Commit | Line | Data |
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dbb605f5 | 1 | /* Copyright (C) 2001, 2006, 2008 Free Software Foundation, Inc. |
8dd6dfdc | 2 | * |
73be1d9e MV |
3 | * This library is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
8dd6dfdc | 7 | * |
73be1d9e MV |
8 | * This library is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * Lesser General Public License for more details. | |
8dd6dfdc | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
92205699 | 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
73be1d9e | 16 | */ |
8dd6dfdc | 17 | |
dbb605f5 LC |
18 | #ifdef HAVE_CONFIG_H |
19 | # include <config.h> | |
20 | #endif | |
21 | ||
8dd6dfdc MV |
22 | #include "libguile/__scm.h" |
23 | ||
24 | #include <windows.h> | |
25 | #include <stdio.h> | |
26 | #include <string.h> | |
27 | ||
21e11a3b | 28 | #include "win32-dirent.h" |
8dd6dfdc MV |
29 | |
30 | DIR * | |
31 | opendir (const char * name) | |
32 | { | |
33 | DIR *dir; | |
34 | HANDLE hnd; | |
35 | char *file; | |
36 | WIN32_FIND_DATA find; | |
37 | ||
38 | if (!name || !*name) | |
39 | return NULL; | |
2e945bcc | 40 | file = malloc (strlen (name) + 3); |
8dd6dfdc MV |
41 | strcpy (file, name); |
42 | if (file[strlen (name) - 1] != '/' && file[strlen (name) - 1] != '\\') | |
43 | strcat (file, "/*"); | |
44 | else | |
45 | strcat (file, "*"); | |
46 | ||
47 | if ((hnd = FindFirstFile (file, &find)) == INVALID_HANDLE_VALUE) | |
48 | { | |
49 | free (file); | |
50 | return NULL; | |
51 | } | |
52 | ||
2e945bcc | 53 | dir = malloc (sizeof (DIR)); |
8dd6dfdc MV |
54 | dir->mask = file; |
55 | dir->fd = (int) hnd; | |
2e945bcc | 56 | dir->data = malloc (sizeof (WIN32_FIND_DATA)); |
8dd6dfdc MV |
57 | dir->allocation = sizeof (WIN32_FIND_DATA); |
58 | dir->size = dir->allocation; | |
59 | dir->filepos = 0; | |
60 | memcpy (dir->data, &find, sizeof (WIN32_FIND_DATA)); | |
61 | return dir; | |
62 | } | |
63 | ||
64 | struct dirent * | |
65 | readdir (DIR * dir) | |
66 | { | |
67 | static struct dirent entry; | |
68 | WIN32_FIND_DATA *find; | |
69 | ||
70 | entry.d_ino = 0; | |
71 | entry.d_type = 0; | |
72 | find = (WIN32_FIND_DATA *) dir->data; | |
73 | ||
74 | if (dir->filepos) | |
75 | { | |
76 | if (!FindNextFile ((HANDLE) dir->fd, find)) | |
77 | return NULL; | |
78 | } | |
79 | ||
80 | entry.d_off = dir->filepos; | |
81 | strncpy (entry.d_name, find->cFileName, sizeof (entry.d_name)); | |
82 | entry.d_reclen = strlen (find->cFileName); | |
83 | dir->filepos++; | |
84 | return &entry; | |
85 | } | |
86 | ||
87 | int | |
88 | closedir (DIR * dir) | |
89 | { | |
90 | HANDLE hnd = (HANDLE) dir->fd; | |
91 | free (dir->data); | |
92 | free (dir->mask); | |
93 | free (dir); | |
94 | return FindClose (hnd) ? 0 : -1; | |
95 | } | |
96 | ||
97 | void | |
98 | rewinddir (DIR * dir) | |
99 | { | |
100 | HANDLE hnd = (HANDLE) dir->fd; | |
101 | WIN32_FIND_DATA *find = (WIN32_FIND_DATA *) dir->data; | |
102 | ||
103 | FindClose (hnd); | |
104 | hnd = FindFirstFile (dir->mask, find); | |
105 | dir->fd = (int) hnd; | |
106 | dir->filepos = 0; | |
107 | } | |
108 | ||
109 | void | |
110 | seekdir (DIR * dir, off_t offset) | |
111 | { | |
112 | off_t n; | |
113 | ||
114 | rewinddir (dir); | |
115 | for (n = 0; n < offset; n++) | |
116 | { | |
117 | if (FindNextFile ((HANDLE) dir->fd, (WIN32_FIND_DATA *) dir->data)) | |
118 | dir->filepos++; | |
119 | } | |
120 | } | |
121 | ||
122 | off_t | |
123 | telldir (DIR * dir) | |
124 | { | |
125 | return dir->filepos; | |
126 | } | |
127 | ||
128 | int | |
129 | dirfd (DIR * dir) | |
130 | { | |
131 | return dir->fd; | |
132 | } |