|
|
@ -1,929 +0,0 @@ |
|
|
|
/* |
|
|
|
* Dirent interface for Microsoft Visual Studio |
|
|
|
* Version 1.21 |
|
|
|
* |
|
|
|
* Copyright (C) 2006-2012 Toni Ronkko |
|
|
|
* This file is part of dirent. Dirent may be freely distributed |
|
|
|
* under the MIT license. For all details and documentation, see |
|
|
|
* https://github.com/tronkko/dirent |
|
|
|
*/ |
|
|
|
#ifndef DIRENT_H |
|
|
|
#define DIRENT_H |
|
|
|
|
|
|
|
/* |
|
|
|
* Include windows.h without Windows Sockets 1.1 to prevent conflicts with |
|
|
|
* Windows Sockets 2.0. |
|
|
|
*/ |
|
|
|
#ifndef WIN32_LEAN_AND_MEAN |
|
|
|
# define WIN32_LEAN_AND_MEAN |
|
|
|
#endif |
|
|
|
#include <windows.h> |
|
|
|
|
|
|
|
#include <stdio.h> |
|
|
|
#include <stdarg.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(), general mask */ |
|
|
|
#if !defined(S_IFMT) |
|
|
|
# define S_IFMT _S_IFMT |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Directory bit */ |
|
|
|
#if !defined(S_IFDIR) |
|
|
|
# define S_IFDIR _S_IFDIR |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Character device bit */ |
|
|
|
#if !defined(S_IFCHR) |
|
|
|
# define S_IFCHR _S_IFCHR |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Pipe bit */ |
|
|
|
#if !defined(S_IFFIFO) |
|
|
|
# define S_IFFIFO _S_IFFIFO |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Regular file bit */ |
|
|
|
#if !defined(S_IFREG) |
|
|
|
# define S_IFREG _S_IFREG |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Read permission */ |
|
|
|
#if !defined(S_IREAD) |
|
|
|
# define S_IREAD _S_IREAD |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Write permission */ |
|
|
|
#if !defined(S_IWRITE) |
|
|
|
# define S_IWRITE _S_IWRITE |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Execute permission */ |
|
|
|
#if !defined(S_IEXEC) |
|
|
|
# define S_IEXEC _S_IEXEC |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Pipe */ |
|
|
|
#if !defined(S_IFIFO) |
|
|
|
# define S_IFIFO _S_IFIFO |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Block device */ |
|
|
|
#if !defined(S_IFBLK) |
|
|
|
# define S_IFBLK 0 |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Link */ |
|
|
|
#if !defined(S_IFLNK) |
|
|
|
# define S_IFLNK 0 |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Socket */ |
|
|
|
#if !defined(S_IFSOCK) |
|
|
|
# define S_IFSOCK 0 |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Read user permission */ |
|
|
|
#if !defined(S_IRUSR) |
|
|
|
# define S_IRUSR S_IREAD |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Write user permission */ |
|
|
|
#if !defined(S_IWUSR) |
|
|
|
# define S_IWUSR S_IWRITE |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Execute user permission */ |
|
|
|
#if !defined(S_IXUSR) |
|
|
|
# define S_IXUSR 0 |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Read group permission */ |
|
|
|
#if !defined(S_IRGRP) |
|
|
|
# define S_IRGRP 0 |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Write group permission */ |
|
|
|
#if !defined(S_IWGRP) |
|
|
|
# define S_IWGRP 0 |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Execute group permission */ |
|
|
|
#if !defined(S_IXGRP) |
|
|
|
# define S_IXGRP 0 |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Read others permission */ |
|
|
|
#if !defined(S_IROTH) |
|
|
|
# define S_IROTH 0 |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Write others permission */ |
|
|
|
#if !defined(S_IWOTH) |
|
|
|
# define S_IWOTH 0 |
|
|
|
#endif |
|
|
|
|
|
|
|
/* Execute others permission */ |
|
|
|
#if !defined(S_IXOTH) |
|
|
|
# define S_IXOTH 0 |
|
|
|
#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 |
|
|
|
#define DT_LNK S_IFLNK |
|
|
|
|
|
|
|
/* 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. |
|
|
|
*/ |
|
|
|
#if !defined(S_ISFIFO) |
|
|
|
# define S_ISFIFO(mode) (((mode) & S_IFMT) == S_IFIFO) |
|
|
|
#endif |
|
|
|
#if !defined(S_ISDIR) |
|
|
|
# define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR) |
|
|
|
#endif |
|
|
|
#if !defined(S_ISREG) |
|
|
|
# define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG) |
|
|
|
#endif |
|
|
|
#if !defined(S_ISLNK) |
|
|
|
# define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK) |
|
|
|
#endif |
|
|
|
#if !defined(S_ISSOCK) |
|
|
|
# define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK) |
|
|
|
#endif |
|
|
|
#if !defined(S_ISCHR) |
|
|
|
# define S_ISCHR(mode) (((mode) & S_IFMT) == S_IFCHR) |
|
|
|
#endif |
|
|
|
#if !defined(S_ISBLK) |
|
|
|
# define S_ISBLK(mode) (((mode) & S_IFMT) == S_IFBLK) |
|
|
|
#endif |
|
|
|
|
|
|
|
/* 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) |
|
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus |
|
|
|
extern "C" { |
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
|
|
/* Wide-character version */ |
|
|
|
struct _wdirent { |
|
|
|
/* Always zero */ |
|
|
|
long d_ino; |
|
|
|
|
|
|
|
/* Structure size */ |
|
|
|
unsigned short d_reclen; |
|
|
|
|
|
|
|
/* Length of name without \0 */ |
|
|
|
size_t d_namlen; |
|
|
|
|
|
|
|
/* File type */ |
|
|
|
int d_type; |
|
|
|
|
|
|
|
/* File name */ |
|
|
|
wchar_t d_name[PATH_MAX]; |
|
|
|
}; |
|
|
|
typedef struct _wdirent _wdirent; |
|
|
|
|
|
|
|
struct _WDIR { |
|
|
|
/* Current directory entry */ |
|
|
|
struct _wdirent ent; |
|
|
|
|
|
|
|
/* Private file data */ |
|
|
|
WIN32_FIND_DATAW data; |
|
|
|
|
|
|
|
/* True if data is valid */ |
|
|
|
int cached; |
|
|
|
|
|
|
|
/* Win32 search handle */ |
|
|
|
HANDLE handle; |
|
|
|
|
|
|
|
/* Initial directory name */ |
|
|
|
wchar_t *patt; |
|
|
|
}; |
|
|
|
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 |
|
|
|
#define wrewinddir _wrewinddir |
|
|
|
|
|
|
|
|
|
|
|
/* Multi-byte character versions */ |
|
|
|
struct dirent { |
|
|
|
/* Always zero */ |
|
|
|
long d_ino; |
|
|
|
|
|
|
|
/* Structure size */ |
|
|
|
unsigned short d_reclen; |
|
|
|
|
|
|
|
/* Length of name without \0 */ |
|
|
|
size_t d_namlen; |
|
|
|
|
|
|
|
/* File type */ |
|
|
|
int d_type; |
|
|
|
|
|
|
|
/* File name */ |
|
|
|
char d_name[PATH_MAX]; |
|
|
|
}; |
|
|
|
typedef struct dirent dirent; |
|
|
|
|
|
|
|
struct DIR { |
|
|
|
struct dirent ent; |
|
|
|
struct _WDIR *wdirp; |
|
|
|
}; |
|
|
|
typedef struct DIR DIR; |
|
|
|
|
|
|
|
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 |
|
|
|
* |
|
|
|
* Note that on WinRT there's no way to convert relative paths |
|
|
|
* into absolute paths, so just assume its an absolute path. |
|
|
|
*/ |
|
|
|
# if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP) |
|
|
|
n = wcslen(dirname); |
|
|
|
# else |
|
|
|
n = GetFullPathNameW (dirname, 0, NULL, NULL); |
|
|
|
# endif |
|
|
|
|
|
|
|
/* 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(). |
|
|
|
* |
|
|
|
* Note that on WinRT there's no way to convert relative paths |
|
|
|
* into absolute paths, so just assume its an absolute path. |
|
|
|
*/ |
|
|
|
# if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP) |
|
|
|
wcsncpy_s(dirp->patt, n+1, dirname, n); |
|
|
|
# else |
|
|
|
n = GetFullPathNameW (dirname, n, dirp->patt, NULL); |
|
|
|
# endif |
|
|
|
if (n > 0) { |
|
|
|
wchar_t *p; |
|
|
|
|
|
|
|
/* Append search pattern \* to the directory name */ |
|
|
|
p = dirp->patt + n; |
|
|
|
if (dirp->patt < p) { |
|
|
|
switch (p[-1]) { |
|
|
|
case '\\': |
|
|
|
case '/': |
|
|
|
case ':': |
|
|
|
/* Directory ends in path separator, e.g. c:\temp\ */ |
|
|
|
/*NOP*/; |
|
|
|
break; |
|
|
|
|
|
|
|
default: |
|
|
|
/* Directory name doesn't end in path separator */ |
|
|
|
*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; |
|
|
|
} |
|
|
|
|
|
|
|
} else { |
|
|
|
/* Cannot allocate _WDIR structure */ |
|
|
|
error = 1; |
|
|
|
} |
|
|
|
|
|
|
|
/* Clean up in case of error */ |
|
|
|
if (error && dirp) { |
|
|
|
_wclosedir (dirp); |
|
|
|
dirp = NULL; |
|
|
|
} |
|
|
|
|
|
|
|
return dirp; |
|
|
|
} |
|
|
|
|
|
|
|
/* |
|
|
|
* Read next directory entry. The directory entry is returned in dirent |
|
|
|
* structure in the d_name field. Individual directory entries returned by |
|
|
|
* 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 + 1 < 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(). |
|
|
|
*/ |
|
|
|
static int |
|
|
|
_wclosedir( |
|
|
|
_WDIR *dirp) |
|
|
|
{ |
|
|
|
int ok; |
|
|
|
if (dirp) { |
|
|
|
|
|
|
|
/* Release search handle */ |
|
|
|
if (dirp->handle != INVALID_HANDLE_VALUE) { |
|
|
|
FindClose (dirp->handle); |
|
|
|
dirp->handle = INVALID_HANDLE_VALUE; |
|
|
|
} |
|
|
|
|
|
|
|
/* Release search pattern */ |
|
|
|
if (dirp->patt) { |
|
|
|
free (dirp->patt); |
|
|
|
dirp->patt = NULL; |
|
|
|
} |
|
|
|
|
|
|
|
/* 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 = FindFirstFileExW( |
|
|
|
dirp->patt, FindExInfoStandard, &dirp->data, |
|
|
|
FindExSearchNameMatch, NULL, 0); |
|
|
|
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]; |
|
|
|
size_t n; |
|
|
|
|
|
|
|
/* Convert directory name to wide-character string */ |
|
|
|
error = dirent_mbstowcs_s (&n, wname, PATH_MAX, 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 { |
|
|
|
/* |
|
|
|
* Cannot convert file name to wide-character string. This |
|
|
|
* occurs if the string contains invalid multi-byte sequences or |
|
|
|
* the output buffer is too small to contain the resulting |
|
|
|
* string. |
|
|
|
*/ |
|
|
|
error = 1; |
|
|
|
} |
|
|
|
|
|
|
|
} else { |
|
|
|
/* Cannot allocate DIR structure */ |
|
|
|
error = 1; |
|
|
|
} |
|
|
|
|
|
|
|
/* Clean up in case of error */ |
|
|
|
if (error && dirp) { |
|
|
|
free (dirp); |
|
|
|
dirp = NULL; |
|
|
|
} |
|
|
|
|
|
|
|
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, PATH_MAX, datap->cFileName, PATH_MAX); |
|
|
|
|
|
|
|
/* |
|
|
|
* 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, PATH_MAX, |
|
|
|
datap->cAlternateFileName, PATH_MAX); |
|
|
|
} |
|
|
|
|
|
|
|
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( |
|
|
|
DIR *dirp) |
|
|
|
{ |
|
|
|
int ok; |
|
|
|
if (dirp) { |
|
|
|
|
|
|
|
/* Close wide-character directory stream */ |
|
|
|
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 (or count characters) */ |
|
|
|
n = mbstowcs (wcstr, mbstr, sizeInWords); |
|
|
|
if (!wcstr || n < count) { |
|
|
|
|
|
|
|
/* Zero-terminate output buffer */ |
|
|
|
if (wcstr && sizeInWords) { |
|
|
|
if (n >= sizeInWords) { |
|
|
|
n = sizeInWords - 1; |
|
|
|
} |
|
|
|
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, /* max size of mbstr */ |
|
|
|
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 (or count the number of bytes needed) */ |
|
|
|
n = wcstombs (mbstr, wcstr, sizeInBytes); |
|
|
|
if (!mbstr || n < count) { |
|
|
|
|
|
|
|
/* Zero-terminate output buffer */ |
|
|
|
if (mbstr && sizeInBytes) { |
|
|
|
if (n >= sizeInBytes) { |
|
|
|
n = sizeInBytes - 1; |
|
|
|
} |
|
|
|
mbstr[n] = '\0'; |
|
|
|
} |
|
|
|
|
|
|
|
/* Length 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) && _MSC_VER >= 1400 |
|
|
|
|
|
|
|
/* Microsoft Visual Studio 2005 and later */ |
|
|
|
_set_errno (error); |
|
|
|
|
|
|
|
#else |
|
|
|
|
|
|
|
/* Non-Microsoft compiler or older Microsoft compiler */ |
|
|
|
errno = error; |
|
|
|
|
|
|
|
#endif |
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus |
|
|
|
} |
|
|
|
#endif |
|
|
|
#endif /*DIRENT_H*/ |
|
|
|
|