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Diffstat (limited to 'src/uscxml/plugins/Pluma/uce-dirent.h')
| -rw-r--r-- | src/uscxml/plugins/Pluma/uce-dirent.h | 671 |
1 files changed, 0 insertions, 671 deletions
diff --git a/src/uscxml/plugins/Pluma/uce-dirent.h b/src/uscxml/plugins/Pluma/uce-dirent.h deleted file mode 100644 index bafd4e4..0000000 --- a/src/uscxml/plugins/Pluma/uce-dirent.h +++ /dev/null @@ -1,671 +0,0 @@ -/* - * uce-dirent.h - operating system independent dirent implementation - * - * Copyright (C) 1998-2002 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. - * - * - * May 28 1998, Toni Ronkko <tronkko@messi.uku.fi> - * - * $Id: uce-dirent.h,v 1.7 2002/05/13 10:48:35 tr Exp $ - * - * $Log: uce-dirent.h,v $ - * Revision 1.7 2002/05/13 10:48:35 tr - * embedded some source code directly to the header so that no source - * modules need to be included in the MS Visual C project using the - * interface, removed all the dependencies to other headers of the `uce' - * library so that the header can be made public - * - * Revision 1.6 2002/04/12 16:22:04 tr - * Unified Compiling Environment (UCE) replaced `std' library - * - * Revision 1.5 2001/07/20 16:33:40 tr - * moved to `std' library and re-named defines accordingly - * - * Revision 1.4 2001/07/10 16:47:18 tronkko - * revised comments - * - * Revision 1.3 2001/01/11 13:16:43 tr - * using ``uce-machine.h'' for finding out defines such as `FREEBSD' - * - * Revision 1.2 2000/10/08 16:00:41 tr - * copy of FreeBSD man page - * - * Revision 1.1 2000/07/10 05:53:16 tr - * Initial revision - * - * Revision 1.2 1998/07/19 18:29:14 tr - * Added error reporting capabilities and some asserts. - * - * Revision 1.1 1998/07/04 16:27:51 tr - * Initial revision - * - * - * MSVC 1.0 scans automatic dependencies incorrectly when your project - * contains this very header. The problem is that MSVC cannot handle - * include directives inside #if..#endif block those are never entered. - * Since this header ought to compile in many different operating systems, - * there had to be several conditional blocks that are compiled only in - * operating systems for what they were designed for. MSVC 1.0 cannot - * handle inclusion of sys/dir.h in a part that is compiled only in Apollo - * operating system. To fix the problem you need to insert DIR.H into - * SYSINCL.DAT located in MSVC\BIN directory and restart visual C++. - * Consult manuals for more informaton about the problem. - * - * Since many UNIX systems have dirent.h we assume to have one also. - * However, if your UNIX system does not have dirent.h you can download one - * for example at: http://ftp.uni-mannheim.de/ftp/GNU/dirent/dirent.tar.gz. - * You can also see if you have one of dirent.h, direct.h, dir.h, ndir.h, - * sys/dir.h and sys/ndir.h somewhere. Try defining HAVE_DIRENT_H, - * HAVE_DIRECT_H, HAVE_DIR_H, HAVE_NDIR_H, HAVE_SYS_DIR_H and - * HAVE_SYS_NDIR_H according to the files found. - */ -#ifndef DIRENT_H -#define DIRENT_H -#define DIRENT_H_INCLUDED - -/* find out platform */ -#if defined(MSDOS) /* MS-DOS */ -#elif defined(__MSDOS__) /* Turbo C/Borland */ -# define MSDOS -#elif defined(__DOS__) /* Watcom */ -# define MSDOS -#endif - -#if defined(WIN32) /* MS-Windows */ -#elif defined(__NT__) /* Watcom */ -# define WIN32 -#elif defined(_WIN32) /* Microsoft */ -# define WIN32 -#elif defined(__WIN32__) /* Borland */ -# define WIN32 -#endif - -/* - * See what kind of dirent interface we have unless autoconf has already - * determinated that. - */ -#if !defined(HAVE_DIRENT_H) && !defined(HAVE_DIRECT_H) && !defined(HAVE_SYS_DIR_H) && !defined(HAVE_NDIR_H) && !defined(HAVE_SYS_NDIR_H) && !defined(HAVE_DIR_H) -# if defined(_MSC_VER) /* Microsoft C/C++ */ -/* no dirent.h */ -# elif defined(__BORLANDC__) /* Borland C/C++ */ -# define HAVE_DIRENT_H -# define VOID_CLOSEDIR -# elif defined(__TURBOC__) /* Borland Turbo C */ -/* no dirent.h */ -# elif defined(__WATCOMC__) /* Watcom C/C++ */ -# define HAVE_DIRECT_H -# elif defined(__apollo) /* Apollo */ -# define HAVE_SYS_DIR_H -# elif defined(__hpux) /* HP-UX */ -# define HAVE_DIRENT_H -# elif defined(__alpha) || defined(__alpha__) /* Alpha OSF1 */ -# error "not implemented" -# elif defined(__sgi) /* Silicon Graphics */ -# define HAVE_DIRENT_H -# elif defined(sun) || defined(_sun) /* Sun Solaris */ -# define HAVE_DIRENT_H -# elif defined(__FreeBSD__) /* FreeBSD */ -# define HAVE_DIRENT_H -# elif defined(__linux__) /* Linux */ -# define HAVE_DIRENT_H -# elif defined(__GNUC__) /* GNU C/C++ */ -# define HAVE_DIRENT_H -# else -# error "not implemented" -# endif -#endif - -/* include proper interface headers */ -#if defined(HAVE_DIRENT_H) -# include <dirent.h> -# ifdef FREEBSD -# define NAMLEN(dp) ((int)((dp)->d_namlen)) -# else -# define NAMLEN(dp) ((int)(strlen((dp)->d_name))) -# endif - -#elif defined(HAVE_NDIR_H) -# include <ndir.h> -# define NAMLEN(dp) ((int)((dp)->d_namlen)) - -#elif defined(HAVE_SYS_NDIR_H) -# include <sys/ndir.h> -# define NAMLEN(dp) ((int)((dp)->d_namlen)) - -#elif defined(HAVE_DIRECT_H) -# include <direct.h> -# define NAMLEN(dp) ((int)((dp)->d_namlen)) - -#elif defined(HAVE_DIR_H) -# include <dir.h> -# define NAMLEN(dp) ((int)((dp)->d_namlen)) - -#elif defined(HAVE_SYS_DIR_H) -# include <sys/types.h> -# include <sys/dir.h> -# ifndef dirent -# define dirent direct -# endif -# define NAMLEN(dp) ((int)((dp)->d_namlen)) - -#elif defined(MSDOS) || defined(WIN32) - -/* figure out type of underlaying directory interface to be used */ -# if defined(WIN32) -# define DIRENT_WIN32_INTERFACE -# elif defined(MSDOS) -# define DIRENT_MSDOS_INTERFACE -# else -# error "missing native dirent interface" -# endif - -/*** WIN32 specifics ***/ -# if defined(DIRENT_WIN32_INTERFACE) -# include <windows.h> -# if !defined(DIRENT_MAXNAMLEN) -# define DIRENT_MAXNAMLEN (MAX_PATH) -# endif - - -/*** MS-DOS specifics ***/ -# elif defined(DIRENT_MSDOS_INTERFACE) -# include <dos.h> - -/* Borland defines file length macros in dir.h */ -# if defined(__BORLANDC__) -# include <dir.h> -# if !defined(DIRENT_MAXNAMLEN) -# define DIRENT_MAXNAMLEN ((MAXFILE)+(MAXEXT)) -# endif -# if !defined(_find_t) -# define _find_t find_t -# endif - -/* Turbo C defines ffblk structure in dir.h */ -# elif defined(__TURBOC__) -# include <dir.h> -# if !defined(DIRENT_MAXNAMLEN) -# define DIRENT_MAXNAMLEN ((MAXFILE)+(MAXEXT)) -# endif -# define DIRENT_USE_FFBLK - -/* MSVC */ -# elif defined(_MSC_VER) -# if !defined(DIRENT_MAXNAMLEN) -# define DIRENT_MAXNAMLEN (12) -# endif - -/* Watcom */ -# elif defined(__WATCOMC__) -# if !defined(DIRENT_MAXNAMLEN) -# if defined(__OS2__) || defined(__NT__) -# define DIRENT_MAXNAMLEN (255) -# else -# define DIRENT_MAXNAMLEN (12) -# endif -# endif - -# endif -# endif - -/*** generic MS-DOS and MS-Windows stuff ***/ -# if !defined(NAME_MAX) && defined(DIRENT_MAXNAMLEN) -# define NAME_MAX DIRENT_MAXNAMLEN -# endif -# if NAME_MAX < DIRENT_MAXNAMLEN -# error "assertion failed: NAME_MAX >= DIRENT_MAXNAMLEN" -# endif - - -/* - * Substitute for real dirent structure. Note that `d_name' field is a - * true character array although we have it copied in the implementation - * dependent data. We could save some memory if we had declared `d_name' - * as a pointer refering the name within implementation dependent data. - * We have not done that since some code may rely on sizeof(d_name) to be - * something other than four. Besides, directory entries are typically so - * small that it takes virtually no time to copy them from place to place. - */ -typedef struct dirent { - char d_name[NAME_MAX + 1]; - - /*** Operating system specific part ***/ -# if defined(DIRENT_WIN32_INTERFACE) /*WIN32*/ - WIN32_FIND_DATA data; -# elif defined(DIRENT_MSDOS_INTERFACE) /*MSDOS*/ -# if defined(DIRENT_USE_FFBLK) - struct ffblk data; -# else - struct _find_t data; -# endif -# endif -} dirent; - -/* DIR substitute structure containing directory name. The name is - * essential for the operation of ``rewinndir'' function. */ -typedef struct DIR { - char *dirname; /* directory being scanned */ - dirent current; /* current entry */ - int dirent_filled; /* is current un-processed? */ - - /*** Operating system specific part ***/ -# if defined(DIRENT_WIN32_INTERFACE) - HANDLE search_handle; -# elif defined(DIRENT_MSDOS_INTERFACE) -# endif -} DIR; - -# ifdef __cplusplus -extern "C" { -# endif - -/* supply prototypes for dirent functions */ -static DIR *opendir (const char *dirname); -static struct dirent *readdir (DIR *dirp); -static int closedir (DIR *dirp); -static void rewinddir (DIR *dirp); - -/* - * Implement dirent interface as static functions so that the user does not - * need to change his project in any way to use dirent function. With this - * it is sufficient to include this very header from source modules using - * dirent functions and the functions will be pulled in automatically. - */ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <errno.h> - -/* use ffblk instead of _find_t if requested */ -#if defined(DIRENT_USE_FFBLK) -# define _A_ARCH (FA_ARCH) -# define _A_HIDDEN (FA_HIDDEN) -# define _A_NORMAL (0) -# define _A_RDONLY (FA_RDONLY) -# define _A_SUBDIR (FA_DIREC) -# define _A_SYSTEM (FA_SYSTEM) -# define _A_VOLID (FA_LABEL) -# define _dos_findnext(dest) findnext(dest) -# define _dos_findfirst(name,flags,dest) findfirst(name,dest,flags) -#endif - -static int _initdir (DIR *p); -static const char *_getdirname (const struct dirent *dp); -static void _setdirname (struct DIR *dirp); - -/* - * <function name="opendir"> - * <intro>open directory stream for reading - * <syntax>DIR *opendir (const char *dirname); - * - * <desc>Open named directory stream for read and return pointer to the - * internal working area that is used for retrieving individual directory - * entries. The internal working area has no fields of your interest. - * - * <ret>Returns a pointer to the internal working area or NULL in case the - * directory stream could not be opened. Global `errno' variable will set - * in case of error as follows: - * - * <table> - * [EACESS |Permission denied. - * [EMFILE |Too many open files used by the process. - * [ENFILE |Too many open files in system. - * [ENOENT |Directory does not exist. - * [ENOMEM |Insufficient memory. - * [ENOTDIR |dirname does not refer to directory. This value is not - * reliable on MS-DOS and MS-Windows platforms. Many - * implementations return ENOENT even when the name refers to a - * file.] - * </table> - * </function> - */ -static DIR * -opendir( - const char *dirname) { - DIR *dirp; - assert (dirname != NULL); - - dirp = (DIR*)malloc (sizeof (struct DIR)); - if (dirp != NULL) { - char *p; - - /* allocate room for directory name */ - dirp->dirname = (char*) malloc (strlen (dirname) + 1 + strlen ("\\*.*")); - if (dirp->dirname == NULL) { - /* failed to duplicate directory name. errno set by malloc() */ - free (dirp); - return NULL; - } - /* Copy directory name while appending directory separator and "*.*". - * Directory separator is not appended if the name already ends with - * drive or directory separator. Directory separator is assumed to be - * '/' or '\' and drive separator is assumed to be ':'. */ - strcpy (dirp->dirname, dirname); - p = strchr (dirp->dirname, '\0'); - if (dirp->dirname < p && - *(p - 1) != '\\' && *(p - 1) != '/' && *(p - 1) != ':') { - strcpy (p++, "/"); - } -# ifdef DIRENT_WIN32_INTERFACE - strcpy (p, "*"); /*scan files with and without extension in win32*/ -# else - strcpy (p, "*.*"); /*scan files with and without extension in DOS*/ -# endif - - /* open stream */ - if (_initdir (dirp) == 0) { - /* initialization failed */ - free (dirp->dirname); - free (dirp); - return NULL; - } - } - return dirp; -} - - -/* - * <function name="readdir"> - * <intro>read a directory entry - * <syntax>struct dirent *readdir (DIR *dirp); - * - * <desc>Read individual directory entry and return pointer to a structure - * containing the name of the entry. Individual directory entries returned - * include normal files, sub-directories, pseudo-directories "." and ".." - * and also volume labels, hidden files and system files in MS-DOS and - * MS-Windows. You might want to use stat(2) function to determinate which - * one are you dealing with. Many dirent implementations already contain - * equivalent information in dirent structure but you cannot depend on - * this. - * - * The dirent structure contains several system dependent fields that - * generally have no interest to you. The only interesting one is char - * d_name[] that is also portable across different systems. The d_name - * field contains the name of the directory entry without leading path. - * While d_name is portable across different systems the actual storage - * capacity of d_name varies from system to system and there is no portable - * way to find out it at compile time as different systems define the - * capacity of d_name with different macros and some systems do not define - * capacity at all (besides actual declaration of the field). If you really - * need to find out storage capacity of d_name then you might want to try - * NAME_MAX macro. The NAME_MAX is defined in POSIX standard althought - * there are many MS-DOS and MS-Windows implementations those do not define - * it. There are also systems that declare d_name as "char d_name[1]" and - * then allocate suitable amount of memory at run-time. Thanks to Alain - * Decamps (Alain.Decamps@advalvas.be) for pointing it out to me. - * - * This all leads to the fact that it is difficult to allocate space - * for the directory names when the very same program is being compiled on - * number of operating systems. Therefore I suggest that you always - * allocate space for directory names dynamically. - * - * <ret> - * Returns a pointer to a structure containing name of the directory entry - * in `d_name' field or NULL if there was an error. In case of an error the - * global `errno' variable will set as follows: - * - * <table> - * [EBADF |dir parameter refers to an invalid directory stream. This value - * is not set reliably on all implementations.] - * </table> - * </function> - */ -static struct dirent * -readdir (DIR *dirp) { - assert (dirp != NULL); - if (dirp == NULL) { - errno = EBADF; - return NULL; - } - -#if defined(DIRENT_WIN32_INTERFACE) - if (dirp->search_handle == INVALID_HANDLE_VALUE) { - /* directory stream was opened/rewound incorrectly or it ended normally */ - errno = EBADF; - return NULL; - } -#endif - - if (dirp->dirent_filled != 0) { - /* - * Directory entry has already been retrieved and there is no need to - * retrieve a new one. Directory entry will be retrieved in advance - * when the user calls readdir function for the first time. This is so - * because real dirent has separate functions for opening and reading - * the stream whereas Win32 and DOS dirents open the stream - * automatically when we retrieve the first file. Therefore, we have to - * save the first file when opening the stream and later we have to - * return the saved entry when the user tries to read the first entry. - */ - dirp->dirent_filled = 0; - } else { - /* fill in entry and return that */ -#if defined(DIRENT_WIN32_INTERFACE) - if (FindNextFile (dirp->search_handle, &dirp->current.data) == FALSE) { - /* Last file has been processed or an error occured */ - FindClose (dirp->search_handle); - dirp->search_handle = INVALID_HANDLE_VALUE; - errno = ENOENT; - return NULL; - } - -# elif defined(DIRENT_MSDOS_INTERFACE) - if (_dos_findnext (&dirp->current.data) != 0) { - /* _dos_findnext and findnext will set errno to ENOENT when no - * more entries could be retrieved. */ - return NULL; - } -# endif - - _setdirname (dirp); - assert (dirp->dirent_filled == 0); - } - return &dirp->current; -} - - -/* - * <function name="closedir"> - * <intro>close directory stream. - * <syntax>int closedir (DIR *dirp); - * - * <desc>Close directory stream opened by the `opendir' function. Close of - * directory stream invalidates the DIR structure as well as previously read - * dirent entry. - * - * <ret>The function typically returns 0 on success and -1 on failure but - * the function may be declared to return void on same systems. At least - * Borland C/C++ and some UNIX implementations use void as a return type. - * The dirent wrapper tries to define VOID_CLOSEDIR whenever closedir is - * known to return nothing. The very same definition is made by the GNU - * autoconf if you happen to use it. - * - * The global `errno' variable will set to EBADF in case of error. - * </function> - */ -static int -closedir (DIR *dirp) { - int retcode = 0; - - /* make sure that dirp points to legal structure */ - assert (dirp != NULL); - if (dirp == NULL) { - errno = EBADF; - return -1; - } - - /* free directory name and search handles */ - if (dirp->dirname != NULL) free (dirp->dirname); - -#if defined(DIRENT_WIN32_INTERFACE) - if (dirp->search_handle != INVALID_HANDLE_VALUE) { - if (FindClose (dirp->search_handle) == FALSE) { - /* Unknown error */ - retcode = -1; - errno = EBADF; - } - } -#endif - - /* clear dirp structure to make sure that it cannot be used anymore*/ - memset (dirp, 0, sizeof (*dirp)); -# if defined(DIRENT_WIN32_INTERFACE) - dirp->search_handle = INVALID_HANDLE_VALUE; -# endif - - free (dirp); - return retcode; -} - - -/* - * <function name="rewinddir"> - * <intro>rewind directory stream to the beginning - * <syntax>void rewinddir (DIR *dirp); - * - * <desc>Rewind directory stream to the beginning so that the next call of - * readdir() returns the very first directory entry again. However, note - * that next call of readdir() may not return the same directory entry as it - * did in first time. The directory stream may have been affected by newly - * created files. - * - * Almost every dirent implementation ensure that rewinddir will update - * the directory stream to reflect any changes made to the directory entries - * since the previous ``opendir'' or ``rewinddir'' call. Keep an eye on - * this if your program depends on the feature. I know at least one dirent - * implementation where you are required to close and re-open the stream to - * see the changes. - * - * <ret>Returns nothing. If something went wrong while rewinding, you will - * notice it later when you try to retrieve the first directory entry. - */ -static void -rewinddir (DIR *dirp) { - /* make sure that dirp is legal */ - assert (dirp != NULL); - if (dirp == NULL) { - errno = EBADF; - return; - } - assert (dirp->dirname != NULL); - - /* close previous stream */ -#if defined(DIRENT_WIN32_INTERFACE) - if (dirp->search_handle != INVALID_HANDLE_VALUE) { - if (FindClose (dirp->search_handle) == FALSE) { - /* Unknown error */ - errno = EBADF; - } - } -#endif - - /* re-open previous stream */ - if (_initdir (dirp) == 0) { - /* initialization failed but we cannot deal with error. User will notice - * error later when she tries to retrieve first directory enty. */ - /*EMPTY*/; - } -} - - -/* - * Open native directory stream object and retrieve first file. - * Be sure to close previous stream before opening new one. - */ -static int -_initdir (DIR *dirp) { - assert (dirp != NULL); - assert (dirp->dirname != NULL); - dirp->dirent_filled = 0; - -# if defined(DIRENT_WIN32_INTERFACE) - /* Open stream and retrieve first file */ - dirp->search_handle = FindFirstFile (dirp->dirname, &dirp->current.data); - if (dirp->search_handle == INVALID_HANDLE_VALUE) { - /* something went wrong but we don't know what. GetLastError() could - * give us more information about the error, but then we should map - * the error code into errno. */ - errno = ENOENT; - return 0; - } - -# elif defined(DIRENT_MSDOS_INTERFACE) - if (_dos_findfirst (dirp->dirname, - _A_SUBDIR | _A_RDONLY | _A_ARCH | _A_SYSTEM | _A_HIDDEN, - &dirp->current.data) != 0) { - /* _dos_findfirst and findfirst will set errno to ENOENT when no - * more entries could be retrieved. */ - return 0; - } -# endif - - /* initialize DIR and it's first entry */ - _setdirname (dirp); - dirp->dirent_filled = 1; - return 1; -} - - -/* - * Return implementation dependent name of the current directory entry. - */ -static const char * -_getdirname (const struct dirent *dp) { -#if defined(DIRENT_WIN32_INTERFACE) - return dp->data.cFileName; - -#elif defined(DIRENT_USE_FFBLK) - return dp->data.ff_name; - -#else - return dp->data.name; -#endif -} - - -/* - * Copy name of implementation dependent directory entry to the d_name field. - */ -static void -_setdirname (struct DIR *dirp) { - /* make sure that d_name is long enough */ - assert (strlen (_getdirname (&dirp->current)) <= NAME_MAX); - - strncpy (dirp->current.d_name, - _getdirname (&dirp->current), - NAME_MAX); - dirp->current.d_name[NAME_MAX] = '\0'; /*char d_name[NAME_MAX+1]*/ -} - -# ifdef __cplusplus -} -# endif -# define NAMLEN(dp) ((int)(strlen((dp)->d_name))) - -#else -# error "missing dirent interface" -#endif - - -#endif /*DIRENT_H*/ - |