/
platform_beos.cpp
250 lines (202 loc) · 6.57 KB
1
2
3
/*
* BeOS platform-dependent support routines for PhysicsFS.
*
4
* Please see the file LICENSE.txt in the source's root directory.
5
6
7
8
*
* This file written by Ryan C. Gordon.
*/
9
10
11
12
#define __PHYSICSFS_INTERNAL__
#include "physfs_platforms.h"
#ifdef PHYSFS_PLATFORM_BEOS
13
14
15
16
17
18
19
20
21
22
23
24
25
#ifdef PHYSFS_PLATFORM_HAIKU
#include <os/kernel/OS.h>
#include <os/app/Roster.h>
#include <os/storage/Volume.h>
#include <os/storage/VolumeRoster.h>
#include <os/storage/Directory.h>
#include <os/storage/Entry.h>
#include <os/storage/Path.h>
#include <os/kernel/fs_info.h>
#include <os/device/scsi.h>
#include <os/support/Locker.h>
#else
26
27
28
29
30
31
32
33
34
#include <be/kernel/OS.h>
#include <be/app/Roster.h>
#include <be/storage/Volume.h>
#include <be/storage/VolumeRoster.h>
#include <be/storage/Directory.h>
#include <be/storage/Entry.h>
#include <be/storage/Path.h>
#include <be/kernel/fs_info.h>
#include <be/device/scsi.h>
35
#include <be/support/Locker.h>
36
#endif
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
#include <errno.h>
#include <unistd.h>
#include "physfs_internal.h"
int __PHYSFS_platformInit(void)
{
return(1); /* always succeed. */
} /* __PHYSFS_platformInit */
int __PHYSFS_platformDeinit(void)
{
return(1); /* always succeed. */
} /* __PHYSFS_platformDeinit */
static char *getMountPoint(const char *devname)
{
BVolumeRoster mounts;
BVolume vol;
mounts.Rewind();
while (mounts.GetNextVolume(&vol) == B_NO_ERROR)
{
fs_info fsinfo;
fs_stat_dev(vol.Device(), &fsinfo);
if (strcmp(devname, fsinfo.device_name) == 0)
{
//char buf[B_FILE_NAME_LENGTH];
BDirectory directory;
BEntry entry;
BPath path;
status_t rc;
rc = vol.GetRootDirectory(&directory);
74
BAIL_IF_MACRO(rc < B_OK, strerror(rc), NULL);
75
rc = directory.GetEntry(&entry);
76
BAIL_IF_MACRO(rc < B_OK, strerror(rc), NULL);
77
rc = entry.GetPath(&path);
78
BAIL_IF_MACRO(rc < B_OK, strerror(rc), NULL);
79
80
const char *str = path.Path();
BAIL_IF_MACRO(str == NULL, ERR_OS_ERROR, NULL); /* ?! */
81
char *retval = (char *) allocator.Malloc(strlen(str) + 1);
82
83
84
85
86
87
88
89
90
91
92
93
94
95
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
strcpy(retval, str);
return(retval);
} /* if */
} /* while */
return(NULL);
} /* getMountPoint */
/*
* This function is lifted from Simple Directmedia Layer (SDL):
* http://www.libsdl.org/
*/
96
static void tryDir(const char *d, PHYSFS_StringCallback callback, void *data)
97
98
{
BDirectory dir;
99
dir.SetTo(d);
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
if (dir.InitCheck() != B_NO_ERROR)
return;
dir.Rewind();
BEntry entry;
while (dir.GetNextEntry(&entry) >= 0)
{
BPath path;
const char *name;
entry_ref e;
if (entry.GetPath(&path) != B_NO_ERROR)
continue;
name = path.Path();
if (entry.GetRef(&e) != B_NO_ERROR)
continue;
if (entry.IsDirectory())
{
if (strcmp(e.name, "floppy") != 0)
122
tryDir(name, callback, data);
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
} /* if */
else
{
bool add_it = false;
int devfd;
device_geometry g;
if (strcmp(e.name, "raw") == 0) /* ignore partitions. */
{
int devfd = open(name, O_RDONLY);
if (devfd >= 0)
{
if (ioctl(devfd, B_GET_GEOMETRY, &g, sizeof(g)) >= 0)
{
if (g.device_type == B_CD)
{
char *mntpnt = getMountPoint(name);
if (mntpnt != NULL)
142
143
{
callback(data, mntpnt);
144
allocator.Free(mntpnt); /* !!! FIXME: lose this malloc! */
145
} /* if */
146
147
148
149
150
151
152
153
154
155
156
} /* if */
} /* if */
} /* if */
} /* if */
close(devfd);
} /* else */
} /* while */
} /* tryDir */
157
void __PHYSFS_platformDetectAvailableCDs(PHYSFS_StringCallback cb, void *data)
158
{
159
tryDir("/dev/disk", cb, data);
160
161
162
163
164
165
166
167
168
} /* __PHYSFS_platformDetectAvailableCDs */
static team_id getTeamID(void)
{
thread_info info;
thread_id tid = find_thread(NULL);
get_thread_info(tid, &info);
return(info.team);
169
} /* getTeamID */
170
171
172
173
174
175
176
177
char *__PHYSFS_platformCalcBaseDir(const char *argv0)
{
/* in case there isn't a BApplication yet, we'll construct a roster. */
BRoster roster;
app_info info;
status_t rc = roster.GetRunningAppInfo(getTeamID(), &info);
178
BAIL_IF_MACRO(rc < B_OK, strerror(rc), NULL);
179
180
181
182
183
184
185
186
BEntry entry(&(info.ref), true);
BPath path;
rc = entry.GetPath(&path); /* (path) now has binary's path. */
assert(rc == B_OK);
rc = path.GetParent(&path); /* chop filename, keep directory. */
assert(rc == B_OK);
const char *str = path.Path();
assert(str != NULL);
187
char *retval = (char *) allocator.Malloc(strlen(str) + 1);
188
189
190
191
192
193
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
strcpy(retval, str);
return(retval);
} /* __PHYSFS_platformCalcBaseDir */
194
void *__PHYSFS_platformGetThreadID(void)
195
{
196
return((void *) find_thread(NULL));
197
198
199
200
201
} /* __PHYSFS_platformGetThreadID */
char *__PHYSFS_platformRealPath(const char *path)
{
202
BPath normalized(path, NULL, true); /* force normalization of path. */
203
const char *resolved_path = normalized.Path();
204
BAIL_IF_MACRO(resolved_path == NULL, ERR_NO_SUCH_FILE, NULL);
205
char *retval = (char *) allocator.Malloc(strlen(resolved_path) + 1);
206
207
208
209
210
211
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
strcpy(retval, resolved_path);
return(retval);
} /* __PHYSFS_platformRealPath */
212
213
214
215
216
217
char *__PHYSFS_platformCurrentDir(void)
{
return(__PHYSFS_platformRealPath(".")); /* let BPath sort it out. */
} /* __PHYSFS_platformCurrentDir */
218
219
void *__PHYSFS_platformCreateMutex(void)
{
220
return(new BLocker("PhysicsFS lock", true));
221
222
223
224
225
} /* __PHYSFS_platformCreateMutex */
void __PHYSFS_platformDestroyMutex(void *mutex)
{
226
delete ((BLocker *) mutex);
227
228
229
230
231
} /* __PHYSFS_platformDestroyMutex */
int __PHYSFS_platformGrabMutex(void *mutex)
{
232
return ((BLocker *) mutex)->Lock() ? 1 : 0;
233
234
235
236
237
} /* __PHYSFS_platformGrabMutex */
void __PHYSFS_platformReleaseMutex(void *mutex)
{
238
((BLocker *) mutex)->Unlock();
239
240
} /* __PHYSFS_platformReleaseMutex */
241
242
243
244
245
246
int __PHYSFS_platformSetDefaultAllocator(PHYSFS_Allocator *a)
{
return(0); /* just use malloc() and friends. */
} /* __PHYSFS_platformSetDefaultAllocator */
247
#endif /* PHYSFS_PLATFORM_BEOS */
248
249
/* end of beos.cpp ... */