mirror of
https://github.com/zenorogue/hyperrogue.git
synced 2024-11-23 21:07:17 +00:00
144 lines
4.4 KiB
C
144 lines
4.4 KiB
C
/*
|
|
* DIRENT.H (formerly DIRLIB.H)
|
|
* This file has no copyright assigned and is placed in the Public Domain.
|
|
* This file is a part of the mingw-runtime package.
|
|
* No warranty is given; refer to the file DISCLAIMER within the package.
|
|
*
|
|
*/
|
|
#ifndef _DIRENT_H_
|
|
#define _DIRENT_H_
|
|
|
|
/* All the headers include this file. */
|
|
#include <_mingw.h>
|
|
|
|
#include <io.h>
|
|
|
|
#ifndef RC_INVOKED
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct dirent
|
|
{
|
|
long d_ino; /* Always zero. */
|
|
unsigned short d_reclen; /* Always zero. */
|
|
unsigned short d_namlen; /* Length of name in d_name. */
|
|
|
|
/* The following exactly mimic the layout of _finddata_t ...
|
|
*/
|
|
unsigned d_type; /* File attributes */
|
|
time_t d_time_create;
|
|
time_t d_time_access; /* always midnight local time */
|
|
time_t d_time_write;
|
|
_fsize_t d_size;
|
|
/*
|
|
* ...so that we may map a union of _finddata_t at the
|
|
* location of d_type (corresponding to _finddata_t.attrib),
|
|
* and thus map this directly to the _findfirst/_findnext
|
|
* returned field.
|
|
*/
|
|
char d_name[FILENAME_MAX]; /* File name. */
|
|
};
|
|
|
|
/*
|
|
* This opaque data type represents the private structure
|
|
* through which a directory stream is referenced.
|
|
*/
|
|
typedef union __dirstream_t DIR;
|
|
|
|
DIR* __cdecl __MINGW_NOTHROW opendir (const char*);
|
|
struct dirent* __cdecl __MINGW_NOTHROW readdir (DIR*);
|
|
int __cdecl __MINGW_NOTHROW closedir (DIR*);
|
|
void __cdecl __MINGW_NOTHROW rewinddir (DIR*);
|
|
long __cdecl __MINGW_NOTHROW telldir (DIR*);
|
|
void __cdecl __MINGW_NOTHROW seekdir (DIR*, long);
|
|
|
|
|
|
/* wide char versions */
|
|
|
|
struct _wdirent
|
|
{
|
|
long d_ino; /* Always zero. */
|
|
unsigned short d_reclen; /* Always zero. */
|
|
unsigned short d_namlen; /* Length of name in d_name. */
|
|
|
|
/* The following exactly mimic the layout of _wfinddata_t ...
|
|
*/
|
|
unsigned d_type; /* File attributes */
|
|
time_t d_time_create; /* -1 for FAT file systems */
|
|
time_t d_time_access; /* -1 for FAT file systems */
|
|
time_t d_time_write;
|
|
_fsize_t d_size;
|
|
/*
|
|
* ...so that we may map a union of _wfinddata_t at the
|
|
* location of d_type (corresponding to _wfinddata_t.attrib),
|
|
* and thus map this directly to the _wfindfirst/_wfindnext
|
|
* returned field.
|
|
*/
|
|
wchar_t d_name[FILENAME_MAX]; /* File name. */
|
|
};
|
|
|
|
/*
|
|
* This opaque data type represents the private structure
|
|
* through which a wide directory stream is referenced.
|
|
*/
|
|
typedef union __wdirstream_t _WDIR;
|
|
|
|
_WDIR* __cdecl __MINGW_NOTHROW _wopendir (const wchar_t*);
|
|
struct _wdirent* __cdecl __MINGW_NOTHROW _wreaddir (_WDIR*);
|
|
int __cdecl __MINGW_NOTHROW _wclosedir (_WDIR*);
|
|
void __cdecl __MINGW_NOTHROW _wrewinddir (_WDIR*);
|
|
long __cdecl __MINGW_NOTHROW _wtelldir (_WDIR*);
|
|
void __cdecl __MINGW_NOTHROW _wseekdir (_WDIR*, long);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#if defined(_BSD_SOURCE) || defined(_WIN32)
|
|
/*
|
|
* BSD-ish systems define manifest constants for the d_type field;
|
|
* although probably only DT_REG and DT_DIR are useful on Win32, we
|
|
* try to map them as best we can from the _finddata.attrib field.
|
|
*
|
|
* The relevant Microsoft manifest values are:
|
|
*
|
|
* _A_NORMAL (0x0000) normal file: best fit for DT_REG
|
|
* _A_RDONLY (0x0001) read-only: no BSD d_type equivalent
|
|
* _A_HIDDEN (0x0002) hidden entity: no BSD equivalent
|
|
* _A_SYSTEM (0x0004) system entity: no BSD equivalent
|
|
* _A_VOLID (0x0008) volume label: no BSD equivalent
|
|
* _A_SUBDIR (0x0010) directory: best fit for DT_DIR
|
|
* _A_ARCH (0x0020) "dirty": no BSD equivalent
|
|
*
|
|
* Thus, we may immediately define:
|
|
*/
|
|
#define DT_REG _A_NORMAL
|
|
#define DT_DIR _A_SUBDIR
|
|
|
|
/* The remaining BSD d_type manifest values have no Win32 equivalents;
|
|
* we will define them artificially, and then we will ensure that our
|
|
* opendir()/readdir() implementation will never assign them; (we will
|
|
* substitute DT_UNKNOWN, but it would be unwise to simply make these
|
|
* equivalent to that, since an application is likely to simply check
|
|
* for d_type equal to any one of these defined types, and thus could
|
|
* mistakenly identify DT_UNKNOWN as being of the tested type):
|
|
*/
|
|
#define DT_BLK (((_A_SUBDIR) << 4) | DT_UNKNOWN)
|
|
#define DT_CHR (((_A_SUBDIR) << 5) | DT_UNKNOWN)
|
|
#define DT_FIFO (((_A_SUBDIR) << 6) | DT_UNKNOWN)
|
|
#define DT_LNK (((_A_SUBDIR) << 7) | DT_UNKNOWN)
|
|
#define DT_SOCK (((_A_SUBDIR) << 8) | DT_UNKNOWN)
|
|
|
|
/* No file system entity can ever be simultaneously a volume label
|
|
* and a directory; we will exploit this to unambiguously define:
|
|
*/
|
|
#define DT_UNKNOWN (_A_VOLID | _A_SUBDIR)
|
|
|
|
#endif /* _BSD_SOURCE */
|
|
#endif /* ! RC_INVOKED */
|
|
|
|
#endif /* !defined _DIRENT_H_ */
|