[ceph.git] / ceph / src / dpdk / lib / librte_eal / common / include / rte_warnings.h

/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @file
 * Definitions of warnings for use of various insecure functions
 */

#ifndef _RTE_WARNINGS_H_
#define _RTE_WARNINGS_H_

#ifdef RTE_INSECURE_FUNCTION_WARNING

/* we need to include all used standard header files so that they appear
 * _before_ we poison the function names.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <errno.h>
#ifdef RTE_EXEC_ENV_LINUXAPP
#include <dirent.h>
#endif

/* the following function are deemed not fully secure for use e.g. they
 * do not always null-terminate arguments */
#pragma GCC poison sprintf strtok snprintf vsnprintf
#pragma GCC poison strlen strcpy strcat
#pragma GCC poison sscanf

/* other unsafe functions may be implemented as macros so just undef them */
#ifdef strsep
#undef strsep
#else
#pragma GCC poison strsep
#endif

#ifdef strncpy
#undef strncpy
#else
#pragma GCC poison strncpy
#endif

#ifdef strncat
#undef strncat
#else
#pragma GCC poison strncat
#endif

#endif

#endif /* RTE_WARNINGS_H */
Commit	Line	Data
7c673cae FG	1	/*-
	2	* BSD LICENSE
	3	*
	4	* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
	5	* All rights reserved.
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions
	9	* are met:
	10	*
	11	* * Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	* * Redistributions in binary form must reproduce the above copyright
	14	* notice, this list of conditions and the following disclaimer in
	15	* the documentation and/or other materials provided with the
	16	* distribution.
	17	* * Neither the name of Intel Corporation nor the names of its
	18	* contributors may be used to endorse or promote products derived
	19	* from this software without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	22	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	23	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	24	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	25	* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	26	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	27	* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	28	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	29	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	30	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	31	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	32	*/
	33
	34	/**
	35	* @file
	36	* Definitions of warnings for use of various insecure functions
	37	*/
	38
	39	#ifndef _RTE_WARNINGS_H_
	40	#define _RTE_WARNINGS_H_
	41
	42	#ifdef RTE_INSECURE_FUNCTION_WARNING
	43
	44	/* we need to include all used standard header files so that they appear
	45	* _before_ we poison the function names.
	46	*/
	47
	48	#include <stdio.h>
	49	#include <stdlib.h>
	50	#include <string.h>
	51	#include <stdarg.h>
	52	#include <errno.h>
	53	#ifdef RTE_EXEC_ENV_LINUXAPP
	54	#include <dirent.h>
	55	#endif
	56
	57	/* the following function are deemed not fully secure for use e.g. they
	58	* do not always null-terminate arguments */
	59	#pragma GCC poison sprintf strtok snprintf vsnprintf
	60	#pragma GCC poison strlen strcpy strcat
	61	#pragma GCC poison sscanf
	62
	63	/* other unsafe functions may be implemented as macros so just undef them */
	64	#ifdef strsep
65	#undef strsep
66	#else
67	#pragma GCC poison strsep
68	#endif
69
70	#ifdef strncpy
71	#undef strncpy
72	#else
73	#pragma GCC poison strncpy
74	#endif
75
76	#ifdef strncat
77	#undef strncat
78	#else
79	#pragma GCC poison strncat
80	#endif
81
82	#endif
83
84	#endif /* RTE_WARNINGS_H */