beos.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
/*
* BeOS platform-dependent support routines for PhysicsFS.
*
* Please see the file LICENSE in the source's root directory.
*
* This file written by Ryan C. Gordon.
*/
#if HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef __BEOS__
#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>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include <unistd.h>
#define __PHYSICSFS_INTERNAL__
#include "physfs_internal.h"
const char *__PHYSFS_platformDirSeparator = "/";
/* !!! FIXME: does strerror() work for non-POSIX api calls? */
#define get_error_str(x) strerror(x)
int __PHYSFS_platformInit(void)
{
return(1); /* always succeed. */
} /* __PHYSFS_platformInit */
int __PHYSFS_platformDeinit(void)
{
return(1); /* always succeed. */
} /* __PHYSFS_platformDeinit */
/* caller needs to malloc() mntpnt, and expect us to free() it. */
static void addDisc(char *mntpnt, char ***discs, int *disccount)
{
char **tmp = (char **) realloc(*discs, sizeof (char *) * (*disccount + 1));
if (tmp)
{
tmp[*disccount - 1] = mntpnt;
*discs = tmp;
(*disccount)++;
} /* if */
} /* addDisc */
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);
BAIL_IF_MACRO(rc < B_OK, get_error_str(rc), NULL);
rc = directory.GetEntry(&entry);
BAIL_IF_MACRO(rc < B_OK, get_error_str(rc), NULL);
rc = entry.GetPath(&path);
BAIL_IF_MACRO(rc < B_OK, get_error_str(rc), NULL);
const char *str = path.Path();
BAIL_IF_MACRO(str == NULL, ERR_OS_ERROR, NULL); /* ?! */
char *retval = (char *) malloc(strlen(str) + 1);
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/
*/
static void tryDir(const char *dirname, char ***discs, int *disccount)
{
BDirectory dir;
dir.SetTo(dirname);
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)
tryDir(name, discs, disccount);
} /* 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)
addDisc(mntpnt, discs, disccount);
} /* if */
} /* if */
} /* if */
} /* if */
close(devfd);
} /* else */
} /* while */
} /* tryDir */
char **__PHYSFS_platformDetectAvailableCDs(void)
{
char **retval = (char **) malloc(sizeof (char *));
int cd_count = 1; /* We count the NULL entry. */
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
tryDir("/dev/disk", &retval, &cd_count);
retval[cd_count - 1] = NULL;
return(retval);
} /* __PHYSFS_platformDetectAvailableCDs */
static team_id getTeamID(void)
{
thread_info info;
thread_id tid = find_thread(NULL);
get_thread_info(tid, &info);
return(info.team);
} /* getMyTeamID */
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);
BAIL_IF_MACRO(rc < B_OK, get_error_str(rc), NULL);
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);
char *retval = (char *) malloc(strlen(str) + 1);
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
strcpy(retval, str);
return(retval);
} /* __PHYSFS_platformCalcBaseDir */
PHYSFS_uint64 __PHYSFS_platformGetThreadID(void)
{
return((PHYSFS_uint64) find_thread(NULL));
} /* __PHYSFS_platformGetThreadID */
/* Much like my college days, try to sleep for 10 milliseconds at a time... */
void __PHYSFS_platformTimeslice(void)
{
snooze(10000); /* put thread to sleep for 10 milliseconds. */
} /* __PHYSFS_platformTimeslice */
char *__PHYSFS_platformRealPath(const char *path)
{
char *str = (char *) alloca(strlen(path) + 1);
BAIL_IF_MACRO(str == NULL, ERR_OUT_OF_MEMORY, NULL);
strcpy(str, path);
char *leaf = strrchr(str, '/');
if (leaf != NULL)
*(leaf++) = '\0';
BPath normalized(str, leaf, true); /* force normalization of path. */
const char *resolved_path = normalized.Path();
BAIL_IF_MACRO(resolved_path == NULL, ERR_FILE_NOT_FOUND, NULL);
char *retval = (char *) malloc(strlen(resolved_path) + 1);
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
strcpy(retval, resolved_path);
return(retval);
} /* __PHYSFS_platformRealPath */
void *__PHYSFS_platformCreateMutex(void)
{
sem_id *retval = (sem_id *) malloc(sizeof (sem_id));
sem_id rc;
BAIL_IF_MACRO(retval == NULL, ERR_OUT_OF_MEMORY, NULL);
rc = create_sem(1, "PhysicsFS semaphore");
if (rc < B_OK)
{
free(retval);
BAIL_MACRO(get_error_str(rc), NULL);
} // if
*retval = rc;
return(retval);
} /* __PHYSFS_platformCreateMutex */
void __PHYSFS_platformDestroyMutex(void *mutex)
{
delete_sem( *((sem_id *) mutex) );
free(mutex);
} /* __PHYSFS_platformDestroyMutex */
int __PHYSFS_platformGrabMutex(void *mutex)
{
status_t rc = acquire_sem(*((sem_id *) mutex));
BAIL_IF_MACRO(rc < B_OK, get_error_str(rc), 0);
return(1);
} /* __PHYSFS_platformGrabMutex */
void __PHYSFS_platformReleaseMutex(void *mutex)
{
release_sem(*((sem_id *) mutex));
} /* __PHYSFS_platformReleaseMutex */
#endif
/* end of beos.cpp ... */