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+/*
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+ * Dirent interface for Microsoft Visual Studio
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+ * Version 1.21
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+ *
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+ * Copyright (C) 2006-2012 Toni Ronkko
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+ * This file is part of dirent. Dirent may be freely distributed
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+ * under the MIT license. For all details and documentation, see
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+ * https://github.com/tronkko/dirent
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+ */
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+#ifndef DIRENT_H
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+#define DIRENT_H
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+
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+/*
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+ * Include windows.h without Windows Sockets 1.1 to prevent conflicts with
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+ * Windows Sockets 2.0.
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+ */
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+#ifndef WIN32_LEAN_AND_MEAN
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+# define WIN32_LEAN_AND_MEAN
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+#endif
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+#include <windows.h>
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+
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+#include <stdio.h>
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+#include <stdarg.h>
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+#include <wchar.h>
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+#include <string.h>
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+#include <stdlib.h>
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+#include <malloc.h>
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+#include <sys/types.h>
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+#include <sys/stat.h>
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+#include <errno.h>
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+
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+/* Indicates that d_type field is available in dirent structure */
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+#define _DIRENT_HAVE_D_TYPE
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+
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+/* Indicates that d_namlen field is available in dirent structure */
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+#define _DIRENT_HAVE_D_NAMLEN
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+
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+/* Entries missing from MSVC 6.0 */
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+#if !defined(FILE_ATTRIBUTE_DEVICE)
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+# define FILE_ATTRIBUTE_DEVICE 0x40
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+#endif
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+
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+/* File type and permission flags for stat(), general mask */
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+#if !defined(S_IFMT)
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+# define S_IFMT _S_IFMT
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+#endif
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+
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+/* Directory bit */
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+#if !defined(S_IFDIR)
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+# define S_IFDIR _S_IFDIR
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+#endif
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+
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+/* Character device bit */
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+#if !defined(S_IFCHR)
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+# define S_IFCHR _S_IFCHR
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+#endif
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+
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+/* Pipe bit */
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+#if !defined(S_IFFIFO)
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+# define S_IFFIFO _S_IFFIFO
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+#endif
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+
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+/* Regular file bit */
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+#if !defined(S_IFREG)
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+# define S_IFREG _S_IFREG
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+#endif
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+
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+/* Read permission */
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+#if !defined(S_IREAD)
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+# define S_IREAD _S_IREAD
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+#endif
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+
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+/* Write permission */
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+#if !defined(S_IWRITE)
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+# define S_IWRITE _S_IWRITE
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+#endif
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+
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+/* Execute permission */
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+#if !defined(S_IEXEC)
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+# define S_IEXEC _S_IEXEC
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+#endif
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+
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+/* Pipe */
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+#if !defined(S_IFIFO)
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+# define S_IFIFO _S_IFIFO
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+#endif
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+
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+/* Block device */
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+#if !defined(S_IFBLK)
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+# define S_IFBLK 0
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+#endif
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+
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+/* Link */
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+#if !defined(S_IFLNK)
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+# define S_IFLNK 0
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+#endif
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+
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+/* Socket */
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+#if !defined(S_IFSOCK)
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+# define S_IFSOCK 0
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+#endif
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+
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+/* Read user permission */
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+#if !defined(S_IRUSR)
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+# define S_IRUSR S_IREAD
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+#endif
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+
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+/* Write user permission */
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+#if !defined(S_IWUSR)
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+# define S_IWUSR S_IWRITE
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+#endif
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+
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+/* Execute user permission */
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+#if !defined(S_IXUSR)
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+# define S_IXUSR 0
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+#endif
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+
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+/* Read group permission */
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+#if !defined(S_IRGRP)
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+# define S_IRGRP 0
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+#endif
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+
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+/* Write group permission */
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+#if !defined(S_IWGRP)
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+# define S_IWGRP 0
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+#endif
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+
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+/* Execute group permission */
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+#if !defined(S_IXGRP)
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+# define S_IXGRP 0
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+#endif
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+
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+/* Read others permission */
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+#if !defined(S_IROTH)
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+# define S_IROTH 0
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+#endif
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+
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+/* Write others permission */
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+#if !defined(S_IWOTH)
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+# define S_IWOTH 0
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+#endif
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+
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+/* Execute others permission */
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+#if !defined(S_IXOTH)
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+# define S_IXOTH 0
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+#endif
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+
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+/* Maximum length of file name */
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+#if !defined(PATH_MAX)
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+# define PATH_MAX MAX_PATH
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+#endif
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+#if !defined(FILENAME_MAX)
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+# define FILENAME_MAX MAX_PATH
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+#endif
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+#if !defined(NAME_MAX)
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+# define NAME_MAX FILENAME_MAX
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+#endif
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+
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+/* File type flags for d_type */
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+#define DT_UNKNOWN 0
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+#define DT_REG S_IFREG
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+#define DT_DIR S_IFDIR
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+#define DT_FIFO S_IFIFO
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+#define DT_SOCK S_IFSOCK
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+#define DT_CHR S_IFCHR
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+#define DT_BLK S_IFBLK
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+#define DT_LNK S_IFLNK
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+
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+/* Macros for converting between st_mode and d_type */
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+#define IFTODT(mode) ((mode) & S_IFMT)
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+#define DTTOIF(type) (type)
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+
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+/*
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+ * File type macros. Note that block devices, sockets and links cannot be
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+ * distinguished on Windows and the macros S_ISBLK, S_ISSOCK and S_ISLNK are
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+ * only defined for compatibility. These macros should always return false
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+ * on Windows.
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+ */
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+#if !defined(S_ISFIFO)
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+# define S_ISFIFO(mode) (((mode) & S_IFMT) == S_IFIFO)
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+#endif
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+#if !defined(S_ISDIR)
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+# define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
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+#endif
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+#if !defined(S_ISREG)
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+# define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
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+#endif
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+#if !defined(S_ISLNK)
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+# define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK)
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+#endif
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+#if !defined(S_ISSOCK)
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+# define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK)
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+#endif
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+#if !defined(S_ISCHR)
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+# define S_ISCHR(mode) (((mode) & S_IFMT) == S_IFCHR)
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+#endif
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+#if !defined(S_ISBLK)
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+# define S_ISBLK(mode) (((mode) & S_IFMT) == S_IFBLK)
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+#endif
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+
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+/* Return the exact length of d_namlen without zero terminator */
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+#define _D_EXACT_NAMLEN(p) ((p)->d_namlen)
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+
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+/* Return number of bytes needed to store d_namlen */
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+#define _D_ALLOC_NAMLEN(p) (PATH_MAX)
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+
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+
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+#ifdef __cplusplus
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+extern "C" {
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+#endif
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+
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+
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+/* Wide-character version */
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+struct _wdirent {
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+ /* Always zero */
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+ long d_ino;
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+
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+ /* Structure size */
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+ unsigned short d_reclen;
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+
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+ /* Length of name without \0 */
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+ size_t d_namlen;
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+
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+ /* File type */
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+ int d_type;
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+
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+ /* File name */
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+ wchar_t d_name[PATH_MAX];
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+};
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+typedef struct _wdirent _wdirent;
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+
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+struct _WDIR {
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+ /* Current directory entry */
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+ struct _wdirent ent;
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+
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+ /* Private file data */
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+ WIN32_FIND_DATAW data;
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+
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+ /* True if data is valid */
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+ int cached;
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+
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+ /* Win32 search handle */
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+ HANDLE handle;
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+
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+ /* Initial directory name */
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+ wchar_t *patt;
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+};
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+typedef struct _WDIR _WDIR;
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+
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+static _WDIR *_wopendir (const wchar_t *dirname);
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+static struct _wdirent *_wreaddir (_WDIR *dirp);
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+static int _wclosedir (_WDIR *dirp);
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+static void _wrewinddir (_WDIR* dirp);
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+
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+
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+/* For compatibility with Symbian */
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+#define wdirent _wdirent
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+#define WDIR _WDIR
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+#define wopendir _wopendir
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+#define wreaddir _wreaddir
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+#define wclosedir _wclosedir
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+#define wrewinddir _wrewinddir
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+
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+
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+/* Multi-byte character versions */
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+struct dirent {
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+ /* Always zero */
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+ long d_ino;
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+
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+ /* Structure size */
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+ unsigned short d_reclen;
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+
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+ /* Length of name without \0 */
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+ size_t d_namlen;
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+
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+ /* File type */
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+ int d_type;
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+
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+ /* File name */
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+ char d_name[PATH_MAX];
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+};
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+typedef struct dirent dirent;
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+
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+struct DIR {
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+ struct dirent ent;
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+ struct _WDIR *wdirp;
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+};
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+typedef struct DIR DIR;
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+
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+static DIR *opendir (const char *dirname);
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+static struct dirent *readdir (DIR *dirp);
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+static int closedir (DIR *dirp);
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+static void rewinddir (DIR* dirp);
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+
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+
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+/* Internal utility functions */
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+static WIN32_FIND_DATAW *dirent_first (_WDIR *dirp);
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+static WIN32_FIND_DATAW *dirent_next (_WDIR *dirp);
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+
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+static int dirent_mbstowcs_s(
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+ size_t *pReturnValue,
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+ wchar_t *wcstr,
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+ size_t sizeInWords,
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+ const char *mbstr,
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+ size_t count);
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+
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+static int dirent_wcstombs_s(
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+ size_t *pReturnValue,
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+ char *mbstr,
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+ size_t sizeInBytes,
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+ const wchar_t *wcstr,
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+ size_t count);
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+
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+static void dirent_set_errno (int error);
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+
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+/*
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+ * Open directory stream DIRNAME for read and return a pointer to the
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+ * internal working area that is used to retrieve individual directory
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+ * entries.
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+ */
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+static _WDIR*
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+_wopendir(
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+ const wchar_t *dirname)
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+{
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+ _WDIR *dirp = NULL;
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+ int error;
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+
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+ /* Must have directory name */
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+ if (dirname == NULL || dirname[0] == '\0') {
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+ dirent_set_errno (ENOENT);
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+ return NULL;
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+ }
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+
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+ /* Allocate new _WDIR structure */
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+ dirp = (_WDIR*) malloc (sizeof (struct _WDIR));
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+ if (dirp != NULL) {
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+ DWORD n;
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+
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+ /* Reset _WDIR structure */
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+ dirp->handle = INVALID_HANDLE_VALUE;
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+ dirp->patt = NULL;
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+ dirp->cached = 0;
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+
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+ /* Compute the length of full path plus zero terminator
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+ *
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+ * Note that on WinRT there's no way to convert relative paths
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+ * into absolute paths, so just assume its an absolute path.
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+ */
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+# if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
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+ n = wcslen(dirname);
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+# else
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+ n = GetFullPathNameW (dirname, 0, NULL, NULL);
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+# endif
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+
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+ /* Allocate room for absolute directory name and search pattern */
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+ dirp->patt = (wchar_t*) malloc (sizeof (wchar_t) * n + 16);
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+ if (dirp->patt) {
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+
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+ /*
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+ * Convert relative directory name to an absolute one. This
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+ * allows rewinddir() to function correctly even when current
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+ * working directory is changed between opendir() and rewinddir().
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+ *
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+ * Note that on WinRT there's no way to convert relative paths
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+ * into absolute paths, so just assume its an absolute path.
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+ */
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+# if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
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+ wcsncpy_s(dirp->patt, n+1, dirname, n);
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+# else
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+ n = GetFullPathNameW (dirname, n, dirp->patt, NULL);
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+# endif
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+ if (n > 0) {
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+ wchar_t *p;
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+
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+ /* Append search pattern \* to the directory name */
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+ p = dirp->patt + n;
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+ if (dirp->patt < p) {
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+ switch (p[-1]) {
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+ case '\\':
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+ case '/':
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+ case ':':
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+ /* Directory ends in path separator, e.g. c:\temp\ */
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+ /*NOP*/;
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+ break;
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+
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+ default:
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+ /* Directory name doesn't end in path separator */
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+ *p++ = '\\';
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+ }
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+ }
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+ *p++ = '*';
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+ *p = '\0';
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+
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+ /* Open directory stream and retrieve the first entry */
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+ if (dirent_first (dirp)) {
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+ /* Directory stream opened successfully */
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+ error = 0;
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+ } else {
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+ /* Cannot retrieve first entry */
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+ error = 1;
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+ dirent_set_errno (ENOENT);
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+ }
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+
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+ } else {
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+ /* Cannot retrieve full path name */
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+ dirent_set_errno (ENOENT);
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+ error = 1;
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+ }
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+
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+ } else {
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+ /* Cannot allocate memory for search pattern */
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+ error = 1;
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+ }
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+
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+ } else {
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+ /* Cannot allocate _WDIR structure */
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+ error = 1;
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+ }
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+
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+ /* Clean up in case of error */
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+ if (error && dirp) {
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+ _wclosedir (dirp);
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+ dirp = NULL;
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+ }
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+
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+ return dirp;
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+}
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+
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+/*
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+ * Read next directory entry. The directory entry is returned in dirent
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+ * structure in the d_name field. Individual directory entries returned by
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+ * this function include regular files, sub-directories, pseudo-directories
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+ * "." and ".." as well as volume labels, hidden files and system files.
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+ */
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+static struct _wdirent*
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+_wreaddir(
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+ _WDIR *dirp)
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+{
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+ WIN32_FIND_DATAW *datap;
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|
|
+ 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*/
|