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      1 /*
      2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk (at) cs.few.eur.nl>
      3  * Copyright (c) 1993 Branko Lankester <branko (at) hacktic.nl>
      4  * Copyright (c) 1993-1996 Rick Sladkey <jrs (at) world.std.com>
      5  * Copyright (c) 1996-1999 Wichert Akkerman <wichert (at) cistron.nl>
      6  * Copyright (c) 2006 Ulrich Drepper <drepper (at) redhat.com>
      7  * Copyright (c) 2006 Bernhard Kaindl <bk (at) suse.de>
      8  * Copyright (c) 2006-2015 Dmitry V. Levin <ldv (at) altlinux.org>
      9  * All rights reserved.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #include "defs.h"
     35 
     36 #include <fcntl.h>
     37 #include <sys/stat.h>
     38 
     39 #ifdef MAJOR_IN_SYSMACROS
     40 # include <sys/sysmacros.h>
     41 #endif
     42 
     43 #ifdef MAJOR_IN_MKDEV
     44 # include <sys/mkdev.h>
     45 #endif
     46 
     47 static void
     48 decode_mknod(struct tcb *tcp, int offset)
     49 {
     50 	int mode = tcp->u_arg[offset + 1];
     51 
     52 	printpath(tcp, tcp->u_arg[offset]);
     53 	tprintf(", %s", sprintmode(mode));
     54 	switch (mode & S_IFMT) {
     55 	case S_IFCHR:
     56 	case S_IFBLK:
     57 #if defined(SPARC) || defined(SPARC64)
     58 		if (current_personality == 1)
     59 			tprintf(", makedev(%lu, %lu)",
     60 			(unsigned long) ((tcp->u_arg[offset + 2] >> 18) & 0x3fff),
     61 			(unsigned long) (tcp->u_arg[offset + 2] & 0x3ffff));
     62 		else
     63 #endif /* SPARC || SPARC64 */
     64 			tprintf(", makedev(%lu, %lu)",
     65 			(unsigned long) major(tcp->u_arg[offset + 2]),
     66 			(unsigned long) minor(tcp->u_arg[offset + 2]));
     67 		break;
     68 	}
     69 }
     70 
     71 SYS_FUNC(mknod)
     72 {
     73 	decode_mknod(tcp, 0);
     74 
     75 	return RVAL_DECODED;
     76 }
     77 
     78 SYS_FUNC(mknodat)
     79 {
     80 	print_dirfd(tcp, tcp->u_arg[0]);
     81 	decode_mknod(tcp, 1);
     82 
     83 	return RVAL_DECODED;
     84 }
     85