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/* grecs - Gray's Extensible Configuration System
Copyright (C) 2007-2016 Sergey Poznyakoff
Grecs 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 3 of the License, or (at your
option) any later version.
Grecs 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 Grecs. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <grecs.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
static void *
def_malloc_fun(size_t size)
{
return malloc(size);
}
static void *
def_realloc_fun(void *ptr, size_t size)
{
return realloc(ptr, size);
}
static void
def_free_fun(void *ptr)
{
free(ptr);
}
void *(*grecs_malloc_fun)(size_t size) = def_malloc_fun;
void *(*grecs_realloc_fun)(void *ptr, size_t size) = def_realloc_fun;
void (*grecs_alloc_die_fun)(void);
void (*grecs_free_fun)(void *) = def_free_fun;
void
grecs_free(void *ptr)
{
grecs_free_fun(ptr);
}
void *
grecs_malloc(size_t size)
{
void *ptr = grecs_malloc_fun(size);
if (!ptr)
grecs_alloc_die();
return ptr;
}
void *
grecs_zalloc(size_t size)
{
void *ptr = grecs_malloc(size);
memset(ptr, 0, size);
return ptr;
}
void *
grecs_calloc(size_t nmemb, size_t size)
{
return grecs_zalloc(nmemb * size);
}
void *
grecs_realloc(void *ptr, size_t size)
{
void *newptr = grecs_realloc_fun(ptr, size);
if (!newptr)
grecs_alloc_die();
return newptr;
}
char *
grecs_strdup(const char *str)
{
char *newstr = grecs_malloc(strlen(str) + 1);
return strcpy(newstr, str);
}
void
grecs_alloc_die(void)
{
if (grecs_alloc_die_fun)
grecs_alloc_die_fun();
grecs_error(NULL, ENOMEM, "fatal error");
exit(70); /* EX_SOFTWARE */
}
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