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 <error.h>
      34             : #include <libintl.h>
      35             : #include <stddef.h>
      36             : #include <stdlib.h>
      37             : #include <sys/types.h>
      38             : #include "system.h"
      39             : 
      40             : #ifndef _
      41             : # define _(str) gettext (str)
      42             : #endif
      43             : 
      44             : 
      45             : /* Allocate N bytes of memory dynamically, with error checking.  */
      46             : void *
      47       57287 : xmalloc (size_t n)
      48             : {
      49             :   void *p;
      50             : 
      51       57287 :   p = malloc (n);
      52       57287 :   if (p == NULL)
      53           0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      54       57287 :   return p;
      55             : }
      56             : 
      57             : 
      58             : /* Allocate memory for N elements of S bytes, with error checking.  */
      59             : void *
      60        2230 : xcalloc (size_t n, size_t s)
      61             : {
      62             :   void *p;
      63             : 
      64        2230 :   p = calloc (n, s);
      65        2230 :   if (p == NULL)
      66           0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      67        2230 :   return p;
      68             : }
      69             : 
      70             : 
      71             : /* Change the size of an allocated block of memory P to N bytes,
      72             :    with error checking.  */
      73             : void *
      74         261 : xrealloc (void *p, size_t n)
      75             : {
      76         261 :   p = realloc (p, n);
      77         261 :   if (p == NULL)
      78           0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      79         261 :   return p;
      80             : }