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/*
* various utilities for ffmpeg system
* copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _OS_SUPPORT_H
#define _OS_SUPPORT_H
/**
* @file os_support.h
* miscellaneous OS support macros and functions.
*
* - socklen_t typedef (BeOS, Innotek libc)
* - usleep() (Win32, BeOS, OS/2)
* - lseek() (Win32)
* - floatf() (OS/2)
* - strcasecmp() (OS/2)
* - closesocket()
*/
#if defined(__BEOS__) || defined(__INNOTEK_LIBC__)
typedef int socklen_t;
#endif
#ifdef __MINGW32__
__declspec(dllimport) void __stdcall Sleep(unsigned long dwMilliseconds);
// # include <windows.h>
# define usleep(t) Sleep((t) / 1000)
# include <fcntl.h>
# define lseek(f,p,w) _lseeki64((f), (p), (w))
#endif
/* XXX: check for Winsock here */
#if 0
#define HAVE_CLOSESOCKET 1
#endif
#ifdef __BEOS__
# include <sys/socket.h>
# include <netinet/in.h>
/* not net_server ? */
# if IPPROTO_TCP != 6
# define HAVE_CLOSESOCKET 1
# endif
# include <BeBuild.h>
/* R5 didn't have usleep, fake it. Haiku and Zeta has it now. */
# if B_BEOS_VERSION <= B_BEOS_VERSION_5
# include <OS.h>
/* doesn't set errno but that's enough */
# define usleep(t) snooze((bigtime_t)(t))
# endif
#endif
#if defined(CONFIG_OS2)
#include <stdlib.h>
static inline int usleep(unsigned int t) { return _sleep2(t / 1000); }
static inline int strcasecmp(const char* s1, const char* s2) { return stricmp(s1,s2); }
#endif
/* most of the time closing a socket is just closing an fd */
#if HAVE_CLOSESOCKET != 1
#define closesocket close
#endif
#endif /* _OS_SUPPORT_H */
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