wine/include/file.h

/*
 * File handling declarations
 *
 * Copyright 1996 Alexandre Julliard
 */

#ifndef __WINE_FILE_H
#define __WINE_FILE_H

#include <time.h>
#include "windows.h"
#include "k32obj.h"

#define MAX_PATHNAME_LEN   1024

/* The file object */
typedef struct
{
    K32OBJ    header;
    int       unix_handle;
    int       mode;
    char     *unix_name;
    DWORD     type;         /* Type for win32 apps */
    DWORD     pos;	    /* workaround to emulate weird DOS error handling */
} FILE_OBJECT;

/* Definition of a full DOS file name */
typedef struct
{
    char  long_name[MAX_PATHNAME_LEN];  /* Long pathname in Unix format */
    char  short_name[MAX_PATHNAME_LEN]; /* Short pathname in DOS 8.3 format */
    int   drive;
} DOS_FULL_NAME;

#define IS_END_OF_NAME(ch)  (!(ch) || ((ch) == '/') || ((ch) == '\\'))

/* DOS device descriptor */
typedef struct
{
    char *name;
    int flags;
} DOS_DEVICE;

/* Macros to convert 16 bit to 32 bit file handles and back */
/* LZW handles are exempt as if not, could go below 0x400 */
#define HFILE16_TO_HFILE32(handle) \
(((handle)==0) ? GetStdHandle(STD_INPUT_HANDLE) : \
 ((handle)==1) ? GetStdHandle(STD_OUTPUT_HANDLE) : \
 ((handle)==2) ? GetStdHandle(STD_ERROR_HANDLE) : \
 ((handle)>=0x400) ? handle : \
 (handle)-5)

#define HFILE32_TO_HFILE16(handle) ({ HFILE32 hnd=handle; \
      ((hnd==HFILE_ERROR32) ? HFILE_ERROR16 : \
      ((hnd)>=0x400) ? hnd : \
       (HFILE16)hnd+5); })


/* files/file.c */
extern FILE_OBJECT *FILE_GetFile( HFILE32 handle );
extern void FILE_ReleaseFile( FILE_OBJECT *file );
extern HFILE32 FILE_Alloc( FILE_OBJECT **file );
extern void FILE_SetDosError(void);
extern HFILE32 FILE_DupUnixHandle( int fd );
extern BOOL32 FILE_Stat( LPCSTR unixName, BY_HANDLE_FILE_INFORMATION *info );
extern HFILE32 FILE_Dup( HFILE32 hFile );
extern HFILE32 FILE_Dup2( HFILE32 hFile1, HFILE32 hFile2 );
extern HFILE32 FILE_Open( LPCSTR path, INT32 mode );
extern HFILE32 FILE_OpenUnixFile( LPCSTR path, INT32 mode );
extern BOOL32 FILE_SetFileType( HFILE32 hFile, DWORD type );
extern LPVOID FILE_mmap( HFILE32 hFile, LPVOID start,
                         DWORD size_high, DWORD size_low,
                         DWORD offset_high, DWORD offset_low,
                         int prot, int flags );
extern LPVOID FILE_dommap( FILE_OBJECT *file, LPVOID start,
                           DWORD size_high, DWORD size_low,
                           DWORD offset_high, DWORD offset_low,
                         int prot, int flags );
extern int FILE_munmap( LPVOID start, DWORD size_high, DWORD size_low );
extern HFILE32 _lcreat_uniq( LPCSTR path, INT32 attr );

/* files/directory.c */
extern int DIR_Init(void);
extern UINT32 DIR_GetWindowsUnixDir( LPSTR path, UINT32 count );
extern UINT32 DIR_GetSystemUnixDir( LPSTR path, UINT32 count );
extern DWORD DIR_SearchPath( LPCSTR path, LPCSTR name, LPCSTR ext,
                             DOS_FULL_NAME *full_name, BOOL32 win32 );

/* files/dos_fs.c */
extern void DOSFS_UnixTimeToFileTime( time_t unixtime, LPFILETIME ft,
                                      DWORD remainder );
extern time_t DOSFS_FileTimeToUnixTime( const FILETIME *ft, DWORD *remainder );
extern BOOL32 DOSFS_ToDosFCBFormat( LPCSTR name, LPSTR buffer );
extern const DOS_DEVICE *DOSFS_GetDevice( const char *name );
extern HFILE32 DOSFS_OpenDevice( const char *name, INT32 mode );
extern BOOL32 DOSFS_FindUnixName( LPCSTR path, LPCSTR name, LPSTR long_buf,
                                  INT32 long_len, LPSTR short_buf,
                                  BOOL32 ignore_case );
extern BOOL32 DOSFS_GetFullName( LPCSTR name, BOOL32 check_last,
                                 DOS_FULL_NAME *full );
extern int DOSFS_FindNext( const char *path, const char *short_mask,
                           const char *long_mask, int drive, BYTE attr,
                           int skip, WIN32_FIND_DATA32A *entry );

#endif  /* __WINE_FILE_H */