open-cas-linux/casadm/safeclib/safe_mem_lib.h
Robert Baldyga 94e8ca09e0 Initial commit
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2019-03-29 08:45:50 +01:00

58 lines
2.2 KiB
C

/*------------------------------------------------------------------
* safe_mem_lib.h -- Safe C Library Memory APIs
*
* October 2008, Bo Berry
* Modified 2012, Jonathan Toppins <jtoppins@users.sourceforge.net>
*
* Copyright (c) 2008-2012 by Cisco Systems, Inc.
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*------------------------------------------------------------------
*/
#ifndef __SAFE_MEM_LIB_H__
#define __SAFE_MEM_LIB_H__
#include "safe_lib.h"
#define RSIZE_MAX_MEM ( 256UL << 20 ) /* 256MB */
#define RSIZE_MAX_MEM16 ( RSIZE_MAX_MEM/2 )
#define RSIZE_MAX_MEM32 ( RSIZE_MAX_MEM/4 )
/* set memory constraint handler */
extern constraint_handler_t
set_mem_constraint_handler_s(constraint_handler_t handler);
/* copy memory */
extern errno_t memcpy_s(void *dest, rsize_t dmax,
const void *src, rsize_t slen);
/* set bytes */
extern errno_t memset_s(void *dest, rsize_t dmax, uint8_t value);
/* move memory, including overlapping memory */
extern errno_t memmove_s(void *dest, rsize_t dmax,
const void *src, rsize_t slen);
#endif /* __SAFE_MEM_LIB_H__ */