/strigi-0.7.7/libstreamanalyzer/lib/stgdirent.h

  1/*------------------------------------------------------------------------------
  2* Copyright (C) 2003-2006 Matt J. Weinstein <weinstein@macalester.edu>
  3*
  4* Distributable under the terms of either the Apache License (Version 2.0) or
  5* the GNU Lesser General Public License, as specified in the COPYING file.
  6------------------------------------------------------------------------------*/
  7#ifndef STGDIRENT_H
  8#define STGDIRENT_H
  9
 10#ifdef HAVE_CONFIG_H
 11# include "config.h"
 12#endif
 13
 14#if !defined(HAVE_DIRENT_H) && !defined(HAVE_SYS_NDIR_H) && !defined(HAVE_SYS_DIR_H) && !defined(HAVE_NDIR_H)
 15
 16#include <strigi/strigiconfig.h>
 17#include <windows.h>
 18#include <io.h>
 19
 20/**
 21 * dirent.c
 22 *
 23 * Derived from DIRLIB.C by Matt J. Weinstein
 24 * This note appears in the DIRLIB.H
 25 * DIRLIB.H by M. J. Weinstein   Released to public domain 1-Jan-89
 26 *
 27 * Updated by Jeremy Bettis <jeremy@hksys.com>
 28 * Significantly revised and rewinddir, seekdir and telldir added by Colin
 29 * Cut down again & changed by Ben van Klinken
 30 * Peters <colin@fu.is.saga-u.ac.jp>
 31 *
 32 */
 33
 34/** dirent structure - used by the dirent.h directory iteration functions */
 35struct dirent
 36{
 37    unsigned short    d_namlen;    /* Length of name in d_name. */
 38    char *d_name;        /* File name. */
 39};
 40
 41/** DIR structure - used by the dirent.h directory iteration functions*/
 42struct DIR
 43{
 44    /** disk transfer area for this dir */
 45    struct _finddata_t dd_dta;
 46
 47    /* dirent struct to return from dir (NOTE: this makes this thread
 48     * safe as long as only one thread uses a particular DIR struct at
 49     * a time) */
 50    struct dirent        dd_dir;
 51
 52    /** _findnext handle */
 53    intptr_t            dd_handle;
 54
 55    /**
 56         * Status of search:
 57     *   0 = not started yet (next entry to read is first entry)
 58     *  -1 = off the end
 59     *   positive = 0 based index of next entry
 60     */
 61    int32_t            dd_stat;
 62
 63    /** given path for dir with search pattern (struct is extended) */
 64    char            dd_name[MAX_PATH];
 65
 66};
 67
 68#define DIRENT_SEARCH_SUFFIX "*"
 69#define DIRENT_SLASH PATH_DELIMITERA
 70
 71
 72/**
 73* Returns a pointer to a DIR structure appropriately filled in to begin
 74* searching a directory.
 75*/
 76DIR* strigi_opendir (const char* filespec);
 77#define opendir strigi_opendir
 78
 79/**
 80* Return a pointer to a dirent structure filled with the information on the
 81* next entry in the directory.
 82*/
 83struct dirent* strigi_readdir (DIR* dir);
 84#define readdir strigi_readdir
 85
 86/**
 87* Frees up resources allocated by opendir.
 88*/
 89int32_t strigi_closedir (DIR* dir);
 90#define closedir strigi_closedir
 91
 92
 93#elif defined (HAVE_DIRENT_H)
 94# include <dirent.h>
 95# define NAMLEN(dirent) strlen((dirent)->d_name)
 96
 97#else
 98# define dirent direct
 99# define NAMLEN(dirent) (dirent)->d_namlen
100# if defined(HAVE_SYS_NDIR_H)
101#  include <sys/ndir.h>
102# endif
103# if defined(HHAVE_SYS_DIR_H)
104#  include <sys/dir.h>
105# endif
106# if defined(HHAVE_NDIR_H)
107#  include <ndir.h>
108# endif
109
110#endif //HAVE_DIRENT_H
111#endif