LCOV - code coverage report
Current view: top level - libdwfl - dwfl_set_sysroot.c (source / functions) Hit Total Coverage
Test: elfutils-0.192 Lines: 15 22 68.2 %
Date: 2024-10-29 17:41:10 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 6 12 50.0 %

           Branch data     Line data    Source code
       1                 :            : /* Return one of the sources lines of a CU.
       2                 :            :    Copyright (C) 2024 Red Hat, Inc.
       3                 :            :    This file is part of elfutils.
       4                 :            : 
       5                 :            :    This file is free software; you can redistribute it and/or modify
       6                 :            :    it under the terms of either
       7                 :            : 
       8                 :            :      * the GNU Lesser General Public License as published by the Free
       9                 :            :        Software Foundation; either version 3 of the License, or (at
      10                 :            :        your option) any later version
      11                 :            : 
      12                 :            :    or
      13                 :            : 
      14                 :            :      * the GNU General Public License as published by the Free
      15                 :            :        Software Foundation; either version 2 of the License, or (at
      16                 :            :        your option) any later version
      17                 :            : 
      18                 :            :    or both in parallel, as here.
      19                 :            : 
      20                 :            :    elfutils is distributed in the hope that it will be useful, but
      21                 :            :    WITHOUT ANY WARRANTY; without even the implied warranty of
      22                 :            :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      23                 :            :    General Public License for more details.
      24                 :            : 
      25                 :            :    You should have received copies of the GNU General Public License and
      26                 :            :    the GNU Lesser General Public License along with this program.  If
      27                 :            :    not, see <http://www.gnu.org/licenses/>.  */
      28                 :            : 
      29                 :            : #ifdef HAVE_CONFIG_H
      30                 :            : # include <config.h>
      31                 :            : #endif
      32                 :            : 
      33                 :            : #include <sys/stat.h>
      34                 :            : 
      35                 :            : #include "libdwflP.h"
      36                 :            : #include "libdwP.h"
      37                 :            : 
      38                 :            : int
      39                 :          2 : dwfl_set_sysroot (Dwfl *dwfl, const char *sysroot)
      40                 :            : {
      41         [ -  + ]:          2 :   if (!sysroot)
      42                 :            :     {
      43                 :          0 :       free (dwfl->sysroot);
      44                 :          0 :       dwfl->sysroot = NULL;
      45                 :          0 :       return 0;
      46                 :            :     }
      47                 :            : 
      48                 :          2 :   char *r, *s;
      49         [ +  - ]:          2 :   r = realpath (sysroot, NULL);
      50         [ +  - ]:          2 :   if (!r)
      51                 :            :     return -1;
      52                 :            : 
      53                 :          2 :   int rc;
      54                 :          2 :   struct stat sb;
      55                 :            : 
      56                 :          2 :   rc = stat (r, &sb);
      57   [ +  -  -  + ]:          2 :   if (rc < 0 || !S_ISDIR (sb.st_mode))
      58                 :            :     {
      59                 :          0 :       errno = EINVAL;
      60                 :          0 :       return -1;
      61                 :            :     }
      62                 :            : 
      63                 :          2 :   rc = asprintf (&s, "%s/", r);
      64         [ -  + ]:          2 :   if (rc < 0)
      65                 :            :     {
      66                 :          0 :       errno = ENOMEM;
      67                 :          0 :       return -1;
      68                 :            :     }
      69                 :            : 
      70                 :          2 :   free (dwfl->sysroot);
      71                 :          2 :   free (r);
      72                 :            : 
      73                 :          2 :   dwfl->sysroot = s;
      74                 :          2 :   return 0;
      75                 :            : }
      76                 :            : 
      77                 :            : INTDEF (dwfl_set_sysroot)

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