merged OpenSSH 3.9p1 to trunk

[gssapi-openssh.git] / openssh / openbsd-compat / getrrsetbyname.c

diff --git a/openssh/openbsd-compat/getrrsetbyname.c b/openssh/openbsd-compat/getrrsetbyname.c
index 6c86e02c2ab0805dbe8c7629ba47bf3b0d9b0a96..785b2256911ceb84d2cc77f38bd6a9e131f62ad8 100644 (file)
--- a/openssh/openbsd-compat/getrrsetbyname.c
+++ b/openssh/openbsd-compat/getrrsetbyname.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: getrrsetbyname.c,v 1.10 2005/03/30 02:58:28 tedu Exp $ */
+/* $OpenBSD: getrrsetbyname.c,v 1.11 2007/10/11 18:36:41 jakob Exp $ */
 
 /*
  * Copyright (c) 2001 Jakob Schlyter. All rights reserved.
@@ -67,13 +67,9 @@ extern int h_errno;
 #endif
 #define _THREAD_PRIVATE(a,b,c) (c)
 
-/* to avoid conflicts where a platform already has _res */
-#ifdef _res
-# undef _res
-#endif
-#define _res   _compat_res
-
+#ifndef HAVE__RES_EXTERN
 struct __res_state _res;
+#endif
 
 /* Necessary functions and macros */
 
@@ -292,7 +288,7 @@ getrrsetbyname(const char *hostname, unsigned int rdclass,
        rrset->rri_nrdatas = count_dns_rr(response->answer, rrset->rri_rdclass,
            rrset->rri_rdtype);
        rrset->rri_nsigs = count_dns_rr(response->answer, rrset->rri_rdclass,
-           T_SIG);
+           T_RRSIG);
 
        /* allocate memory for answers */
        rrset->rri_rdatas = calloc(rrset->rri_nrdatas,
@@ -303,10 +299,12 @@ getrrsetbyname(const char *hostname, unsigned int rdclass,
        }
 
        /* allocate memory for signatures */
-       rrset->rri_sigs = calloc(rrset->rri_nsigs, sizeof(struct rdatainfo));
-       if (rrset->rri_sigs == NULL) {
-               result = ERRSET_NOMEMORY;
-               goto fail;
+       if (rrset->rri_nsigs > 0) {
+               rrset->rri_sigs = calloc(rrset->rri_nsigs, sizeof(struct rdatainfo));
+               if (rrset->rri_sigs == NULL) {
+                       result = ERRSET_NOMEMORY;
+                       goto fail;
+               }
        }
 
        /* copy answers & signatures */
@@ -320,7 +318,7 @@ getrrsetbyname(const char *hostname, unsigned int rdclass,
                        rdata = &rrset->rri_rdatas[index_ans++];
 
                if (rr->class == rrset->rri_rdclass &&
-                   rr->type  == T_SIG)
+                   rr->type  == T_RRSIG)
                        rdata = &rrset->rri_sigs[index_sig++];
 
                if (rdata) {