/* <!-- copyright */
/*
 * aria2 - The high speed download utility
 *
 * Copyright (C) 2006 Tatsuhiro Tsujikawa
 *
 * 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.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * In addition, as a special exception, the copyright holders give
 * permission to link the code of portions of this program with the
 * OpenSSL library under certain conditions as described in each
 * individual source file, and distribute linked combinations
 * including the two.
 * You must obey the GNU General Public License in all respects
 * for all of the code used other than OpenSSL.  If you modify
 * file(s) with this exception, you may extend this exception to your
 * version of the file(s), but you are not obligated to do so.  If you
 * do not wish to do so, delete this exception statement from your
 * version.  If you delete this exception statement from all source
 * files in the program, then also delete it here.
 */
/* copyright --> */
#ifndef D_A2IO_H
#define D_A2IO_H
#include "common.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <cerrno>
#ifdef HAVE_POLL_H
#include <poll.h>
#endif // HAVE_POLL_H
#ifdef HAVE_IO_H
#include <io.h>
#endif // HAVE_IO_H
#ifdef HAVE_WINIOCTL_H
#include <winioctl.h>
#endif // HAVE_WINIOCTL_H
#ifdef HAVE_SHARE_H
#include <share.h>
#endif // HAVE_SHARE_H

// in some platforms following definitions are missing:
#ifndef EINPROGRESS
#define EINPROGRESS (WSAEINPROGRESS)
#endif // EINPROGRESS

#ifndef O_NONBLOCK
#define O_NONBLOCK (O_NDELAY)
#endif // O_NONBLOCK

#ifndef O_BINARY
#define O_BINARY (0)
#endif // O_BINARY

// st_mode flags
#ifndef S_IRUSR
#define S_IRUSR 0000400 /* read permission, owner */
#endif                  /* S_IRUSR       */
#ifndef S_IWUSR
#define S_IWUSR 0000200 /* write permission, owner */
#endif                  /* S_IWUSR       */
#ifndef S_IXUSR
#define S_IXUSR 0000100 /* execute/search permission, owner */
#endif                  /* S_IXUSR */
#ifndef S_IRWXU
#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
#endif /* S_IRWXU       */
#ifndef S_IRGRP
#define S_IRGRP 0000040 /* read permission, group */
#endif                  /* S_IRGRP       */
#ifndef S_IWGRP
#define S_IWGRP 0000020 /* write permission, group */
#endif                  /* S_IWGRP       */
#ifndef S_IXGRP
#define S_IXGRP 0000010 /* execute/search permission, group */
#endif                  /* S_IXGRP */
#ifndef S_IRWXG
#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
#endif /* S_IRWXG               */
#ifndef S_IROTH
#define S_IROTH 0000004 /* read permission, other */
#endif                  /* S_IROTH       */
#ifndef S_IWOTH
#define S_IWOTH 0000002 /* write permission, other */
#endif                  /* S_IWOTH       */
#ifndef S_IXOTH
#define S_IXOTH 0000001 /* execute/search permission, other */
#endif                  /* S_IXOTH */
#ifndef S_IRWXO
#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
#endif /* S_IRWXO               */

// Use 'nul' instead of /dev/null in win32.
#ifdef HAVE_WINSOCK2_H
#define DEV_NULL "nul"
#else
#define DEV_NULL "/dev/null"
#endif // HAVE_WINSOCK2_H

// Use 'con' instead of '/dev/stdin' and '/dev/stdout' in win32.
#ifdef HAVE_WINSOCK2_H
#define DEV_STDIN "con"
#define DEV_STDOUT "con"
#else
#define DEV_STDIN "/dev/stdin"
#define DEV_STDOUT "/dev/stdout"
#endif // HAVE_WINSOCK2_H

#ifdef __MINGW32__
#define a2lseek(fd, offset, origin) _lseeki64(fd, offset, origin)
#define a2fseek(fd, offset, origin) _fseeki64(fd, offset, origin)
#define a2fstat(fd, buf) _fstati64(fd, buf)
#define a2ftell(fd) _ftelli64(fd)
#define a2wstat(path, buf) _wstati64(path, buf)
#ifdef stat
#undef stat
#endif // stat
#define a2_struct_stat struct _stati64
#define a2stat(path, buf) _wstati64(path, buf)
#define a2tell(handle) _telli64(handle)
#define a2mkdir(path, openMode) _wmkdir(path)
#define a2utimbuf _utimbuf
#define a2utime(path, times) _wutime(path, times)
#define a2unlink(path) _wunlink(path)
#define a2rmdir(path) _wrmdir(path)
// For Windows, we share files for reading and writing.
#define a2open(path, flags, mode) _wsopen(path, flags, _SH_DENYNO, mode)
#define a2fopen(path, mode) _wfsopen(path, mode, _SH_DENYNO)
// # define a2ftruncate(fd, length): We don't use ftruncate in Mingw build
#define a2_off_t off_t
#elif defined(__ANDROID__) || defined(ANDROID)
#define a2lseek(fd, offset, origin) lseek64(fd, offset, origin)
// # define a2fseek(fp, offset, origin): No fseek64 and not used in aria2
#define a2fstat(fd, buf) fstat64(fd, buf)
// # define a2ftell(fd): No ftell64 and not used in aria2
#define a2_struct_stat struct stat
#define a2stat(path, buf) stat64(path, buf)
#define a2mkdir(path, openMode) mkdir(path, openMode)
#define a2utimbuf utimbuf
#define a2utime(path, times) ::utime(path, times)
#define a2unlink(path) unlink(path)
#define a2rmdir(path) rmdir(path)
#define a2open(path, flags, mode) open(path, flags, mode)
#define a2fopen(path, mode) fopen(path, mode)
// Android NDK R8e does not provide ftruncate64 prototype, so let's
// define it here.
#ifdef __cplusplus
extern "C" {
#endif
extern int ftruncate64(int fd, off64_t length);
#ifdef __cplusplus
}
#endif
#define a2ftruncate(fd, length) ftruncate64(fd, length)
// Use off64_t directly since android does not offer transparent
// switching between off_t and off64_t.
#define a2_off_t off64_t
#else // !__MINGW32__ && !(defined(__ANDROID__) || defined(ANDROID))
#define a2lseek(fd, offset, origin) lseek(fd, offset, origin)
#define a2fseek(fp, offset, origin) fseek(fp, offset, origin)
#define a2fstat(fp, buf) fstat(fp, buf)
#define a2ftell(fp) ftell(fp)
#define a2_struct_stat struct stat
#define a2stat(path, buf) stat(path, buf)
#define a2mkdir(path, openMode) mkdir(path, openMode)
#define a2utimbuf utimbuf
#define a2utime(path, times) ::utime(path, times)
#define a2unlink(path) unlink(path)
#define a2rmdir(path) rmdir(path)
#define a2open(path, flags, mode) open(path, flags, mode)
#define a2fopen(path, mode) fopen(path, mode)
#define a2ftruncate(fd, length) ftruncate(fd, length)
#define a2_off_t off_t
#endif

#define OPEN_MODE S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH
#define DIR_OPEN_MODE S_IRWXU | S_IRWXG | S_IRWXO

#ifdef __MINGW32__
#define A2_BAD_FD INVALID_HANDLE_VALUE
#else // !__MINGW32__
#define A2_BAD_FD -1
#endif // !__MINGW32__

#endif // D_A2IO_H