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/*
* Copyright (C) 2013 Martin Willi
* Copyright (C) 2013 revosec AG
*
* This program 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 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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.
*/
/**
* @defgroup windows windows
* @{ @ingroup utils
*/
#ifndef WINDOWS_H_
#define WINDOWS_H_
#include <winsock2.h>
#include <ws2tcpip.h>
#include <direct.h>
/* undef Windows variants evaluating values more than once */
#undef min
#undef max
/* interface is defined as an alias to "struct" in basetypes.h, but
* we use it here and there as ordinary identifier. */
#undef interface
/* used by Windows API, but we have our own */
#undef CALLBACK
/* UID/GID types for capabilities, even if not supported */
typedef u_int uid_t;
typedef u_int gid_t;
/**
* Replacement for random(3)
*/
static inline long random(void)
{
return rand();
}
/**
* Replacement for srandom(3)
*/
static inline void srandom(unsigned int seed)
{
srand(seed);
}
/**
* Provided via ws2_32
*/
const char *inet_ntop(int af, const void *src, char *dst, socklen_t size);
/**
* Provided via ws2_32
*/
int inet_pton(int af, const char *src, void *dst);
/**
* Provided by printf hook backend
*/
int asprintf(char **strp, const char *fmt, ...);
/**
* Provided by printf hook backend
*/
int vasprintf(char **strp, const char *fmt, va_list ap);
/**
* timeradd(3) from <sys/time.h>
*/
static inline void timeradd(struct timeval *a, struct timeval *b,
struct timeval *res)
{
res->tv_sec = a->tv_sec + b->tv_sec;
res->tv_usec = a->tv_usec + b->tv_usec;
if (res->tv_usec >= 1000000)
{
res->tv_usec -= 1000000;
res->tv_sec++;
}
}
/**
* timersub(3) from <sys/time.h>
*/
static inline void timersub(struct timeval *a, struct timeval *b,
struct timeval *res)
{
res->tv_sec = a->tv_sec - b->tv_sec;
res->tv_usec = a->tv_usec - b->tv_usec;
if (res->tv_usec < 0)
{
res->tv_usec += 1000000;
res->tv_sec--;
}
}
/**
* gmtime_r(3) from <time.h>
*/
static inline struct tm *gmtime_r(const time_t *timep, struct tm *result)
{
if (sizeof(time_t) == 4)
{
if (_gmtime32_s(result, (__time32_t*)time) == 0)
{
return result;
}
}
else
{
if (_gmtime64_s(result, (__time64_t*)time) == 0)
{
return result;
}
}
return NULL;
}
/**
* localtime_r(3) from <time.h>
*/
static inline struct tm *localtime_r(const time_t *timep, struct tm *result)
{
if (sizeof(time_t) == 4)
{
if (_localtime32_s(result, (__time32_t*)time) == 0)
{
return result;
}
}
else
{
if (_localtime64_s(result, (__time64_t*)time) == 0)
{
return result;
}
}
return NULL;
}
#endif /** WINDOWS_H_ @}*/
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