LCOV - code coverage report
Current view: top level - strace - mknod.c (source / functions) Hit Total Coverage
Test: strace-4.18.0.129.97bbb Code Coverage Lines: 18 18 100.0 %
Date: 2017-07-31 03:46:08 Functions: 3 3 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 2 2 100.0 %

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
       3                 :            :  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
       4                 :            :  * Copyright (c) 1993-1996 Rick Sladkey <jrs@world.std.com>
       5                 :            :  * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
       6                 :            :  * Copyright (c) 2006 Ulrich Drepper <drepper@redhat.com>
       7                 :            :  * Copyright (c) 2006 Bernhard Kaindl <bk@suse.de>
       8                 :            :  * Copyright (c) 2006-2015 Dmitry V. Levin <ldv@altlinux.org>
       9                 :            :  * Copyright (c) 2014-2017 The strace developers.
      10                 :            :  * All rights reserved.
      11                 :            :  *
      12                 :            :  * Redistribution and use in source and binary forms, with or without
      13                 :            :  * modification, are permitted provided that the following conditions
      14                 :            :  * are met:
      15                 :            :  * 1. Redistributions of source code must retain the above copyright
      16                 :            :  *    notice, this list of conditions and the following disclaimer.
      17                 :            :  * 2. Redistributions in binary form must reproduce the above copyright
      18                 :            :  *    notice, this list of conditions and the following disclaimer in the
      19                 :            :  *    documentation and/or other materials provided with the distribution.
      20                 :            :  * 3. The name of the author may not be used to endorse or promote products
      21                 :            :  *    derived from this software without specific prior written permission.
      22                 :            :  *
      23                 :            :  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
      24                 :            :  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
      25                 :            :  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
      26                 :            :  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
      27                 :            :  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
      28                 :            :  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      29                 :            :  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      30                 :            :  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      31                 :            :  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
      32                 :            :  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      33                 :            :  */
      34                 :            : 
      35                 :            : #include "defs.h"
      36                 :            : 
      37                 :            : #include <fcntl.h>
      38                 :            : #include <sys/stat.h>
      39                 :            : 
      40                 :            : static void
      41                 :         32 : decode_mknod(struct tcb *tcp, int offset)
      42                 :            : {
      43                 :         32 :         unsigned short mode = tcp->u_arg[offset + 1];
      44                 :            :         unsigned int dev;
      45                 :            : 
      46                 :         32 :         printpath(tcp, tcp->u_arg[offset]);
      47                 :         32 :         tprints(", ");
      48                 :         32 :         print_symbolic_mode_t(mode);
      49         [ +  + ]:         32 :         switch (mode & S_IFMT) {
      50                 :            :         case S_IFCHR:
      51                 :            :         case S_IFBLK:
      52                 :          8 :                 dev = tcp->u_arg[offset + 2];
      53                 :          8 :                 tprints(", ");
      54                 :          8 :                 print_dev_t(dev);
      55                 :          8 :                 break;
      56                 :            :         }
      57                 :         32 : }
      58                 :            : 
      59                 :         16 : SYS_FUNC(mknod)
      60                 :            : {
      61                 :         16 :         decode_mknod(tcp, 0);
      62                 :            : 
      63                 :         16 :         return RVAL_DECODED;
      64                 :            : }
      65                 :            : 
      66                 :         16 : SYS_FUNC(mknodat)
      67                 :            : {
      68                 :         16 :         print_dirfd(tcp, tcp->u_arg[0]);
      69                 :         16 :         decode_mknod(tcp, 1);
      70                 :            : 
      71                 :         16 :         return RVAL_DECODED;
      72                 :            : }

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