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my_malloc.c
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my_malloc.c
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/*****************************************************************************
* This file is part of the CapacMD program. *
* Copyright (C) 2015 Xin Li <lixin.reco@gmail.com> *
* *
* Filename: my_malloc.c *
* Function: allocate memory with error checking *
* Version: 1.0 *
* Updated: 2015-Jun-30 *
* License: GNU Public License, version 2 *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, write to the Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*****************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
//=============================
// my own malloc function
//=============================
void* my_malloc(size_t bytes)
{
void* ptr = malloc(bytes);
if(ptr == NULL)
{
printf ("Error: could not allocate memory!\n");
exit(1);
}
else
{
return ptr;
}
}
void* my_malloc_2(size_t bytes, char *word)
{
void* ptr = malloc(bytes);
#ifdef DEBUG
printf("size of alloc (%s) = %zu MB\n", word, bytes / 1000000);
#endif
if(ptr == NULL)
{
printf ("Error: could not allocate memory for %s !\n", word);
exit(1);
}
else
{
return ptr;
}
}