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/* system.c - System support functions.
Copyright (C) 2009 Free Software Foundation, Inc.
This file is part of Assuan.
Assuan is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of
the License, or (at your option) any later version.
Assuan 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <errno.h>
#include "assuan-defs.h"
#include "debug.h"
/* Manage memory specific to a context. */
void *
_assuan_malloc (assuan_context_t ctx, size_t cnt)
{
return ctx->malloc_hooks.malloc (cnt);
}
void *
_assuan_realloc (assuan_context_t ctx, void *ptr, size_t cnt)
{
return ctx->malloc_hooks.realloc (ptr, cnt);
}
void *
_assuan_calloc (assuan_context_t ctx, size_t cnt, size_t elsize)
{
void *ptr;
size_t nbytes;
nbytes = cnt * elsize;
/* Check for overflow. */
if (elsize && nbytes / elsize != cnt)
{
errno = ENOMEM;
return NULL;
}
ptr = ctx->malloc_hooks.malloc (nbytes);
if (ptr)
memset (ptr, 0, nbytes);
return ptr;
}
void
_assuan_free (assuan_context_t ctx, void *ptr)
{
if (ptr)
ctx->malloc_hooks.free (ptr);
}
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