Browse code

mode debugging output introduced

Jiri Kuthan authored on 19/08/2002 08:58:42
Showing 1 changed files
... ...
@@ -177,7 +177,10 @@ struct rdata* get_record(char* name, int type)
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 	head=rd=0;
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 	crt=&head;
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 	size=res_search(name, C_IN, type, buff.buff, sizeof(buff));
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-	if (size<0) goto error;
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+	if (size<0) {
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+		LOG(L_ERR, "ERROR: get_record: size<0\n");
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+		goto error;
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+	}
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 	else if (size > sizeof(buff)) size=sizeof(buff);
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 	p=buff.buff+DNS_HDR_SIZE;
... ...
@@ -187,20 +190,29 @@ struct rdata* get_record(char* name, int type)
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 	for (r=0; r<qno; r++){
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 		/* skip the name of the question */
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-		if ((p=dns_skipname(p, end))==0) goto error;
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+		if ((p=dns_skipname(p, end))==0) {
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+			LOG(L_ERR, "ERROR: get_record: skipname==0\n");
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+			goto error;
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+		}
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 		p+=2+2; /* skip QCODE & QCLASS */
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 	#if 0
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 		for (;(p<end && (*p)); p++);
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 		p+=1+2+2; /* skip the ending  '\0, QCODE and QCLASS */
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 	#endif
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-		if (p>end) goto error;
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+		if (p>end) {
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+			LOG(L_ERR, "ERROR: get_record: p>end\n");
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+			goto error;
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+		}
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 	};
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 	answers_no=ntohs((unsigned short)buff.hdr.ancount);
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 	ans_len=ANS_SIZE;
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 	t=answer;
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 	for (r=0; (r<answers_no) && (p<end); r++){
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 		/*  ignore it the default domain name */
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-		if ((p=dns_skipname(p, end))==0) goto error;
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+		if ((p=dns_skipname(p, end))==0) {
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+			LOG(L_ERR, "ERROR: get_record: skip_name=0 (#2)\n");
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+			goto error;
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+		}
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 		/*
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 		skip=dn_expand(buff.buff, end, p, t, ans_len);
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 		p+=skip;