file.h

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#ifndef RUBY_WIN32_FILE_H
#define RUBY_WIN32_FILE_H

#define MAX_REPARSE_PATH_LEN 4092

enum {
    MINIMUM_REPARSE_BUFFER_PATH_LEN = 4
};
/* License: Ruby's */
typedef struct {
    ULONG  ReparseTag;
    USHORT ReparseDataLength;
    USHORT Reserved;
    union {
        struct {
            USHORT SubstituteNameOffset;
            USHORT SubstituteNameLength;
            USHORT PrintNameOffset;
            USHORT PrintNameLength;
            ULONG  Flags;
            WCHAR  PathBuffer[4];
        } SymbolicLinkReparseBuffer;
        struct {
            USHORT SubstituteNameOffset;
            USHORT SubstituteNameLength;
            USHORT PrintNameOffset;
            USHORT PrintNameLength;
            WCHAR  PathBuffer[4];
        } MountPointReparseBuffer;
    };
} rb_w32_reparse_buffer_t;

#define rb_w32_reparse_buffer_size(n) \
    (sizeof(rb_w32_reparse_buffer_t) + \
     sizeof(WCHAR)*((n)-MINIMUM_REPARSE_BUFFER_PATH_LEN))

int rb_w32_read_reparse_point(const WCHAR *path, rb_w32_reparse_buffer_t *rp,
                              size_t bufsize, WCHAR **result, DWORD *len);

int lchown(const char *path, int owner, int group);
int rb_w32_ulchown(const char *path, int owner, int group);
int fchmod(int fd, int mode);
#define HAVE_FCHMOD 0

UINT rb_w32_filecp(void);
WCHAR *rb_w32_home_dir(void);

#endif  /* RUBY_WIN32_FILE_H */