xref: /haiku/src/kits/storage/EntryList.cpp (revision b46615c55ad2c8fe6de54412055a0713da3d610a)
1 //----------------------------------------------------------------------
2 //  This software is part of the OpenBeOS distribution and is covered
3 //  by the OpenBeOS license.
4 //---------------------------------------------------------------------
5 /*!
6 	\file EntryList.cpp
7 	BEntryList implementation.
8 */
9 
10 #include <EntryList.h>
11 
12 
13 // constructor
14 //!	Creates a BEntryList.
15 /*!	Does nothing at this time.
16 */
17 BEntryList::BEntryList()
18 {
19 }
20 
21 
22 // destructor
23 //!	Frees all resources associated with this BEntryList.
24 /*!	Does nothing at this time.
25 */
26 BEntryList::~BEntryList()
27 {
28 }
29 
30 
31 // GetNextEntry
32 /*!	\fn status_t BEntryList::GetNextEntry(BEntry *entry, bool traverse)
33 	\brief Returns the BEntryList's next entry as a BEntry.
34 	Places the next entry in the list in \a entry, traversing symlinks if
35 	\a traverse is \c true.
36 	\param entry a pointer to a BEntry to be initialized with the found entry
37 	\param traverse specifies whether to follow it, if the found entry
38 		   is a symbolic link.
39 	\note The iterator used by this method is the same one used by
40 		  GetNextRef(), GetNextDirents(), Rewind() and CountEntries().
41 	\return
42 	- \c B_OK if successful,
43 	- \c B_ENTRY_NOT_FOUND when at the end of the list,
44 	- another error code (depending on the implementation of the derived class)
45 	  if an error occured.
46 */
47 
48 // GetNextRef
49 /*!	\fn status_t BEntryList::GetNextRef(entry_ref *ref)
50 	\brief Returns the BEntryList's next entry as an entry_ref.
51 	Places an entry_ref to the next entry in the list into \a ref.
52 	\param ref a pointer to an entry_ref to be filled in with the data of the
53 		   found entry
54 	\note The iterator used by this method is the same one used by
55 		  GetNextEntry(), GetNextDirents(), Rewind() and CountEntries().
56 	\return
57 	- \c B_OK if successful,
58 	- \c B_ENTRY_NOT_FOUND when at the end of the list,
59 	- another error code (depending on the implementation of the derived class)
60 	  if an error occured.
61 */
62 
63 // GetNextDirents
64 /*!	\fn int32 BEntryList::GetNextDirents(struct dirent *buf, size_t length, int32 count)
65 	\brief Returns the BEntryList's next entries as dirent structures.
66 	Reads a number of entries into the array of dirent structures pointed to by
67 	\a buf. Reads as many but no more than \a count entries, as many entries as
68 	remain, or as many entries as will fit into the array at \a buf with given
69 	length \a length (in bytes), whichever is smallest.
70 	\param buf a pointer to a buffer to be filled with dirent structures of
71 		   the found entries
72 	\param length the maximal number of entries to be read.
73 	\note The iterator used by this method is the same one used by
74 		  GetNextEntry(), GetNextRef(), Rewind() and CountEntries().
75 	\return
76 	- The number of dirent structures stored in the buffer, 0 when there are
77 	  no more entries to be read.
78 	- an error code (depending on the implementation of the derived class)
79 	  if an error occured.
80 */
81 
82 // Rewind
83 /*!	\fn status_t BEntryList::Rewind()
84 	\brief Rewinds the list pointer to the beginning of the list.
85 	\return
86 	- \c B_OK if successful,
87 	- an error code (depending on the implementation of the derived class)
88 	  if an error occured.
89 */
90 
91 // CountEntries
92 /*!	\fn int32 BEntryList::CountEntries()
93 	\brief Returns the number of entries in the list
94 	\return
95 	- the number of entries in the list,
96 	- an error code (depending on the implementation of the derived class)
97 	  if an error occured.
98 */
99 
100 
101 /*! Currently unused */
102 void BEntryList::_ReservedEntryList1() {}
103 void BEntryList::_ReservedEntryList2() {}
104 void BEntryList::_ReservedEntryList3() {}
105 void BEntryList::_ReservedEntryList4() {}
106 void BEntryList::_ReservedEntryList5() {}
107 void BEntryList::_ReservedEntryList6() {}
108 void BEntryList::_ReservedEntryList7() {}
109 void BEntryList::_ReservedEntryList8() {}
110