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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libc/asr/res_send.c	Lines:	0	18	0.0 %
Date:	2017-11-13	Branches:	0	8	0.0 %


/*	$OpenBSD: res_send.c,v 1.8 2014/03/26 18:13:15 eric Exp $	*/
/*
 * Copyright (c) 2012 Eric Faurot <eric@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>

#include <asr.h>
#include <errno.h>
#include <resolv.h>
#include <string.h>
#include <stdlib.h>

int
res_send(const u_char *buf, int buflen, u_char *ans, int anslen)
{
	struct asr_query *as;
	struct asr_result ar;
	size_t len;

	res_init();

	if (ans == NULL || anslen <= 0) {
		errno = EINVAL;
		return (-1);
	}

	as = res_send_async(buf, buflen, NULL);
	if (as == NULL)
		return (-1); /* errno set */

	asr_run_sync(as, &ar);

	if (ar.ar_errno) {
		errno = ar.ar_errno;
		return (-1);
	}

	len = anslen;
	if (ar.ar_datalen < len)
		len = ar.ar_datalen;
	memmove(ans, ar.ar_data, len);
	free(ar.ar_data);

	return (ar.ar_datalen);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: res_send.c,v 1.8 2014/03/26 18:13:15 eric Exp $ */
2			/*
3			* Copyright (c) 2012 Eric Faurot <eric@openbsd.org>
4			*
5			* Permission to use, copy, modify, and distribute this software for any
6			* purpose with or without fee is hereby granted, provided that the above
7			* copyright notice and this permission notice appear in all copies.
8			*
9			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13			* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14			* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15			* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16			*/
17
18			#include <sys/types.h>
19			#include <sys/socket.h>
20			#include <netinet/in.h>
21			#include <netdb.h>
22
23			#include <asr.h>
24			#include <errno.h>
25			#include <resolv.h>
26			#include <string.h>
27			#include <stdlib.h>
28
29			int
30			res_send(const u_char buf, int buflen, u_char ans, int anslen)
31			{
32			struct asr_query *as;
33			struct asr_result ar;
34			size_t len;
35
36			res_init();
37
38			if (ans == NULL \|\| anslen <= 0) {
39			errno = EINVAL;
40			return (-1);
41			}
42
43			as = res_send_async(buf, buflen, NULL);
44			if (as == NULL)
45			return (-1); /* errno set */
46
47			asr_run_sync(as, &ar);
48
49			if (ar.ar_errno) {
50			errno = ar.ar_errno;
51			return (-1);
52			}
53
54			len = anslen;
55			if (ar.ar_datalen < len)
56			len = ar.ar_datalen;
57			memmove(ans, ar.ar_data, len);
58			free(ar.ar_data);
59
60			return (ar.ar_datalen);
61			}