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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                 :      110496 : xmalloc (size_t n)
      42                 :             : {
      43                 :             :   void *p;
      44                 :             : 
      45                 :      110496 :   p = malloc (n);
      46         [ -  + ]:      110496 :   if (p == NULL)
      47                 :           0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      48                 :      110496 :   return p;
      49                 :             : }
      50                 :             : 
      51                 :             : 
      52                 :             : /* Allocate memory for N elements of S bytes, with error checking.  */
      53                 :             : void *
      54                 :        3755 : xcalloc (size_t n, size_t s)
      55                 :             : {
      56                 :             :   void *p;
      57                 :             : 
      58                 :        3755 :   p = calloc (n, s);
      59         [ -  + ]:        3755 :   if (p == NULL)
      60                 :           0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      61                 :        3755 :   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                 :         244 : xrealloc (void *p, size_t n)
      69                 :             : {
      70                 :         244 :   p = realloc (p, n);
      71         [ -  + ]:         244 :   if (p == NULL)
      72                 :           0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      73                 :         244 :   return p;
      74                 :             : }