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      1 /*
      2  * Copyright (c) 2015 Dmitry V. Levin <ldv (at) 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 
     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 
     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