LCOV - code coverage report
Current view: top level - misc/kabi/lvm2.git/lib/misc - lvm-wrappers.c (source / functions) Hit Total Coverage
Test: unnamed Lines: 7 14 50.0 %
Date: 2010-04-13 Functions: 2 2 100.0 %
Branches: 3 8 37.5 %

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  * Copyright (C) 2006 Red Hat, Inc. All rights reserved.
       3                 :            :  *
       4                 :            :  * This file is part of LVM2.
       5                 :            :  *
       6                 :            :  * This copyrighted material is made available to anyone wishing to use,
       7                 :            :  * modify, copy, or redistribute it subject to the terms and conditions
       8                 :            :  * of the GNU Lesser General Public License v.2.1.
       9                 :            :  *
      10                 :            :  * You should have received a copy of the GNU Lesser General Public License
      11                 :            :  * along with this program; if not, write to the Free Software Foundation,
      12                 :            :  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
      13                 :            :  */
      14                 :            : 
      15                 :            : #include "lib.h"
      16                 :            : 
      17                 :            : #include <unistd.h>
      18                 :            : #include <fcntl.h>
      19                 :            : 
      20                 :          4 : int lvm_getpagesize(void)
      21                 :            : {
      22                 :          4 :         return getpagesize();
      23                 :            : }
      24                 :            : 
      25                 :          1 : int read_urandom(void *buf, size_t len)
      26                 :            : {
      27                 :            :         int fd;
      28                 :            : 
      29                 :            :         /* FIXME: we should stat here, and handle other cases */
      30                 :            :         /* FIXME: use common _io() routine's open/read/close */
      31         [ -  + ]:          1 :         if ((fd = open("/dev/urandom", O_RDONLY)) < 0) {
      32                 :          0 :                 log_sys_error("open", "read_urandom: /dev/urandom");
      33                 :          0 :                 return 0;
      34                 :            :         }
      35                 :            : 
      36         [ -  + ]:          1 :         if (read(fd, buf, len) != (ssize_t) len) {
      37                 :          0 :                 log_sys_error("read", "read_urandom: /dev/urandom");
      38         [ #  # ]:          0 :                 if (close(fd))
      39                 :          0 :                         stack;
      40                 :          0 :                 return 0;
      41                 :            :         }
      42                 :            : 
      43         [ -  + ]:          1 :         if (close(fd))
      44                 :          0 :                 stack;
      45                 :            : 
      46                 :          1 :         return 1;
      47                 :            : }
      48                 :            : 

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