Branch data     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                 :            : 
      40                 :            : /* Allocate N bytes of memory dynamically, with error checking.  */
      41                 :            : void *
      42                 :      65625 : xmalloc (size_t n)
      43                 :            : {
      44                 :      65625 :   void *p;
      45                 :            : 
      46                 :      65625 :   p = malloc (n);
      47         [ -  + ]:      65625 :   if (p == NULL)
      48                 :          0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      49                 :      65625 :   return p;
      50                 :            : }
      51                 :            : 
      52                 :            : 
      53                 :            : /* Allocate memory for N elements of S bytes, with error checking.  */
      54                 :            : void *
      55                 :       2422 : xcalloc (size_t n, size_t s)
      56                 :            : {
      57                 :       2422 :   void *p;
      58                 :            : 
      59                 :       2422 :   p = calloc (n, s);
      60         [ -  + ]:       2422 :   if (p == NULL)
      61                 :          0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      62                 :       2422 :   return p;
      63                 :            : }
      64                 :            : 
      65                 :            : 
      66                 :            : /* Change the size of an allocated block of memory P to N bytes,
      67                 :            :    with error checking.  */
      68                 :            : void *
      69                 :        294 : xrealloc (void *p, size_t n)
      70                 :            : {
      71                 :        294 :   p = realloc (p, n);
      72         [ -  + ]:        294 :   if (p == NULL)
      73                 :          0 :     error (EXIT_FAILURE, 0, _("memory exhausted"));
      74                 :        294 :   return p;
      75                 :            : }