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Comment:typo integrate latest version of dirent.h
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SHA1: 8e50ff0c303872249114df3fd71f4ac4f0256d48
User & Date: jan.nijtmans 2012-12-12 22:03:51
Original Comment: type integrate latest version of dirent.h
Context
2012-12-12
22:52
Do not enforce the requirement that filenames in manifests be strict UTF8 because some bug or another in a legacy version of Fossil allowed in some Latin-1 Suppliment characters encoded as a single byte (ex: 0xf3) instead of the correct two-byte encoding (ex: 0xc3 0xb3) and so if we start enforcing strict UTF8, some check-ins from those legacy versions of Fossil will be inaccessible. check-in: d48399bd user: drh tags: trunk
22:03
typo integrate latest version of dirent.h check-in: 8e50ff0c user: jan.nijtmans tags: trunk
2012-12-11
20:58
Improve consistency when referring to the 'build.wiki' page in several places. check-in: d5261ae5 user: mistachkin tags: trunk
Changes
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Changes to src/checkin.c.

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    for(i=0; i<nTag; i++) azTag[i] = mprintf("%F", azTag[i]);
    qsort((void*)azTag, nTag, sizeof(azTag[0]), tagCmp);
  }

  /* So that older versions of Fossil (that do not understand delta-
  ** manifest) can continue to use this repository, do not create a new
  ** delta-manifest unless this repository already contains one or more
  ** delta-manifets, or unless the delta-manifest is explicitly requested
  ** by the --delta option.
  */
  if( !forceDelta && !db_get_boolean("seen-delta-manifest",0) ){
    forceBaseline = 1;
  }

  /* Get the ID of the parent manifest artifact */







|







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    for(i=0; i<nTag; i++) azTag[i] = mprintf("%F", azTag[i]);
    qsort((void*)azTag, nTag, sizeof(azTag[0]), tagCmp);
  }

  /* So that older versions of Fossil (that do not understand delta-
  ** manifest) can continue to use this repository, do not create a new
  ** delta-manifest unless this repository already contains one or more
  ** delta-manifests, or unless the delta-manifest is explicitly requested
  ** by the --delta option.
  */
  if( !forceDelta && !db_get_boolean("seen-delta-manifest",0) ){
    forceBaseline = 1;
  }

  /* Get the ID of the parent manifest artifact */

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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL TONI RONKKO BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *





 *
 * Version 1.12.1, Oct 1 2012, Toni Ronkko
 * Bug fix: renamed wide-character DIR structure _wDIR to _WDIR (with
 * capital W) in order to maintain compatibility with MingW.
 *
 * Version 1.12, Sep 30 2012, Toni Ronkko
 * Define PATH_MAX and NAME_MAX.
 *
 * Added wide-character variants _wDIR, _wdirent, _wopendir(),
 * _wreaddir(), _wclosedir() and _wrewinddir().  Thanks to Edgar Buerkle
 * and Jan Nijtmans for ideas and code.
 *
 * Do not include windows.h.  This allows dirent.h to be integrated more
 * easily into programs using winsock.  Thanks to Fernando Azaldegui.
 *
 * Version 1.11, Mar 15, 2011, Toni Ronkko
 * Defined FILE_ATTRIBUTE_DEVICE for MSVC 6.0.
 *
................................................................................
 * May 28 1998, Toni Ronkko
 * First version.
 *****************************************************************************/
#ifndef DIRENT_H
#define DIRENT_H

#if !defined(_68K_) && !defined(_MPPC_) && !defined(_X86_) && !defined(_IA64_) && !defined(_AMD64_) && defined(_M_IX86)
#define _X86_
#endif
#include <stdio.h>
#include <stdarg.h>
#include <windef.h>
#include <winbase.h>
#include <wchar.h>
#include <winnls.h>
#include <string.h>
#include <stdlib.h>

#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>

/* Windows 8 wide-character string functions */
#if (_WIN32_WINNT >= 0x0602)
#   include <stringapiset.h>

#endif


/* Entries missing from MSVC 6.0 */
#if !defined(FILE_ATTRIBUTE_DEVICE)
# define FILE_ATTRIBUTE_DEVICE 0x40
#endif

/* File type and permission flags for stat() */
#if defined(_MSC_VER)  &&  !defined(S_IREAD)
#   define S_IFMT   _S_IFMT                     /* File type mask */


#   define S_IFDIR  _S_IFDIR                    /* Directory */


#   define S_IFCHR  _S_IFCHR                    /* Character device */


#   define S_IFFIFO _S_IFFIFO                   /* Pipe */


#   define S_IFREG  _S_IFREG                    /* Regular file */


#   define S_IREAD  _S_IREAD                    /* Read permission */


#   define S_IWRITE _S_IWRITE                   /* Write permission */


#   define S_IEXEC  _S_IEXEC                    /* Execute permission */
#endif




#define S_IFBLK   0                             /* Block device */


#define S_IFLNK   0                             /* Link */


#define S_IFSOCK  0                             /* Socket */


#if defined(_MSC_VER)
#   define S_IRUSR  S_IREAD                     /* Read user */
#   define S_IWUSR  S_IWRITE                    /* Write user */
#   define S_IXUSR  0                           /* Execute user */
#   define S_IRGRP  0                           /* Read group */
#   define S_IWGRP  0                           /* Write group */
#   define S_IXGRP  0                           /* Execute group */
#   define S_IROTH  0                           /* Read others */
#   define S_IWOTH  0                           /* Write others */
#   define S_IXOTH  0                           /* Execute others */
#endif

/* Indicates that d_type field is available in dirent structure */
#define _DIRENT_HAVE_D_TYPE









/* File type flags for d_type */
#define DT_UNKNOWN  0
#define DT_REG      S_IFREG
#define DT_DIR      S_IFDIR
#define DT_FIFO     S_IFFIFO
#define DT_SOCK     S_IFSOCK
#define DT_CHR      S_IFCHR
#define DT_BLK      S_IFBLK

/* Macros for converting between st_mode and d_type */
#define IFTODT(mode) ((mode) & S_IFMT)
#define DTTOIF(type) (type)
................................................................................

/*
 * File type macros.  Note that block devices, sockets and links cannot be
 * distinguished on Windows and the macros S_ISBLK, S_ISSOCK and S_ISLNK are
 * only defined for compatibility.  These macros should always return false
 * on Windows.
 */
#define	S_ISFIFO(mode) (((mode) & S_IFMT) == S_IFFIFO)
#define	S_ISDIR(mode)  (((mode) & S_IFMT) == S_IFDIR)
#define	S_ISREG(mode)  (((mode) & S_IFMT) == S_IFREG)
#define	S_ISLNK(mode)  (((mode) & S_IFMT) == S_IFLNK)
#define	S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK)
#define	S_ISCHR(mode)  (((mode) & S_IFMT) == S_IFCHR)
#define	S_ISBLK(mode)  (((mode) & S_IFMT) == S_IFBLK)

/* For compatiblity with Unix */
#if !defined(PATH_MAX)
#   define PATH_MAX MAX_PATH

#endif
#if !defined(FILENAME_MAX)
#   define FILENAME_MAX MAX_PATH
#endif
#if !defined(NAME_MAX)
#   define NAME_MAX FILENAME_MAX
#endif

/* Set errno variable */
#if defined(_MSC_VER)
#define DIRENT_SET_ERRNO(x) _set_errno (x)
#else
#define DIRENT_SET_ERRNO(x) (errno = (x))
#endif

#ifdef __cplusplus
extern "C" {
#endif


/* Wide-character versions */
struct _wdirent {
    long d_ino;                                 /* Always zero */
    unsigned short d_reclen;                    /* Structure size */
    size_t d_namlen;                            /* Length of name without \0 */
    int d_type;                                 /* File type */
    wchar_t d_name[PATH_MAX + 1];               /* File name */
};
typedef struct _wdirent _wdirent;

struct _WDIR {
    struct _wdirent ent;                        /* Current directory entry */
    WIN32_FIND_DATAW find_data;                 /* Private file data */
    int cached;                                 /* True if data is valid */
    HANDLE handle;                              /* Win32 search handle */
    wchar_t *patt;                              /* Initial directory name */
};
typedef struct _WDIR _WDIR;

static _WDIR *_wopendir (const wchar_t *dirname);
static struct _wdirent *_wreaddir (_WDIR *dirp);
static int _wclosedir (_WDIR *dirp);
static void _wrewinddir (_WDIR* dirp);


/* For compatibility with Symbian */
#define wdirent _wdirent
#define WDIR _WDIR
#define wopendir _wopendir
#define wreaddir _wreaddir
#define wclosedir _wclosedir
................................................................................

static DIR *opendir (const char *dirname);
static struct dirent *readdir (DIR *dirp);
static int closedir (DIR *dirp);
static void rewinddir (DIR* dirp);






















/*
 * Open directory stream DIRNAME for read and return a pointer to the
 * internal working area that is used to retrieve individual directory
 * entries.
 */
static _WDIR*
_wopendir(
    const wchar_t *dirname)
{
    _WDIR *dirp = NULL;
    int error = 0;







    /* Allocate new _WDIR structure */
    dirp = (_WDIR*) malloc (sizeof (struct _WDIR));
    if (dirp != NULL) {
        DWORD n;

        /* Reset _WDIR structure */
        dirp->handle = INVALID_HANDLE_VALUE;
        dirp->patt = NULL;


        /* Compute the length of full path plus zero terminator */
        n = GetFullPathNameW (dirname, 0, NULL, NULL);

        /* Allocate room for full path and search patterns */
        dirp->patt = (wchar_t*) malloc (sizeof (wchar_t) * n + 16);
        if (dirp->patt) {

            /*
             * Convert relative directory name to an absolute one.  This
             * allows rewinddir() to function correctly when the current
             * working directory is changed between opendir() and rewinddir().
             */
            n = GetFullPathNameW (dirname, n, dirp->patt, NULL);
            if (n > 0) {
                wchar_t *p;

                /* Append search pattern \* to the directory name */
................................................................................
                        *p++ = '\\';
                    }
                }
                *p++ = '*';
                *p = '\0';

                /* Open directory stream and retrieve the first entry */
                dirp->handle = FindFirstFileW (dirp->patt, &dirp->find_data);
                if (dirp->handle != INVALID_HANDLE_VALUE) {

                    /* Directory entry is now waiting in memory */
                    dirp->cached = 1;


                } else {
                    /* Search pattern is not a directory name? */
                    DIRENT_SET_ERRNO (ENOENT);

                    error = 1;

                }

            } else {
                /* Cannot convert directory name to wide character string */
                DIRENT_SET_ERRNO (ENOENT);
                error = 1;
            }

        } else {
            /* Cannot allocate memory for search pattern */
            error = 1;
        }
................................................................................
 * this function include regular files, sub-directories, pseudo-directories
 * "." and ".." as well as volume labels, hidden files and system files.
 */
static struct _wdirent*
_wreaddir(
    _WDIR *dirp)
{
    DWORD attr;
    errno_t error;

    /* Get next directory entry */
    if (dirp->cached != 0) {
        /* A valid directory entry already in memory */
        dirp->cached = 0;
    } else {
        /* Get the next directory entry from stream */
        if (dirp->handle == INVALID_HANDLE_VALUE) {
            return NULL;
        }
        if (FindNextFileW (dirp->handle, &dirp->find_data) == FALSE) {
            /* The very last entry has been processed or an error occured */
            FindClose (dirp->handle);
            dirp->handle = INVALID_HANDLE_VALUE;
            return NULL;
        }
    }

    /* Copy file name as a wide-character string */
    error = wcsncpy_s(
        dirp->ent.d_name,                       /* Destination string */
        PATH_MAX,                               /* Size of dest in words */
        dirp->find_data.cFileName,              /* Source string */
        PATH_MAX + 1);                          /* Max # of chars to copy */
    if (!error) {

        /* Compute the length of name */
        dirp->ent.d_namlen = wcsnlen (dirp->ent.d_name, PATH_MAX);

        /* Determine file type */
        attr = dirp->find_data.dwFileAttributes;
        if ((attr & FILE_ATTRIBUTE_DEVICE) != 0) {
            dirp->ent.d_type = DT_CHR;
        } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
            dirp->ent.d_type = DT_DIR;
        } else {
            dirp->ent.d_type = DT_REG;
        }

        /* Reset dummy fields */
        dirp->ent.d_ino = 0;
        dirp->ent.d_reclen = sizeof (dirp->ent);

    } else {

        /* 
         * Cannot copy file name from find_data to ent.  Construct a
         * dummy _wdirent structure to pass error to caller.
         */
        dirp->ent.d_name[0] = '?';
        dirp->ent.d_name[1] = '\0';
        dirp->ent.d_namlen = 1;
        dirp->ent.d_type = DT_UNKNOWN;
        dirp->ent.d_ino = 0;
        dirp->ent.d_reclen = 0;
    }


    return &dirp->ent;
}

/*
 * Close directory stream opened by opendir() function.  This invalidates the
 * DIR structure as well as any directory entry read previously by
 * _wreaddir().
 */
................................................................................

        /* Release directory structure */
        free (dirp);
        ok = /*success*/0;

    } else {
        /* Invalid directory stream */
        DIRENT_SET_ERRNO (EBADF);
        ok = /*failure*/-1;
    }
    return ok;
}

/*
 * Rewind directory stream such that _wreaddir() returns the very first
 * file name again.
 */
static void
_wrewinddir(
    _WDIR* dirp)
{
    if (dirp != NULL) {
        /* release search handle */
        if (dirp->handle != INVALID_HANDLE_VALUE) {
            FindClose (dirp->handle);
        }

        /* Open new search handle and retrieve the first directory entry */












        dirp->handle = FindFirstFileW (dirp->patt, &dirp->find_data);
        if (dirp->handle != INVALID_HANDLE_VALUE) {

            /* a directory entry is now waiting in memory */

            dirp->cached = 1;

        } else {

            /* Failed to re-open directory: no directory entry in memory */
            dirp->cached = 0;

        }
    }






































}

/* 
 * Open directory stream using plain old C-string.
 */
static DIR*
opendir(
    const char *dirname) 
{
    struct DIR *dirp;
    errno_t error = 0;

    /* Must have directory name */
    if (dirname == NULL) {
        DIRENT_SET_ERRNO (ENOENT);
        return NULL;
    }

    /* Allocate memory for multi-byte string directory structures */
    dirp = (DIR*) malloc (sizeof (struct DIR));
    if (dirp) {
        wchar_t wname[PATH_MAX + 1];
        size_t n;

        /* 
         * Convert directory name to wide-character string.
         *


         * Be ware of the return schemantics of MultiByteToWideChar() --
         * the function basically returns the number of characters written to
         * output buffer or zero if the conversion fails.  However, the
         * function does not necessarily zero-terminate the output
         * buffer and may return 0xFFFD if the string contains invalid
         * characters!
         */
        n = MultiByteToWideChar(
                CP_ACP,                         /* Input code page */
                MB_PRECOMPOSED,                 /* Conversion flags */
                dirname,                        /* Input string */
                -1,                             /* Length of input string */
                wname,                          /* Output buffer */
                PATH_MAX);                      /* Size of output buffer */
        if (n > 0  &&  n < PATH_MAX) {

            /* Zero-terminate output buffer */
            wname[n] = '\0';

            /* Open directory stream with wide-character string file name */
            dirp->wdirp = _wopendir (wname);
            if (dirp->wdirp) {

                /* Initialize directory structure */
                dirp->ent.d_name[0] = '\0';
                dirp->ent.d_namlen = 0;
                dirp->ent.d_type = 0;
                dirp->ent.d_ino = 0;
                dirp->ent.d_reclen = 0;



            } else {
                /* Failed to open directory stream */
                error = 1;
            }

        } else {
            /* 
................................................................................

    return dirp;
}

/*
 * Read next directory entry.
 *
 * When working with console, please note that file names returned by
 * readdir() are represented in the default ANSI code page while the
 * console typically runs on another code page.  Thus, non-ASCII characters
 * will not usually display correctly.  The problem can be fixed in two ways:
 * (1) change the character set of console to 1252 using chcp utility and use

 * Lucida Console font, or (2) always use _cprintf function when writing to
 * console.  The _cprinf() will re-encode ANSI strings to the console code
 * page so non-ASCII characters will display correcly.
 */
static struct dirent*
readdir(
    DIR *dirp) 
{
    struct dirent *p;
    struct _wdirent *wp;

    /* Read next directory entry using wide-character string functions */
    wp = _wreaddir (dirp->wdirp);
    if (wp) {
        size_t n;

        /* 
         * Convert file name to multi-byte string.
         *
         * Be ware of the return schemantics of WideCharToMultiByte() --
         * the function basically returns the number of bytes
         * written to output buffer or zero if the conversion fails.
         * However, the function does not necessarily zero-terminate the
         * buffer and it may even return 0xFFFD the string contains
         * invalid characters!
         */
        n = WideCharToMultiByte(
                CP_ACP,                         /* Output code page */
                0,                              /* Conversion flags */
                wp->d_name,                     /* Input string */
                wp->d_namlen,                   /* Length of input string */
                dirp->ent.d_name,               /* Output buffer */
                PATH_MAX,                       /* Size of output buffer */
                NULL,                           /* Replacement character */
                NULL);                          /* If chars were replaced */
        if (n > 0  &&  n < PATH_MAX) {

            /* Zero-terminate buffer */
            dirp->ent.d_name[n] = '\0';

            /* Initialize directory entry for return */
            p = &dirp->ent;

            /* Compute length */
            p->d_namlen = strnlen (dirp->ent.d_name, PATH_MAX);

            /* Copy file attributes */
            p->d_type = wp->d_type;

            /* Reset dummy fields */
            p->d_ino = 0;
            p->d_reclen = sizeof (dirp->ent);


        } else {







            /* 
             * Cannot convert file name to multi-byte string so construct
             * an errornous directory entry and return that.  Note that
             * we cannot return NULL as that would stop the processing
             * of directory entries completely.
             */
            p = &dirp->ent;
            p->d_name[0] = '?';
            p->d_name[1] = '\0';
            p->d_namlen = 1;
            p->d_type = DT_UNKNOWN;
            p->d_ino = 0;
            p->d_reclen = 0;

        }

    } else {
    
        /* End of directory stream */

        p = NULL;

    }

    return p;
}

/*
 * Close directory stream.
 */
static int
closedir(
................................................................................
        ok = _wclosedir (dirp->wdirp);
        dirp->wdirp = NULL;

        /* Release multi-byte character version */
        free (dirp);

    } else {

        /* Invalid directory stream */
        DIRENT_SET_ERRNO (EBADF);

        ok = /*failure*/-1;

    }
    return ok;
}

/*
 * Rewind directory stream to beginning.
 */
................................................................................
static void
rewinddir(
    DIR* dirp) 
{
    /* Rewind wide-character string directory stream */
    _wrewinddir (dirp->wdirp);
}
























































































































#ifdef __cplusplus
}
#endif
#endif /*DIRENT_H*/








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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL TONI RONKKO BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 *
 * Version 1.13, Dec 12 2012, Toni Ronkko
 * Use traditional 8+3 file name if the name cannot be represented in the
 * default ANSI code page.  Now compiles again with MSVC 6.0.  Thanks to
 * Konstantin Khomoutov for testing.
 *
 * Version 1.12.1, Oct 1 2012, Toni Ronkko
 * Bug fix: renamed wide-character DIR structure _wDIR to _WDIR (with
 * capital W) in order to maintain compatibility with MingW.
 *
 * Version 1.12, Sep 30 2012, Toni Ronkko
 * Define PATH_MAX and NAME_MAX.  Added wide-character variants _wDIR, 


 * _wdirent, _wopendir(), _wreaddir(), _wclosedir() and _wrewinddir().
 * Thanks to Edgar Buerkle and Jan Nijtmans for ideas and code.
 *
 * Do not include windows.h.  This allows dirent.h to be integrated more
 * easily into programs using winsock.  Thanks to Fernando Azaldegui.
 *
 * Version 1.11, Mar 15, 2011, Toni Ronkko
 * Defined FILE_ATTRIBUTE_DEVICE for MSVC 6.0.
 *
................................................................................
 * May 28 1998, Toni Ronkko
 * First version.
 *****************************************************************************/
#ifndef DIRENT_H
#define DIRENT_H

#if !defined(_68K_) && !defined(_MPPC_) && !defined(_X86_) && !defined(_IA64_) && !defined(_AMD64_) && defined(_M_IX86)
#   define _X86_
#endif
#include <stdio.h>
#include <stdarg.h>
#include <windef.h>
#include <winbase.h>
#include <wchar.h>

#include <string.h>
#include <stdlib.h>
#include <malloc.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>

/* Indicates that d_type field is available in dirent structure */
#define _DIRENT_HAVE_D_TYPE


/* Indicates that d_namlen field is available in dirent structure */
#define _DIRENT_HAVE_D_NAMLEN

/* Entries missing from MSVC 6.0 */
#if !defined(FILE_ATTRIBUTE_DEVICE)
#   define FILE_ATTRIBUTE_DEVICE 0x40
#endif

/* File type and permission flags for stat() */
#if !defined(S_IFMT)
#   define S_IFMT   _S_IFMT                     /* File type mask */
#endif
#if !defined(S_IFDIR)
#   define S_IFDIR  _S_IFDIR                    /* Directory */
#endif
#if !defined(S_IFCHR)
#   define S_IFCHR  _S_IFCHR                    /* Character device */
#endif
#if !defined(S_IFFIFO)
#   define S_IFFIFO _S_IFFIFO                   /* Pipe */
#endif
#if !defined(S_IFREG)
#   define S_IFREG  _S_IFREG                    /* Regular file */
#endif
#if !defined(S_IREAD)
#   define S_IREAD  _S_IREAD                    /* Read permission */
#endif
#if !defined(S_IWRITE)
#   define S_IWRITE _S_IWRITE                   /* Write permission */
#endif
#if !defined(S_IEXEC)
#   define S_IEXEC  _S_IEXEC                    /* Execute permission */
#endif
#if !defined(S_IFIFO)
#   define S_IFIFO _S_IFIFO                     /* Pipe */
#endif
#if !defined(S_IFBLK)
#   define S_IFBLK   0                          /* Block device */
#endif
#if !defined(S_IFLNK)
#   define S_IFLNK   0                          /* Link */
#endif
#if !defined(S_IFSOCK)
#   define S_IFSOCK  0                          /* Socket */
#endif

#if defined(_MSC_VER)
#   define S_IRUSR  S_IREAD                     /* Read user */
#   define S_IWUSR  S_IWRITE                    /* Write user */
#   define S_IXUSR  0                           /* Execute user */
#   define S_IRGRP  0                           /* Read group */
#   define S_IWGRP  0                           /* Write group */
#   define S_IXGRP  0                           /* Execute group */
#   define S_IROTH  0                           /* Read others */
#   define S_IWOTH  0                           /* Write others */
#   define S_IXOTH  0                           /* Execute others */
#endif

/* Maximum length of file name */
#if !defined(PATH_MAX)
#   define PATH_MAX MAX_PATH
#endif
#if !defined(FILENAME_MAX)
#   define FILENAME_MAX MAX_PATH
#endif
#if !defined(NAME_MAX)
#   define NAME_MAX FILENAME_MAX
#endif

/* File type flags for d_type */
#define DT_UNKNOWN  0
#define DT_REG      S_IFREG
#define DT_DIR      S_IFDIR
#define DT_FIFO     S_IFIFO
#define DT_SOCK     S_IFSOCK
#define DT_CHR      S_IFCHR
#define DT_BLK      S_IFBLK

/* Macros for converting between st_mode and d_type */
#define IFTODT(mode) ((mode) & S_IFMT)
#define DTTOIF(type) (type)
................................................................................

/*
 * File type macros.  Note that block devices, sockets and links cannot be
 * distinguished on Windows and the macros S_ISBLK, S_ISSOCK and S_ISLNK are
 * only defined for compatibility.  These macros should always return false
 * on Windows.
 */
#define	S_ISFIFO(mode) (((mode) & S_IFMT) == S_IFIFO)
#define	S_ISDIR(mode)  (((mode) & S_IFMT) == S_IFDIR)
#define	S_ISREG(mode)  (((mode) & S_IFMT) == S_IFREG)
#define	S_ISLNK(mode)  (((mode) & S_IFMT) == S_IFLNK)
#define	S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK)
#define	S_ISCHR(mode)  (((mode) & S_IFMT) == S_IFCHR)
#define	S_ISBLK(mode)  (((mode) & S_IFMT) == S_IFBLK)

/* Return the exact length of d_namlen without zero terminator */
#define _D_EXACT_NAMLEN(p) ((p)->d_namlen)


/* Return number of bytes needed to store d_namlen */
#define _D_ALLOC_NAMLEN(p) (PATH_MAX + 1)













#ifdef __cplusplus
extern "C" {
#endif


/* Wide-character version */
struct _wdirent {
    long d_ino;                                 /* Always zero */
    unsigned short d_reclen;                    /* Structure size */
    size_t d_namlen;                            /* Length of name without \0 */
    int d_type;                                 /* File type */
    wchar_t d_name[PATH_MAX + 1];               /* File name */
};
typedef struct _wdirent _wdirent;

struct _WDIR {
    struct _wdirent ent;                        /* Current directory entry */
    WIN32_FIND_DATAW data;                      /* Private file data */
    int cached;                                 /* True if data is valid */
    HANDLE handle;                              /* Win32 search handle */
    wchar_t *patt;                              /* Initial directory name */
};
typedef struct _WDIR _WDIR;

static _WDIR *_wopendir (const wchar_t *dirname);
static struct _wdirent *_wreaddir (_WDIR *dirp);
static int _wclosedir (_WDIR *dirp);
static void _wrewinddir (_WDIR* dirp);


/* For compatibility with Symbian */
#define wdirent _wdirent
#define WDIR _WDIR
#define wopendir _wopendir
#define wreaddir _wreaddir
#define wclosedir _wclosedir
................................................................................

static DIR *opendir (const char *dirname);
static struct dirent *readdir (DIR *dirp);
static int closedir (DIR *dirp);
static void rewinddir (DIR* dirp);


/* Internal utility functions */
static WIN32_FIND_DATAW *dirent_first (_WDIR *dirp);
static WIN32_FIND_DATAW *dirent_next (_WDIR *dirp);

static int dirent_mbstowcs_s(
    size_t *pReturnValue,
    wchar_t *wcstr,
    size_t sizeInWords,
    const char *mbstr,
    size_t count);

static int dirent_wcstombs_s(
    size_t *pReturnValue,
    char *mbstr,
    size_t sizeInBytes,
    const wchar_t *wcstr,
    size_t count);

static void dirent_set_errno (int error);

/*
 * Open directory stream DIRNAME for read and return a pointer to the
 * internal working area that is used to retrieve individual directory
 * entries.
 */
static _WDIR*
_wopendir(
    const wchar_t *dirname)
{
    _WDIR *dirp = NULL;
    int error;

    /* Must have directory name */
    if (dirname == NULL  ||  dirname[0] == '\0') {
        dirent_set_errno (ENOENT);
        return NULL;
    }

    /* Allocate new _WDIR structure */
    dirp = (_WDIR*) malloc (sizeof (struct _WDIR));
    if (dirp != NULL) {
        DWORD n;

        /* Reset _WDIR structure */
        dirp->handle = INVALID_HANDLE_VALUE;
        dirp->patt = NULL;
        dirp->cached = 0;

        /* Compute the length of full path plus zero terminator */
        n = GetFullPathNameW (dirname, 0, NULL, NULL);

        /* Allocate room for absolute directory name and search pattern */
        dirp->patt = (wchar_t*) malloc (sizeof (wchar_t) * n + 16);
        if (dirp->patt) {

            /*
             * Convert relative directory name to an absolute one.  This
             * allows rewinddir() to function correctly even when current
             * working directory is changed between opendir() and rewinddir().
             */
            n = GetFullPathNameW (dirname, n, dirp->patt, NULL);
            if (n > 0) {
                wchar_t *p;

                /* Append search pattern \* to the directory name */
................................................................................
                        *p++ = '\\';
                    }
                }
                *p++ = '*';
                *p = '\0';

                /* Open directory stream and retrieve the first entry */
                if (dirent_first (dirp)) {
                    /* Directory stream opened successfully */




                    error = 0;
                } else {


                    /* Cannot retrieve first entry */
                    error = 1;
                    dirent_set_errno (ENOENT);
                }

            } else {
                /* Cannot retrieve full path name */
                dirent_set_errno (ENOENT);
                error = 1;
            }

        } else {
            /* Cannot allocate memory for search pattern */
            error = 1;
        }
................................................................................
 * this function include regular files, sub-directories, pseudo-directories
 * "." and ".." as well as volume labels, hidden files and system files.
 */
static struct _wdirent*
_wreaddir(
    _WDIR *dirp)
{
    WIN32_FIND_DATAW *datap;
    struct _wdirent *entp;

    /* Read next directory entry */
    datap = dirent_next (dirp);
    if (datap) {
        size_t n;
        DWORD attr;
        
        /* Pointer to directory entry to return */
        entp = &dirp->ent;

        /* 
         * Copy file name as wide-character string.  If the file name is too
         * long to fit in to the destination buffer, then truncate file name
         * to PATH_MAX characters and zero-terminate the buffer.
         */
        n = 0;
        while (n < PATH_MAX  &&  datap->cFileName[n] != 0) {
            entp->d_name[n] = datap->cFileName[n];
            n++;
        }
        dirp->ent.d_name[n] = 0;

        /* Length of file name excluding zero terminator */
        entp->d_namlen = n;

        /* File type */
        attr = datap->dwFileAttributes;
        if ((attr & FILE_ATTRIBUTE_DEVICE) != 0) {
            entp->d_type = DT_CHR;
        } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
            entp->d_type = DT_DIR;
        } else {
            entp->d_type = DT_REG;




        }

        /* Reset dummy fields */
        entp->d_ino = 0;
        entp->d_reclen = sizeof (struct _wdirent);

    } else {

        /* Last directory entry read */
        entp = NULL;









    }

    return entp;
}

/*
 * Close directory stream opened by opendir() function.  This invalidates the
 * DIR structure as well as any directory entry read previously by
 * _wreaddir().
 */
................................................................................

        /* Release directory structure */
        free (dirp);
        ok = /*success*/0;

    } else {
        /* Invalid directory stream */
        dirent_set_errno (EBADF);
        ok = /*failure*/-1;
    }
    return ok;
}

/*
 * Rewind directory stream such that _wreaddir() returns the very first
 * file name again.
 */
static void
_wrewinddir(
    _WDIR* dirp)
{
    if (dirp) {
        /* Release existing search handle */
        if (dirp->handle != INVALID_HANDLE_VALUE) {
            FindClose (dirp->handle);
        }

        /* Open new search handle */
        dirent_first (dirp);
    }
}

/* Get first directory entry (internal) */
static WIN32_FIND_DATAW*
dirent_first(
    _WDIR *dirp)
{
    WIN32_FIND_DATAW *datap;

    /* Open directory and retrieve the first entry */
    dirp->handle = FindFirstFileW (dirp->patt, &dirp->data);
    if (dirp->handle != INVALID_HANDLE_VALUE) {

        /* a directory entry is now waiting in memory */
        datap = &dirp->data;
        dirp->cached = 1;

    } else {

        /* Failed to re-open directory: no directory entry in memory */
        dirp->cached = 0;
        datap = NULL;

    }
    return datap;
}

/* Get next directory entry (internal) */
static WIN32_FIND_DATAW*
dirent_next(
    _WDIR *dirp)
{
    WIN32_FIND_DATAW *p;

    /* Get next directory entry */
    if (dirp->cached != 0) {

        /* A valid directory entry already in memory */
        p = &dirp->data;
        dirp->cached = 0;

    } else if (dirp->handle != INVALID_HANDLE_VALUE) {

        /* Get the next directory entry from stream */
        if (FindNextFileW (dirp->handle, &dirp->data) != FALSE) {
            /* Got a file */
            p = &dirp->data;
        } else {
            /* The very last entry has been processed or an error occured */
            FindClose (dirp->handle);
            dirp->handle = INVALID_HANDLE_VALUE;
            p = NULL;
        }

    } else {

        /* End of directory stream reached */
        p = NULL;

    }

    return p;
}

/* 
 * Open directory stream using plain old C-string.
 */
static DIR*
opendir(
    const char *dirname) 
{
    struct DIR *dirp;
    int error;

    /* Must have directory name */
    if (dirname == NULL  ||  dirname[0] == '\0') {
        dirent_set_errno (ENOENT);
        return NULL;
    }

    /* Allocate memory for DIR structure */
    dirp = (DIR*) malloc (sizeof (struct DIR));
    if (dirp) {
        wchar_t wname[PATH_MAX + 1];
        size_t n;


        /* Convert directory name to wide-character string */

        error = dirent_mbstowcs_s(
            &n, wname, PATH_MAX + 1, dirname, PATH_MAX);
        if (!error) {


















            /* Open directory stream using wide-character name */
            dirp->wdirp = _wopendir (wname);
            if (dirp->wdirp) {

                /* Directory stream opened */







                error = 0;
            } else {
                /* Failed to open directory stream */
                error = 1;
            }

        } else {
            /* 
................................................................................

    return dirp;
}

/*
 * Read next directory entry.
 *
 * When working with text consoles, please note that file names returned by
 * readdir() are represented in the default ANSI code page while any output to
 * console is typically formatted on another code page.  Thus, non-ASCII
 * characters in file names will not usually display correctly on console.  The
 * problem can be fixed in two ways: (1) change the character set of console
 * to 1252 using chcp utility and use Lucida Console font, or (2) use
 * _cprintf function when writing to console.  The _cprinf() will re-encode
 * ANSI strings to the console code page so many non-ASCII characters will
 * display correcly.
 */
static struct dirent*
readdir(
    DIR *dirp) 
{
    WIN32_FIND_DATAW *datap;
    struct dirent *entp;

    /* Read next directory entry */
    datap = dirent_next (dirp->wdirp);
    if (datap) {
        size_t n;
        int error;

        /* Attempt to convert file name to multi-byte string */
        error = dirent_wcstombs_s(
            &n, dirp->ent.d_name, MAX_PATH + 1, datap->cFileName, MAX_PATH);

        /* 
         * If the file name cannot be represented by a multi-byte string,
         * then attempt to use old 8+3 file name.  This allows traditional
         * Unix-code to access some file names despite of unicode
         * characters, although file names may seem unfamiliar to the user.
         *
         * Be ware that the code below cannot come up with a short file
         * name unless the file system provides one.  At least
         * VirtualBox shared folders fail to do this.
         */
        if (error  &&  datap->cAlternateFileName[0] != '\0') {
            error = dirent_wcstombs_s(
                &n, dirp->ent.d_name, MAX_PATH + 1, datap->cAlternateFileName,
                sizeof (datap->cAlternateFileName) / 
                    sizeof (datap->cAlternateFileName[0]));
        }

        if (!error) {
            DWORD attr;

            /* Initialize directory entry for return */
            entp = &dirp->ent;

            /* Length of file name excluding zero terminator */
            entp->d_namlen = n - 1;

            /* File attributes */
            attr = datap->dwFileAttributes;
            if ((attr & FILE_ATTRIBUTE_DEVICE) != 0) {
                entp->d_type = DT_CHR;
            } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
                entp->d_type = DT_DIR;
            } else {
                entp->d_type = DT_REG;
            }

            /* Reset dummy fields */
            entp->d_ino = 0;
            entp->d_reclen = sizeof (struct dirent);

        } else {
            /* 
             * Cannot convert file name to multi-byte string so construct
             * an errornous directory entry and return that.  Note that
             * we cannot return NULL as that would stop the processing
             * of directory entries completely.
             */
            entp = &dirp->ent;
            entp->d_name[0] = '?';
            entp->d_name[1] = '\0';
            entp->d_namlen = 1;
            entp->d_type = DT_UNKNOWN;
            entp->d_ino = 0;
            entp->d_reclen = 0;

        }

    } else {


        /* No more directory entries */
        entp = NULL;
    }


    return entp;
}

/*
 * Close directory stream.
 */
static int
closedir(
................................................................................
        ok = _wclosedir (dirp->wdirp);
        dirp->wdirp = NULL;

        /* Release multi-byte character version */
        free (dirp);

    } else {

        /* Invalid directory stream */

        dirent_set_errno (EBADF);
        ok = /*failure*/-1;

    }
    return ok;
}

/*
 * Rewind directory stream to beginning.
 */
................................................................................
static void
rewinddir(
    DIR* dirp) 
{
    /* Rewind wide-character string directory stream */
    _wrewinddir (dirp->wdirp);
}

/* Convert multi-byte string to wide character string */
static int
dirent_mbstowcs_s(
    size_t *pReturnValue,
    wchar_t *wcstr,
    size_t sizeInWords,
    const char *mbstr,
    size_t count)
{
    int error;

#if defined(_MSC_VER)  &&  _MSC_VER >= 1400

    /* Microsoft Visual Studio 2005 or later */
    error = mbstowcs_s (pReturnValue, wcstr, sizeInWords, mbstr, count);

#else

    /* Older Visual Studio or non-Microsoft compiler */
    size_t n;

    /* Convert to wide-character string */
    n = mbstowcs (wcstr, mbstr, count);
    if (n < sizeInWords) {

        /* Zero-terminate output buffer */
        if (wcstr) {
            wcstr[n] = 0;
        }

        /* Length of resuting multi-byte string WITH zero terminator */
        if (pReturnValue) {
            *pReturnValue = n + 1;
        }

        /* Success */
        error = 0;

    } else {

        /* Could not convert string */
        error = 1;

    }

#endif

    return error;
}

/* Convert wide-character string to multi-byte string */
static int
dirent_wcstombs_s(
    size_t *pReturnValue,
    char *mbstr,
    size_t sizeInBytes,
    const wchar_t *wcstr,
    size_t count)
{
    int error;

#if defined(_MSC_VER)  &&  _MSC_VER >= 1400

    /* Microsoft Visual Studio 2005 or later */
    error = wcstombs_s (pReturnValue, mbstr, sizeInBytes, wcstr, count);

#else

    /* Older Visual Studio or non-Microsoft compiler */
    size_t n;

    /* Convert to multi-byte string */
    n = wcstombs (mbstr, wcstr, count);
    if (n < sizeInBytes) {

        /* Zero-terminate output buffer */
        if (mbstr) {
            mbstr[n] = '\0';
        }

        /* Lenght of resulting multi-bytes string WITH zero-terminator */
        if (pReturnValue) {
            *pReturnValue = n + 1;
        }

        /* Success */
        error = 0;

    } else {

        /* Cannot convert string */
        error = 1;

    }

#endif

    return error;
}

/* Set errno variable */
static void
dirent_set_errno(
    int error)
{
#if defined(_MSC_VER)

    /* Microsoft Visual Studio */
    _set_errno (error);

#else

    /* Non-Microsoft compiler */
    errno = error;

#endif
}


#ifdef __cplusplus
}
#endif
#endif /*DIRENT_H*/