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#ifndef RBIMPL_DOSISH_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_DOSISH_H
/**
* @file
* @author Ruby developers <ruby-core@ruby-lang.org>
* @copyright This file is a part of the programming language Ruby.
* Permission is hereby granted, to either redistribute and/or
* modify this file, provided that the conditions mentioned in the
* file COPYING are met. Consult the file for details.
* @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are
* implementation details. Don't take them as canon. They could
* rapidly appear then vanish. The name (path) of this header file
* is also an implementation detail. Do not expect it to persist
* at the place it is now. Developers are free to move it anywhere
* anytime at will.
* @note To ruby-core: remember that this header can be possibly
* recursively included from extension libraries written in C++.
* Do not expect for instance `__VA_ARGS__` is always available.
* We assume C99 for ruby itself but we don't assume languages of
* extension libraries. They could be written in C++98.
* @brief Support for so-called dosish systems.
*/
#ifdef __CYGWIN__
#undef _WIN32
#endif
#if defined(_WIN32)
/*
DOSISH mean MS-Windows style filesystem.
But you should use more precise macros like DOSISH_DRIVE_LETTER, PATH_SEP,
ENV_IGNORECASE or CASEFOLD_FILESYSTEM.
*/
#define DOSISH 1
# define DOSISH_DRIVE_LETTER
#endif
#ifdef _WIN32
#include "ruby/win32.h"
#endif
/** The delimiter of `PATH` environment variable. */
#if defined(DOSISH)
#define PATH_SEP ";"
#else
#define PATH_SEP ":"
#endif
/** Identical to #PATH_SEP, except it is of type `char`. */
#define PATH_SEP_CHAR PATH_SEP[0]
/**
* @private
*
* @deprecated This macro once was a thing in the old days, but makes no sense
* any longer today. Exists here for backwards compatibility
* only. You can safely forget about it.
*
* @internal
*
* For historical interests: there was an operating system called Human68k
* which used an environment variable called `"path"` for this purpose.
*/
#define PATH_ENV "PATH"
#if defined(DOSISH)
#define ENV_IGNORECASE
#endif
/**
* Stone age assumption was that an operating system supports only one file
* system at a moment. This macro was to detect if such (one and only) file
* system has case sensitivity. This assumption is largely not true any
* longer; most operating systems can mount many kinds of file systems side by
* side. Also there are file systems that do or do not ignore cases depending
* on configuration (e.g. EXT4's `casefold` feature).
*
* This macro is still used internally (for instance Ruby level constant
* `File::FNM_SYSCASE` depends on it), but it is basically a wrong idea for you
* to use it today. Please just find another way.
*/
#ifndef CASEFOLD_FILESYSTEM
# if defined DOSISH
# define CASEFOLD_FILESYSTEM 1
# else
# define CASEFOLD_FILESYSTEM 0
# endif
#endif
#endif /* RBIMPL_DOSISH_H */
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