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1 /*
2  * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
3  * Copyright (c) 2015-2017 The strace developers.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include "defs.h"
30 
SYS_FUNC(sendfile64)31 SYS_FUNC(sendfile64)
32 {
33 	if (entering(tcp)) {
34 		printfd(tcp, tcp->u_arg[0]);
35 		tprints(", ");
36 		printfd(tcp, tcp->u_arg[1]);
37 		tprints(", ");
38 		if (!printnum_int64(tcp, tcp->u_arg[2], "%" PRIu64)) {
39 			tprintf(", %" PRI_klu, tcp->u_arg[3]);
40 			return RVAL_DECODED;
41 		}
42 	} else {
43 		if (!syserror(tcp) && tcp->u_rval) {
44 			tprints(" => ");
45 			printnum_int64(tcp, tcp->u_arg[2], "%" PRIu64);
46 		}
47 		tprintf(", %" PRI_klu, tcp->u_arg[3]);
48 	}
49 
50 	return 0;
51 }
52 
SYS_FUNC(sendfile)53 SYS_FUNC(sendfile)
54 {
55 	if (entering(tcp)) {
56 		printfd(tcp, tcp->u_arg[0]);
57 		tprints(", ");
58 		printfd(tcp, tcp->u_arg[1]);
59 		tprints(", ");
60 		if (!printnum_ulong(tcp, tcp->u_arg[2])
61 		    || !tcp->u_arg[3]) {
62 			tprintf(", %" PRI_klu, tcp->u_arg[3]);
63 			return RVAL_DECODED;
64 		}
65 	} else {
66 		if (!syserror(tcp) && tcp->u_rval) {
67 			tprints(" => ");
68 			printnum_ulong(tcp, tcp->u_arg[2]);
69 		}
70 		tprintf(", %" PRI_klu, tcp->u_arg[3]);
71 	}
72 
73 	return 0;
74 }
75