From cbc22b646d938d8b52dc6ce5e6f3ed3d4fce3a52 Mon Sep 17 00:00:00 2001 From: "admin@omencraft.com" Date: Sat, 5 Nov 2011 01:21:03 +0000 Subject: dang finicky OS installs. >.> Bug fixes to make sure this compiles is more than two OS's. git-svn-id: http://mc-server.googlecode.com/svn/trunk@62 0a769ca7-a7f5-676a-18bf-c427514a06d6 --- converter/source/cDeNotch.cpp | 2 +- converter/source/dirent.h | 372 ------------------------------------------ converter/source/main.cpp | 2 +- converter/source/printdir.c | 2 +- converter/source/wdirent.h | 372 ++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 375 insertions(+), 375 deletions(-) delete mode 100644 converter/source/dirent.h create mode 100644 converter/source/wdirent.h (limited to 'converter/source') diff --git a/converter/source/cDeNotch.cpp b/converter/source/cDeNotch.cpp index c5001896b..c2963f365 100644 --- a/converter/source/cDeNotch.cpp +++ b/converter/source/cDeNotch.cpp @@ -10,7 +10,7 @@ #include "cQuicksort.h" #include "cDeNotch.h" #ifdef _WIN32 -#include "dirent.h" +#include "wdirent.h" #else #include #endif diff --git a/converter/source/dirent.h b/converter/source/dirent.h deleted file mode 100644 index 445d040dc..000000000 --- a/converter/source/dirent.h +++ /dev/null @@ -1,372 +0,0 @@ -/***************************************************************************** - * dirent.h - dirent API for Microsoft Visual Studio - * - * Copyright (C) 2006 Toni Ronkko - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * ``Software''), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS - * 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. - * - * Mar 15, 2011, Toni Ronkko - * Defined FILE_ATTRIBUTE_DEVICE for MSVC 6.0. - * - * Aug 11, 2010, Toni Ronkko - * Added d_type and d_namlen fields to dirent structure. The former is - * especially useful for determining whether directory entry represents a - * file or a directory. For more information, see - * http://www.delorie.com/gnu/docs/glibc/libc_270.html - * - * Aug 11, 2010, Toni Ronkko - * Improved conformance to the standards. For example, errno is now set - * properly on failure and assert() is never used. Thanks to Peter Brockam - * for suggestions. - * - * Aug 11, 2010, Toni Ronkko - * Fixed a bug in rewinddir(): when using relative directory names, change - * of working directory no longer causes rewinddir() to fail. - * - * Dec 15, 2009, John Cunningham - * Added rewinddir member function - * - * Jan 18, 2008, Toni Ronkko - * Using FindFirstFileA and WIN32_FIND_DATAA to avoid converting string - * between multi-byte and unicode representations. This makes the - * code simpler and also allows the code to be compiled under MingW. Thanks - * to Azriel Fasten for the suggestion. - * - * Mar 4, 2007, Toni Ronkko - * Bug fix: due to the strncpy_s() function this file only compiled in - * Visual Studio 2005. Using the new string functions only when the - * compiler version allows. - * - * Nov 2, 2006, Toni Ronkko - * Major update: removed support for Watcom C, MS-DOS and Turbo C to - * simplify the file, updated the code to compile cleanly on Visual - * Studio 2005 with both unicode and multi-byte character strings, - * removed rewinddir() as it had a bug. - * - * Aug 20, 2006, Toni Ronkko - * Removed all remarks about MSVC 1.0, which is antiqued now. Simplified - * comments by removing SGML tags. - * - * May 14 2002, Toni Ronkko - * Embedded the function definitions directly to the header so that no - * source modules need to be included in the Visual Studio project. Removed - * all the dependencies to other projects so that this very header can be - * used independently. - * - * May 28 1998, Toni Ronkko - * First version. - *****************************************************************************/ -#ifndef DIRENT_H -#define DIRENT_H - -#define WIN32_LEAN_AND_MEAN -#include -#include -#include -#include -#include -#include - -/* 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) - -#ifdef __cplusplus -extern "C" { -#endif - - -typedef struct dirent -{ - char d_name[MAX_PATH + 1]; /* File name */ - size_t d_namlen; /* Length of name without \0 */ - int d_type; /* File type */ -} dirent; - - -typedef struct DIR -{ - dirent curentry; /* Current directory entry */ - WIN32_FIND_DATAA find_data; /* Private file data */ - int cached; /* True if data is valid */ - HANDLE search_handle; /* Win32 search handle */ - char patt[MAX_PATH + 3]; /* Initial directory name */ -} DIR; - - -/* Forward declarations */ -static DIR *opendir(const char *dirname); -static struct dirent *readdir(DIR *dirp); -static int closedir(DIR *dirp); -static void rewinddir(DIR* dirp); - - -/* Use the new safe string functions introduced in Visual Studio 2005 */ -#if defined(_MSC_VER) && _MSC_VER >= 1400 -# define DIRENT_STRNCPY(dest,src,size) strncpy_s((dest),(size),(src),_TRUNCATE) -#else -# define DIRENT_STRNCPY(dest,src,size) strncpy((dest),(src),(size)) -#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 - - -/***************************************************************************** - * Open directory stream DIRNAME for read and return a pointer to the - * internal working area that is used to retrieve individual directory - * entries. - */ -static DIR *opendir(const char *dirname) -{ - DIR *dirp; - - /* ensure that the resulting search pattern will be a valid file name */ - if (dirname == NULL) { - DIRENT_SET_ERRNO (ENOENT); - return NULL; - } - if (strlen (dirname) + 3 >= MAX_PATH) { - DIRENT_SET_ERRNO (ENAMETOOLONG); - return NULL; - } - - /* construct new DIR structure */ - dirp = (DIR*) malloc (sizeof (struct DIR)); - if (dirp != NULL) { - int error; - - /* - * 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(). - */ - if (GetFullPathNameA (dirname, MAX_PATH, dirp->patt, NULL)) { - char *p; - - /* append the search pattern "\\*\0" to the directory name */ - p = strchr (dirp->patt, '\0'); - if (dirp->patt < p && *(p-1) != '\\' && *(p-1) != ':') { - *p++ = '\\'; - } - *p++ = '*'; - *p = '\0'; - - /* open directory stream and retrieve the first entry */ - dirp->search_handle = FindFirstFileA (dirp->patt, &dirp->find_data); - if (dirp->search_handle != INVALID_HANDLE_VALUE) { - /* a directory entry is now waiting in memory */ - dirp->cached = 1; - error = 0; - } else { - /* search pattern is not a directory name? */ - DIRENT_SET_ERRNO (ENOENT); - error = 1; - } - } else { - /* buffer too small */ - DIRENT_SET_ERRNO (ENOMEM); - error = 1; - } - - if (error) { - free (dirp); - dirp = NULL; - } - } - - return dirp; -} - - -/***************************************************************************** - * Read a directory entry, and return a pointer to a dirent structure - * containing the name of the entry in d_name field. Individual directory - * entries returned by this very function include regular files, - * sub-directories, pseudo-directories "." and "..", but also volume labels, - * hidden files and system files may be returned. - */ -static struct dirent *readdir(DIR *dirp) -{ - DWORD attr; - if (dirp == NULL) { - /* directory stream did not open */ - DIRENT_SET_ERRNO (EBADF); - return NULL; - } - - /* 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->search_handle == INVALID_HANDLE_VALUE) { - return NULL; - } - if (FindNextFileA (dirp->search_handle, &dirp->find_data) == FALSE) { - /* the very last entry has been processed or an error occured */ - FindClose (dirp->search_handle); - dirp->search_handle = INVALID_HANDLE_VALUE; - return NULL; - } - } - - /* copy as a multibyte character string */ - DIRENT_STRNCPY ( dirp->curentry.d_name, - dirp->find_data.cFileName, - sizeof(dirp->curentry.d_name) ); - dirp->curentry.d_name[MAX_PATH] = '\0'; - - /* compute the length of name */ - dirp->curentry.d_namlen = strlen (dirp->curentry.d_name); - - /* determine file type */ - attr = dirp->find_data.dwFileAttributes; - if ((attr & FILE_ATTRIBUTE_DEVICE) != 0) { - dirp->curentry.d_type = DT_CHR; - } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) { - dirp->curentry.d_type = DT_DIR; - } else { - dirp->curentry.d_type = DT_REG; - } - return &dirp->curentry; -} - - -/***************************************************************************** - * Close directory stream opened by opendir() function. Close of the - * directory stream invalidates the DIR structure as well as any previously - * read directory entry. - */ -static int closedir(DIR *dirp) -{ - if (dirp == NULL) { - /* invalid directory stream */ - DIRENT_SET_ERRNO (EBADF); - return -1; - } - - /* release search handle */ - if (dirp->search_handle != INVALID_HANDLE_VALUE) { - FindClose (dirp->search_handle); - dirp->search_handle = INVALID_HANDLE_VALUE; - } - - /* release directory structure */ - free (dirp); - return 0; -} - - -/***************************************************************************** - * Resets the position of the directory stream to which dirp refers to the - * beginning of the directory. It also causes the directory stream to refer - * to the current state of the corresponding directory, as a call to opendir() - * would have done. If dirp does not refer to a directory stream, the effect - * is undefined. - */ -static void rewinddir(DIR* dirp) -{ - if (dirp != NULL) { - /* release search handle */ - if (dirp->search_handle != INVALID_HANDLE_VALUE) { - FindClose (dirp->search_handle); - } - - /* open new search handle and retrieve the first entry */ - dirp->search_handle = FindFirstFileA (dirp->patt, &dirp->find_data); - if (dirp->search_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; - } - } -} - - -#ifdef __cplusplus -} -#endif -#endif /*DIRENT_H*/ diff --git a/converter/source/main.cpp b/converter/source/main.cpp index 0cf3248b9..67da82804 100644 --- a/converter/source/main.cpp +++ b/converter/source/main.cpp @@ -4,7 +4,7 @@ #include "cQuicksort.h" #include "cDeNotch.h" #ifdef _WIN32 -#include "dirent.h" +#include "wdirent.h" #else #include #endif diff --git a/converter/source/printdir.c b/converter/source/printdir.c index ad0492f98..7216413be 100644 --- a/converter/source/printdir.c +++ b/converter/source/printdir.c @@ -3,7 +3,7 @@ #include #include #include -#include "dirent.h" +#include "wdirent.h" int main (int argc, char *argv[]) { int i; diff --git a/converter/source/wdirent.h b/converter/source/wdirent.h new file mode 100644 index 000000000..445d040dc --- /dev/null +++ b/converter/source/wdirent.h @@ -0,0 +1,372 @@ +/***************************************************************************** + * dirent.h - dirent API for Microsoft Visual Studio + * + * Copyright (C) 2006 Toni Ronkko + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * ``Software''), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + * 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. + * + * Mar 15, 2011, Toni Ronkko + * Defined FILE_ATTRIBUTE_DEVICE for MSVC 6.0. + * + * Aug 11, 2010, Toni Ronkko + * Added d_type and d_namlen fields to dirent structure. The former is + * especially useful for determining whether directory entry represents a + * file or a directory. For more information, see + * http://www.delorie.com/gnu/docs/glibc/libc_270.html + * + * Aug 11, 2010, Toni Ronkko + * Improved conformance to the standards. For example, errno is now set + * properly on failure and assert() is never used. Thanks to Peter Brockam + * for suggestions. + * + * Aug 11, 2010, Toni Ronkko + * Fixed a bug in rewinddir(): when using relative directory names, change + * of working directory no longer causes rewinddir() to fail. + * + * Dec 15, 2009, John Cunningham + * Added rewinddir member function + * + * Jan 18, 2008, Toni Ronkko + * Using FindFirstFileA and WIN32_FIND_DATAA to avoid converting string + * between multi-byte and unicode representations. This makes the + * code simpler and also allows the code to be compiled under MingW. Thanks + * to Azriel Fasten for the suggestion. + * + * Mar 4, 2007, Toni Ronkko + * Bug fix: due to the strncpy_s() function this file only compiled in + * Visual Studio 2005. Using the new string functions only when the + * compiler version allows. + * + * Nov 2, 2006, Toni Ronkko + * Major update: removed support for Watcom C, MS-DOS and Turbo C to + * simplify the file, updated the code to compile cleanly on Visual + * Studio 2005 with both unicode and multi-byte character strings, + * removed rewinddir() as it had a bug. + * + * Aug 20, 2006, Toni Ronkko + * Removed all remarks about MSVC 1.0, which is antiqued now. Simplified + * comments by removing SGML tags. + * + * May 14 2002, Toni Ronkko + * Embedded the function definitions directly to the header so that no + * source modules need to be included in the Visual Studio project. Removed + * all the dependencies to other projects so that this very header can be + * used independently. + * + * May 28 1998, Toni Ronkko + * First version. + *****************************************************************************/ +#ifndef DIRENT_H +#define DIRENT_H + +#define WIN32_LEAN_AND_MEAN +#include +#include +#include +#include +#include +#include + +/* 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) + +#ifdef __cplusplus +extern "C" { +#endif + + +typedef struct dirent +{ + char d_name[MAX_PATH + 1]; /* File name */ + size_t d_namlen; /* Length of name without \0 */ + int d_type; /* File type */ +} dirent; + + +typedef struct DIR +{ + dirent curentry; /* Current directory entry */ + WIN32_FIND_DATAA find_data; /* Private file data */ + int cached; /* True if data is valid */ + HANDLE search_handle; /* Win32 search handle */ + char patt[MAX_PATH + 3]; /* Initial directory name */ +} DIR; + + +/* Forward declarations */ +static DIR *opendir(const char *dirname); +static struct dirent *readdir(DIR *dirp); +static int closedir(DIR *dirp); +static void rewinddir(DIR* dirp); + + +/* Use the new safe string functions introduced in Visual Studio 2005 */ +#if defined(_MSC_VER) && _MSC_VER >= 1400 +# define DIRENT_STRNCPY(dest,src,size) strncpy_s((dest),(size),(src),_TRUNCATE) +#else +# define DIRENT_STRNCPY(dest,src,size) strncpy((dest),(src),(size)) +#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 + + +/***************************************************************************** + * Open directory stream DIRNAME for read and return a pointer to the + * internal working area that is used to retrieve individual directory + * entries. + */ +static DIR *opendir(const char *dirname) +{ + DIR *dirp; + + /* ensure that the resulting search pattern will be a valid file name */ + if (dirname == NULL) { + DIRENT_SET_ERRNO (ENOENT); + return NULL; + } + if (strlen (dirname) + 3 >= MAX_PATH) { + DIRENT_SET_ERRNO (ENAMETOOLONG); + return NULL; + } + + /* construct new DIR structure */ + dirp = (DIR*) malloc (sizeof (struct DIR)); + if (dirp != NULL) { + int error; + + /* + * 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(). + */ + if (GetFullPathNameA (dirname, MAX_PATH, dirp->patt, NULL)) { + char *p; + + /* append the search pattern "\\*\0" to the directory name */ + p = strchr (dirp->patt, '\0'); + if (dirp->patt < p && *(p-1) != '\\' && *(p-1) != ':') { + *p++ = '\\'; + } + *p++ = '*'; + *p = '\0'; + + /* open directory stream and retrieve the first entry */ + dirp->search_handle = FindFirstFileA (dirp->patt, &dirp->find_data); + if (dirp->search_handle != INVALID_HANDLE_VALUE) { + /* a directory entry is now waiting in memory */ + dirp->cached = 1; + error = 0; + } else { + /* search pattern is not a directory name? */ + DIRENT_SET_ERRNO (ENOENT); + error = 1; + } + } else { + /* buffer too small */ + DIRENT_SET_ERRNO (ENOMEM); + error = 1; + } + + if (error) { + free (dirp); + dirp = NULL; + } + } + + return dirp; +} + + +/***************************************************************************** + * Read a directory entry, and return a pointer to a dirent structure + * containing the name of the entry in d_name field. Individual directory + * entries returned by this very function include regular files, + * sub-directories, pseudo-directories "." and "..", but also volume labels, + * hidden files and system files may be returned. + */ +static struct dirent *readdir(DIR *dirp) +{ + DWORD attr; + if (dirp == NULL) { + /* directory stream did not open */ + DIRENT_SET_ERRNO (EBADF); + return NULL; + } + + /* 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->search_handle == INVALID_HANDLE_VALUE) { + return NULL; + } + if (FindNextFileA (dirp->search_handle, &dirp->find_data) == FALSE) { + /* the very last entry has been processed or an error occured */ + FindClose (dirp->search_handle); + dirp->search_handle = INVALID_HANDLE_VALUE; + return NULL; + } + } + + /* copy as a multibyte character string */ + DIRENT_STRNCPY ( dirp->curentry.d_name, + dirp->find_data.cFileName, + sizeof(dirp->curentry.d_name) ); + dirp->curentry.d_name[MAX_PATH] = '\0'; + + /* compute the length of name */ + dirp->curentry.d_namlen = strlen (dirp->curentry.d_name); + + /* determine file type */ + attr = dirp->find_data.dwFileAttributes; + if ((attr & FILE_ATTRIBUTE_DEVICE) != 0) { + dirp->curentry.d_type = DT_CHR; + } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) { + dirp->curentry.d_type = DT_DIR; + } else { + dirp->curentry.d_type = DT_REG; + } + return &dirp->curentry; +} + + +/***************************************************************************** + * Close directory stream opened by opendir() function. Close of the + * directory stream invalidates the DIR structure as well as any previously + * read directory entry. + */ +static int closedir(DIR *dirp) +{ + if (dirp == NULL) { + /* invalid directory stream */ + DIRENT_SET_ERRNO (EBADF); + return -1; + } + + /* release search handle */ + if (dirp->search_handle != INVALID_HANDLE_VALUE) { + FindClose (dirp->search_handle); + dirp->search_handle = INVALID_HANDLE_VALUE; + } + + /* release directory structure */ + free (dirp); + return 0; +} + + +/***************************************************************************** + * Resets the position of the directory stream to which dirp refers to the + * beginning of the directory. It also causes the directory stream to refer + * to the current state of the corresponding directory, as a call to opendir() + * would have done. If dirp does not refer to a directory stream, the effect + * is undefined. + */ +static void rewinddir(DIR* dirp) +{ + if (dirp != NULL) { + /* release search handle */ + if (dirp->search_handle != INVALID_HANDLE_VALUE) { + FindClose (dirp->search_handle); + } + + /* open new search handle and retrieve the first entry */ + dirp->search_handle = FindFirstFileA (dirp->patt, &dirp->find_data); + if (dirp->search_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; + } + } +} + + +#ifdef __cplusplus +} +#endif +#endif /*DIRENT_H*/ -- cgit v1.2.3