LCOV - code coverage report
Current view: top level - strace_git - ipc.c (source / functions) Hit Total Coverage
Test: strace-4.16.0.69.f1ea-dirty Code Coverage Lines: 12 13 92.3 %
Date: 2017-03-18 00:38:52 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 5 6 83.3 %

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
       3                 :            :  * All rights reserved.
       4                 :            :  *
       5                 :            :  * Redistribution and use in source and binary forms, with or without
       6                 :            :  * modification, are permitted provided that the following conditions
       7                 :            :  * are met:
       8                 :            :  * 1. Redistributions of source code must retain the above copyright
       9                 :            :  *    notice, this list of conditions and the following disclaimer.
      10                 :            :  * 2. Redistributions in binary form must reproduce the above copyright
      11                 :            :  *    notice, this list of conditions and the following disclaimer in the
      12                 :            :  *    documentation and/or other materials provided with the distribution.
      13                 :            :  * 3. The name of the author may not be used to endorse or promote products
      14                 :            :  *    derived from this software without specific prior written permission.
      15                 :            :  *
      16                 :            :  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
      17                 :            :  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
      18                 :            :  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
      19                 :            :  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
      20                 :            :  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
      21                 :            :  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      22                 :            :  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      23                 :            :  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      24                 :            :  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
      25                 :            :  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      26                 :            :  */
      27                 :            : 
      28                 :            : #include "defs.h"
      29                 :            : #include "xlat/ipccalls.h"
      30                 :            : 
      31                 :         10 : SYS_FUNC(ipc)
      32                 :            : {
      33                 :         10 :         unsigned int call = tcp->u_arg[0];
      34                 :         10 :         unsigned int version = call >> 16;
      35                 :         10 :         call &= 0xffff;
      36                 :         10 :         const char *str = xlookup(ipccalls, call);
      37                 :            : 
      38         [ +  + ]:         10 :         if (version)
      39                 :          5 :                 tprintf("%u<<16|", version);
      40                 :            : 
      41         [ -  + ]:         10 :         if (str)
      42                 :          0 :                 tprints(str);
      43                 :            :         else
      44                 :         10 :                 tprintf("%u", call);
      45                 :            : 
      46                 :            :         unsigned int i;
      47         [ +  + ]:         60 :         for (i = 1; i < tcp->s_ent->nargs; ++i)
      48                 :         50 :                 tprintf(", %#" PRI_klx, tcp->u_arg[i]);
      49                 :            : 
      50                 :         10 :         return RVAL_DECODED;
      51                 :            : }

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