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       1                 :            : /* Convenience functions for allocation.
       2                 :            :    Copyright (C) 2006, 2015 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 <stddef.h>
      34                 :            : #include <stdlib.h>
      35                 :            : #include <sys/types.h>
      36                 :            : #include "system.h"
      37                 :            : 
      38                 :            : 
      39                 :            : /* Allocate N bytes of memory dynamically, with error checking.  */
      40                 :            : void *
      41                 :      90776 : xmalloc (size_t n)
      42                 :            : {
      43                 :      90776 :   void *p;
      44                 :            : 
      45                 :      90776 :   p = malloc (n);
      46         [ -  + ]:      90776 :   if (p == NULL)
      47                 :          0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      48                 :      90776 :   return p;
      49                 :            : }
      50                 :            : 
      51                 :            : 
      52                 :            : /* Allocate memory for N elements of S bytes, with error checking.  */
      53                 :            : void *
      54                 :       3735 : xcalloc (size_t n, size_t s)
      55                 :            : {
      56                 :       3735 :   void *p;
      57                 :            : 
      58                 :       3735 :   p = calloc (n, s);
      59         [ -  + ]:       3735 :   if (p == NULL)
      60                 :          0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      61                 :       3735 :   return p;
      62                 :            : }
      63                 :            : 
      64                 :            : 
      65                 :            : /* Change the size of an allocated block of memory P to N bytes,
      66                 :            :    with error checking.  */
      67                 :            : void *
      68                 :        512 : xrealloc (void *p, size_t n)
      69                 :            : {
      70                 :        512 :   p = realloc (p, n);
      71         [ -  + ]:        512 :   if (p == NULL)
      72                 :          0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      73                 :        512 :   return p;
      74                 :            : }