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◆ main openmsx / src / utils / win32-dirent.hh
2.2 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
e8555c89 Andy McCall 1 
#ifndef WIN32_DIRENT_HH
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#define WIN32_DIRENT_HH
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/* Copyright (C) 2001, 2006 Free Software Foundation, Inc.
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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/* Directory stream type.
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   The miscellaneous Unix `readdir' implementations read directory data
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   into a buffer and return `struct dirent *' pointers into it.  */
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// NB: Taken from http://www.koders.com/c/fid5F00BC983E0F005E15E8E590E461D363F6146CEB.aspx
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// Slightly reformatted/simplified to fit openMSX coding style.
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#ifdef _WIN32
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#include <sys/types.h>
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#include <basetsd.h> // for INT_PTR
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#include <string>
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namespace openmsx {
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struct dirstream
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{
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	INT_PTR fd;			// File descriptor.
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	void* data;			// Directory block.
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	off_t filepos;		// Position of next entry to read.
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	std::wstring mask;  // Initial file mask.
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};
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struct dirent
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{
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	long d_ino;
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	off_t d_off;
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	unsigned short d_reclen;
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	unsigned char d_type;	// always DT_UNKNOWN in current implementation
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	char d_name[256];
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};
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inline constexpr unsigned char DT_UNKNOWN = 0;
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inline constexpr unsigned char DT_REG = 1;
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inline constexpr unsigned char DT_DIR = 2;
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#define d_fileno d_ino // Backwards compatibility.
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// This is the data type of directory stream objects.
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// The actual structure is opaque to users.
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using DIR = struct dirstream;
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DIR* opendir(const char* name);
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struct dirent* readdir(DIR* dir);
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int closedir(DIR* dir);
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void rewinddir(DIR* dir);
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void seekdir(DIR* dir, off_t offset);
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off_t telldir(DIR* dir);
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//int dirfd(DIR* dir);
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} // namespace openmsx
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#endif
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#endif // WIN32_DIRENT_HH