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/*
chronyd/chronyc - Programs for keeping computer clocks accurate.
**********************************************************************
* Copyright (C) Miroslav Lichvar 2014, 2017
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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.
*
**********************************************************************
=======================================================================
Utility functions for memory allocation.
*/
#include "config.h"
#include "logging.h"
#include "memory.h"
void *
Malloc(size_t size)
{
void *r;
r = malloc(size);
if (!r && size)
LOG_FATAL("Could not allocate memory");
return r;
}
void *
Realloc(void *ptr, size_t size)
{
void *r;
if (size == 0) {
Free(ptr);
return NULL;
}
r = realloc(ptr, size);
if (!r)
LOG_FATAL("Could not allocate memory");
return r;
}
static size_t
get_array_size(size_t nmemb, size_t size)
{
size_t array_size;
array_size = nmemb * size;
/* Check for overflow */
if (nmemb > 0 && array_size / nmemb != size)
LOG_FATAL("Could not allocate memory");
return array_size;
}
void *
Malloc2(size_t nmemb, size_t size)
{
return Malloc(get_array_size(nmemb, size));
}
void *
Realloc2(void *ptr, size_t nmemb, size_t size)
{
return Realloc(ptr, get_array_size(nmemb, size));
}
char *
Strdup(const char *s)
{
void *r;
r = strdup(s);
if (!r)
LOG_FATAL("Could not allocate memory");
return r;
}
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