOUND;
 		return -1;
-	case EAI_AGAIN:
-		h_errno = TRY_AGAIN;
-		return -1;
-	case EAI_FAIL:
-		h_errno = NO_RECOVERY;
+	}
+	if ((dest[3] & 15) == 0 && !dest[6] && !dest[7]) {
+		h_errno = NO_DATA;
 		return -1;
 	}
-	return 512;
+	return r;
 }
 
 weak_alias(res_query, res_search);