Line data    Source code

       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 <libintl.h>
      34             : #include <stddef.h>
      35             : #include <stdlib.h>
      36             : #include <sys/types.h>
      37             : #include "system.h"
      38             : 
      39             : #ifndef _
      40             : # define _(str) gettext (str)
      41             : #endif
      42             : 
      43             : 
      44             : /* Allocate N bytes of memory dynamically, with error checking.  */
      45             : void *
      46       57614 : xmalloc (size_t n)
      47             : {
      48             :   void *p;
      49             : 
      50       57614 :   p = malloc (n);
      51       57614 :   if (p == NULL)
      52           0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      53       57614 :   return p;
      54             : }
      55             : 
      56             : 
      57             : /* Allocate memory for N elements of S bytes, with error checking.  */
      58             : void *
      59        2256 : xcalloc (size_t n, size_t s)
      60             : {
      61             :   void *p;
      62             : 
      63        2256 :   p = calloc (n, s);
      64        2256 :   if (p == NULL)
      65           0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      66        2256 :   return p;
      67             : }
      68             : 
      69             : 
      70             : /* Change the size of an allocated block of memory P to N bytes,
      71             :    with error checking.  */
      72             : void *
      73         280 : xrealloc (void *p, size_t n)
      74             : {
      75         280 :   p = realloc (p, n);
      76         280 :   if (p == NULL)
      77           0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      78         280 :   return p;
      79             : }