1 /*
2 * Copyright 2003, 2004 Martin Fuchs
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19
20 //
21 // Explorer clone
22 //
23 // unixfs.cpp
24 //
25 // Martin Fuchs, 23.07.2003
26 //
27
28
29 #ifdef __WINE__
30
31 #include <precomp.h>
32
33 //#include "unixfs.h"
34
35 // for UnixDirectory::read_directory()
36 #include <dirent.h>
37 #include <sys/stat.h>
38 #include <time.h>
39
40
read_directory()41 void UnixDirectory::read_directory()
42 {
43 Entry* first_entry = NULL;
44 Entry* last = NULL;
45 Entry* entry;
46
47 int level = _level + 1;
48
49 LPCTSTR path = (LPCTSTR)_path;
50 DIR* pdir = opendir(path);
51
52 if (pdir) {
53 struct stat st;
54 struct dirent* ent;
55 TCHAR buffer[MAX_PATH], *p;
56
57 for(p=buffer; *path; )
58 *p++ = *path++;
59
60 if (p==buffer || p[-1]!='/')
61 *p++ = '/';
62
63 while((ent=readdir(pdir))) {
64 int statres = stat(buffer, &st);
65
66 if (!statres && S_ISDIR(st.st_mode))
67 entry = new UnixDirectory(this, buffer);
68 else
69 entry = new UnixEntry(this);
70
71 if (!first_entry)
72 first_entry = entry;
73
74 if (last)
75 last->_next = entry;
76
77 lstrcpy(entry->_data.cFileName, ent->d_name);
78 entry->_data.dwFileAttributes = ent->d_name[0]=='.'? FILE_ATTRIBUTE_HIDDEN: 0;
79
80 strcpy(p, ent->d_name);
81
82 if (!statres) {
83 if (S_ISDIR(st.st_mode))
84 entry->_data.dwFileAttributes |= FILE_ATTRIBUTE_DIRECTORY;
85
86 entry->_data.nFileSizeLow = st.st_size & 0xFFFFFFFF;
87 entry->_data.nFileSizeHigh = st.st_size >> 32;
88
89 memset(&entry->_data.ftCreationTime, 0, sizeof(FILETIME));
90 time_to_filetime(&st.st_atime, &entry->_data.ftLastAccessTime);
91 time_to_filetime(&st.st_mtime, &entry->_data.ftLastWriteTime);
92
93 entry->_bhfi.nFileIndexLow = ent->d_ino;
94 entry->_bhfi.nFileIndexHigh = 0;
95
96 entry->_bhfi.nNumberOfLinks = st.st_nlink;
97
98 entry->_bhfi_valid = TRUE;
99 } else {
100 entry->_data.nFileSizeLow = 0;
101 entry->_data.nFileSizeHigh = 0;
102 entry->_bhfi_valid = FALSE;
103 }
104
105 entry->_up = this;
106 entry->_expanded = FALSE;
107 entry->_scanned = FALSE;
108 entry->_level = level;
109
110 last = entry;
111 }
112
113 last->_next = NULL;
114
115 closedir(pdir);
116 }
117
118 _down = first_entry;
119 _scanned = true;
120 }
121
122
get_next_path_component(const void * p)123 const void* UnixDirectory::get_next_path_component(const void* p)
124 {
125 LPCTSTR s = (LPCTSTR) p;
126
127 while(*s && *s!=TEXT('/'))
128 ++s;
129
130 while(*s == TEXT('/'))
131 ++s;
132
133 if (!*s)
134 return NULL;
135
136 return s;
137 }
138
139
find_entry(const void * p)140 Entry* UnixDirectory::find_entry(const void* p)
141 {
142 LPCTSTR name = (LPCTSTR)p;
143
144 for(Entry*entry=_down; entry; entry=entry->_next) {
145 LPCTSTR p = name;
146 LPCTSTR q = entry->_data.cFileName;
147
148 do {
149 if (!*p || *p==TEXT('/'))
150 return entry;
151 } while(*p++ == *q++);
152 }
153
154 return NULL;
155 }
156
157
158 // get full path of specified directory entry
get_path(PTSTR path,size_t path_count) const159 bool UnixEntry::get_path(PTSTR path, size_t path_count) const
160 {
161 int level = 0;
162 size_t len = 0;
163
164 if (!path || path_count==0)
165 return false;
166
167 if ( path_count > 1 )
168 {
169 for(const Entry* entry=this; entry; level++) {
170 LPCTSTR name = entry->_data.cFileName;
171 size_t l = 0;
172
173 for(LPCTSTR s=name; *s && *s!=TEXT('/'); s++)
174 ++l;
175
176 if (entry->_up) {
177 if (l > 0) {
178 if ( len+l+1 >= path_count )
179 {
180 /* compare to 2 here because of terminator plus the '\\' we prepend */
181 if ( l + 2 > path_count )
182 len = 0;
183 else
184 len = path_count - l - 2;
185 }
186 memmove(path+l+1, path, len*sizeof(TCHAR));
187 /* compare to 2 here because of terminator plus the '\\' we prepend */
188 if ( l+2 >= path_count )
189 l = path_count - 2;
190 memcpy(path+1, name, l*sizeof(TCHAR));
191 len += l+1;
192
193 path[0] = TEXT('/');
194 }
195
196 entry = entry->_up;
197 } else {
198 if ( len+l >= path_count )
199 {
200 if ( l + 1 > path_count )
201 len = 0;
202 else
203 len = path_count - l - 1;
204 }
205 memmove(path+l, path, len*sizeof(TCHAR));
206 if ( l+1 >= path_count )
207 l = path_count - 1;
208 memcpy(path, name, l*sizeof(TCHAR));
209 len += l;
210 break;
211 }
212 }
213
214 if ( !level && (len+1 < path_count) )
215 path[len++] = TEXT('/');
216 }
217
218 path[len] = TEXT('\0');
219
220 return true;
221 }
222
223 #endif // __WINE__
224