axmol/core/base/posix_io.h

53 lines
1.8 KiB
C

#pragma once
#if defined(_WIN32)
# include <errno.h>
# include <io.h>
# include <direct.h>
#else
# include <unistd.h>
# include <errno.h>
#endif
#include <fcntl.h>
#if defined(_WIN32)
extern "C" int _ftruncate(int fd, int64_t size);
# include "ntcvt/ntcvt.hpp"
# define O_READ_FLAGS O_BINARY | O_RDONLY, S_IREAD
# define O_WRITE_FLAGS O_CREAT | O_RDWR | O_BINARY | O_TRUNC, S_IWRITE | S_IREAD
# define O_APPEND_FLAGS O_APPEND | O_CREAT | O_RDWR | O_BINARY, S_IWRITE | S_IREAD
# define O_OVERLAP_FLAGS O_CREAT | O_RDWR | O_BINARY, S_IWRITE | S_IREAD
# define posix_open_cxx(path, ...) ::_wopen(ntcvt::from_chars(path).c_str(), ##__VA_ARGS__)
# define posix_open(path, ...) ::_wopen(ntcvt::from_chars(path).c_str(), ##__VA_ARGS__)
# define posix_close ::_close
# define posix_lseek ::_lseek
# define posix_read ::_read
# define posix_write ::_write
# define posix_fd2fh(fd) reinterpret_cast<HANDLE>(_get_osfhandle(fd))
# define posix_ftruncate(fd, size) ::_ftruncate(fd, size)
# define posix_ftruncate64 posix_ftruncate
# define posix_lseek64 ::_lseeki64
#else
# define O_READ_FLAGS O_RDONLY
# define O_WRITE_FLAGS O_CREAT | O_RDWR | O_TRUNC, S_IRWXU
# define O_APPEND_FLAGS O_APPEND | O_CREAT | O_RDWR, S_IRWXU
# define O_OVERLAP_FLAGS O_CREAT | O_RDWR, S_IRWXU
# define posix_open_cxx(path, ...) ::open(path.data(), ##__VA_ARGS__)
# define posix_open ::open
# define posix_close ::close
# define posix_lseek ::lseek
# define posix_read ::read
# define posix_write ::write
# define posix_fd2fh(fd) (fd)
# define posix_ftruncate ::ftruncate
# if defined(__APPLE__)
# define posix_lseek64 ::lseek
# define posix_ftruncate64 ::ftruncate
# else
# define posix_lseek64 ::lseek64
# define posix_ftruncate64 ::ftruncate64
# endif
#endif