lwip/contrib/ports/win32/include/arch/cc.h

/*
 * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 *
 * This file is part of the lwIP TCP/IP stack.
 *
 * Author: Adam Dunkels <adam@sics.se>
 *
 */
#ifndef LWIP_ARCH_CC_H
#define LWIP_ARCH_CC_H

#ifdef _MSC_VER
#pragma warning (disable: 4127) /* conditional expression is constant */
#pragma warning (disable: 4996) /* 'strncpy' was declared deprecated */
#pragma warning (disable: 4103) /* structure packing changed by including file */
#pragma warning (disable: 4820) /* 'x' bytes padding added after data member 'y' */
#pragma warning (disable: 4711) /* The compiler performed inlining on the given function, although it was not marked for inlining */
#endif

#ifdef _MSC_VER
#if _MSC_VER >= 1910
#include <errno.h> /* use MSVC errno for >= 2017 */
#else
#define LWIP_PROVIDE_ERRNO /* provide errno for MSVC pre-2017 */
#endif
#else /* _MSC_VER */
#define LWIP_PROVIDE_ERRNO /* provide errno for non-MSVC */
#endif /* _MSC_VER */

/* Define platform endianness (might already be defined) */
#ifndef BYTE_ORDER
#define BYTE_ORDER LITTLE_ENDIAN
#endif /* BYTE_ORDER */

typedef int sys_prot_t;

#ifdef _MSC_VER
/* define _INTPTR for Win32 MSVC stdint.h */
#define _INTPTR 2

/* Do not use lwIP default definitions for format strings
 * because these do not work with MSVC 2010 compiler (no inttypes.h)
 */
#define LWIP_NO_INTTYPES_H 1

/* Define (sn)printf formatters for these lwIP types */
#define X8_F  "02x"
#define U16_F "hu"
#define U32_F "lu"
#define S32_F "ld"
#define X32_F "lx"

#define S16_F "hd"
#define X16_F "hx"
#define SZT_F "lu"
#endif /* _MSC_VER */

/* Compiler hints for packing structures */
#define PACK_STRUCT_USE_INCLUDES

#define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \
  LWIP_PLATFORM_DIAG(("Assertion \"%s\" failed at line %d in %s\n", message, __LINE__, __FILE__)); \
  handler;} } while(0)

#ifdef _MSC_VER
/* C runtime functions redefined */
#if _MSC_VER < 1910
#define snprintf _snprintf
#endif
#define strdup   _strdup
#endif

/* Define an example for LWIP_PLATFORM_DIAG: since this uses varargs and the old
* C standard lwIP targets does not support this in macros, we have extra brackets
* around the arguments, which are left out in the following macro definition:
*/
#if !defined(LWIP_TESTMODE) || !LWIP_TESTMODE
void lwip_win32_platform_diag(const char *format, ...);
#define LWIP_PLATFORM_DIAG(x) lwip_win32_platform_diag x
#endif

#ifndef LWIP_NORAND
extern unsigned int sys_win_rand(void);
#define LWIP_RAND() (sys_win_rand())
#endif

#define PPP_INCLUDE_SETTINGS_HEADER

#endif /* LWIP_ARCH_CC_H */