shithub: rgbds

ref: 7fc8a65d0a428f8ee6978619ad4bd5b0acb64749
dir: /include/platform.h/

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/*
 * This file is part of RGBDS.
 *
 * Copyright (c) 2020 RGBDS contributors.
 *
 * SPDX-License-Identifier: MIT
 */

/* platform-specific hacks */

#ifndef RGBDS_PLATFORM_H
#define RGBDS_PLATFORM_H

/* MSVC doesn't have strncasecmp, use a suitable replacement */
#ifdef _MSC_VER
# include <string.h>
# define strncasecmp _strnicmp
#else
# include <strings.h>
#endif

/* MSVC has deprecated strdup in favor of _strdup */
#ifdef _MSC_VER
# define strdup _strdup
#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>
# define STDIN_FILENO 0
# define STDOUT_FILENO 1
# define STDERR_FILENO 2
# define ssize_t int
# define SSIZE_MAX INT_MAX
#else
# include <fcntl.h>
# include <unistd.h>
#endif

/* MSVC doesn't support `[static N]` for array arguments from C99 */
#ifdef _MSC_VER
# define MIN_NB_ELMS(N)
#else
# define MIN_NB_ELMS(N) static (N)
#endif

// MSVC uses a different name for O_RDWR, and needs an additional _O_BINARY flag
#ifdef _MSC_VER
# include <fcntl.h>
# define O_RDWR _O_RDWR
# define S_ISREG(field) ((field) & _S_IFREG)
# define O_BINARY _O_BINARY
#elif !defined(O_BINARY) // Cross-compilers define O_BINARY
# define O_BINARY 0 // POSIX says we shouldn't care!
#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>
# define setmode(fd, mode) _setmode(fd, mode)
#else
# define setmode(fd, mode) ((void)0)
#endif

#endif /* RGBDS_PLATFORM_H */