1 /*
2  * Directory utility functions.
3  *
4  * Author:
5  *   Gonzalo Paniagua Javier (gonzalo@novell.com)
6  *
7  * (C) 2006 Novell, Inc.
8  *
9  * Permission is hereby granted, free of charge, to any person obtaining
10  * a copy of this software and associated documentation files (the
11  * "Software"), to deal in the Software without restriction, including
12  * without limitation the rights to use, copy, modify, merge, publish,
13  * distribute, sublicense, and/or sell copies of the Software, and to
14  * permit persons to whom the Software is furnished to do so, subject to
15  * the following conditions:
16  *
17  * The above copyright notice and this permission notice shall be
18  * included in all copies or substantial portions of the Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27  */
28 #include <glib.h>
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <errno.h>
32 #include <sys/types.h>
33 #include <sys/stat.h>
34 #include <io.h>
35 
36 #include <winsock2.h>
37 
38 struct _GDir {
39 	HANDLE handle;
40 	gchar* current;
41 	gchar* next;
42 };
43 
44 GDir *
g_dir_open(const gchar * path,guint flags,GError ** error)45 g_dir_open (const gchar *path, guint flags, GError **error)
46 {
47 	GDir *dir;
48 	gunichar2* path_utf16;
49 	gunichar2* path_utf16_search;
50 	WIN32_FIND_DATAW find_data;
51 
52 	g_return_val_if_fail (path != NULL, NULL);
53 	g_return_val_if_fail (error == NULL || *error == NULL, NULL);
54 
55 	dir = g_new0 (GDir, 1);
56 	path_utf16 = u8to16 (path);
57 	path_utf16_search = g_malloc ((wcslen((wchar_t *) path_utf16) + 3)*sizeof(gunichar2));
58 	wcscpy (path_utf16_search, path_utf16);
59 	wcscat (path_utf16_search, L"\\*");
60 
61 	dir->handle = FindFirstFileW (path_utf16_search, &find_data);
62 	if (dir->handle == INVALID_HANDLE_VALUE) {
63 		if (error) {
64 			gint err = errno;
65 			*error = g_error_new (G_LOG_DOMAIN, g_file_error_from_errno (err), strerror (err));
66 		}
67 		g_free (path_utf16_search);
68 		g_free (path_utf16);
69 		g_free (dir);
70 		return NULL;
71 	}
72 	g_free (path_utf16_search);
73 	g_free (path_utf16);
74 
75 	while ((wcscmp ((wchar_t *) find_data.cFileName, L".") == 0) || (wcscmp ((wchar_t *) find_data.cFileName, L"..") == 0)) {
76 		if (!FindNextFileW (dir->handle, &find_data)) {
77 			if (error) {
78 				gint err = errno;
79 				*error = g_error_new (G_LOG_DOMAIN, g_file_error_from_errno (err), strerror (err));
80 			}
81 			g_free (dir);
82 			return NULL;
83 		}
84 	}
85 
86 	dir->current = NULL;
87 	dir->next = u16to8 (find_data.cFileName);
88 	return dir;
89 }
90 
91 const gchar *
g_dir_read_name(GDir * dir)92 g_dir_read_name (GDir *dir)
93 {
94 	WIN32_FIND_DATAW find_data;
95 
96 	g_return_val_if_fail (dir != NULL && dir->handle != 0, NULL);
97 
98 	if (dir->current)
99 		g_free (dir->current);
100 	dir->current = NULL;
101 
102 	dir->current = dir->next;
103 
104 	if (!dir->current)
105 		return NULL;
106 
107 	dir->next = NULL;
108 
109 	do {
110 		if (!FindNextFileW (dir->handle, &find_data)) {
111 			dir->next = NULL;
112 			return dir->current;
113 		}
114 	} while ((wcscmp ((wchar_t *) find_data.cFileName, L".") == 0) || (wcscmp ((wchar_t *) find_data.cFileName, L"..") == 0));
115 
116 	dir->next = u16to8 (find_data.cFileName);
117 	return dir->current;
118 }
119 
120 void
g_dir_rewind(GDir * dir)121 g_dir_rewind (GDir *dir)
122 {
123 }
124 
125 void
g_dir_close(GDir * dir)126 g_dir_close (GDir *dir)
127 {
128 	g_return_if_fail (dir != NULL && dir->handle != 0);
129 
130 	if (dir->current)
131 		g_free (dir->current);
132 	dir->current = NULL;
133 	if (dir->next)
134 		g_free (dir->next);
135 	dir->next = NULL;
136 	FindClose (dir->handle);
137 	dir->handle = 0;
138 	g_free (dir);
139 }
140 
141 
142