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// SPDX-License-Identifier: MIT
#ifndef RGBDS_PLATFORM_HPP
#define RGBDS_PLATFORM_HPP
// MSVC doesn't have str(n)casecmp, use a suitable replacement
#ifdef _MSC_VER
#include <string.h> // IWYU pragma: export
#define strcasecmp _stricmp
#define strncasecmp _strnicmp
#else
#include <strings.h> // IWYU pragma: export
#endif
// MSVC prefixes the names of S_* macros with underscores,
// and doesn't define any S_IS* macros; define them ourselves
#ifdef _MSC_VER
#define S_IFMT _S_IFMT
#define S_IFDIR _S_IFDIR
#define S_ISDIR(mode) (((mode) & (S_IFMT)) == S_IFDIR)
#endif
// MSVC doesn't use POSIX types or defines for `read`
#ifdef _MSC_VER
#include <io.h> // IWYU pragma: export
#define STDIN_FILENO 0
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
#define ssize_t int
#define SSIZE_MAX INT_MAX
#define isatty _isatty
#else
#include <fcntl.h> // IWYU pragma: export
#include <limits.h> // IWYU pragma: export
#include <unistd.h> // IWYU pragma: export
#endif
// MSVC uses a different name for O_RDWR, and needs an additional _O_BINARY flag
#ifdef _MSC_VER
#include <fcntl.h> // IWYU pragma: export
#define O_RDWR _O_RDWR
#define S_ISREG(field) ((field) & (_S_IFREG))
#define O_BINARY _O_BINARY
#define O_TEXT _O_TEXT
#elif !defined(O_BINARY) // Cross-compilers define O_BINARY
#define O_BINARY 0 // POSIX says we shouldn't care!
#define O_TEXT 0 // Assume that it's not defined either
#endif // _MSC_VER
// Windows has stdin and stdout open as text by default, which we may not want
#if defined(_MSC_VER) || defined(__MINGW32__)
#include <io.h> // IWYU pragma: export
#define setmode(fd, mode) _setmode(fd, mode)
#else
#define setmode(fd, mode) (0)
#endif
// MingGW and Cygwin need POSIX functions which are not standard C explicitly enabled,
#if defined(__MINGW32__) || defined(__CYGWIN__)
#define _POSIX_C_SOURCE 200809L
#endif
#endif // RGBDS_PLATFORM_HPP
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