platform_beos.cpp
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/*
* BeOS platform-dependent support routines for PhysicsFS.
*
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* Please see the file LICENSE.txt in the source's root directory.
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*
* This file written by Ryan C. Gordon.
*/
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#define __PHYSICSFS_INTERNAL__
#include "physfs_platforms.h"
#ifdef PHYSFS_PLATFORM_BEOS
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#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
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#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>
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#include <be/support/Locker.h>
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#endif
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#include <errno.h>
#include <unistd.h>
#include "physfs_internal.h"
int __PHYSFS_platformInit(void)
{
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return 1; /* always succeed. */
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} /* __PHYSFS_platformInit */
int __PHYSFS_platformDeinit(void)
{
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return 1; /* always succeed. */
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} /* __PHYSFS_platformDeinit */
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static char *getMountPoint(const char *devname, char *buf, size_t bufsize)
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{
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)
{
BDirectory directory;
BEntry entry;
BPath path;
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const char *str;
if ( (vol.GetRootDirectory(&directory) < B_OK) ||
(directory.GetEntry(&entry) < B_OK) ||
(entry.GetPath(&path) < B_OK) ||
( (str = path.Path()) == NULL) )
return NULL;
strncpy(buf, str, bufsize-1);
buf[bufsize-1] = '\0';
return buf;
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} /* if */
} /* while */
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return NULL;
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} /* getMountPoint */
/*
* This function is lifted from Simple Directmedia Layer (SDL):
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* http://www.libsdl.org/ ... this is zlib-licensed code, too.
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*/
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static void tryDir(const char *d, PHYSFS_StringCallback callback, void *data)
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{
BDirectory dir;
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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)
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tryDir(name, callback, data);
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continue;
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} /* if */
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if (strcmp(e.name, "raw") != 0) /* ignore partitions. */
continue;
const int devfd = open(name, O_RDONLY);
if (devfd < 0)
continue;
device_geometry g;
const int rc = ioctl(devfd, B_GET_GEOMETRY, &g, sizeof (g));
close(devfd);
if (rc < 0)
continue;
if (g.device_type != B_CD)
continue;
char mntpnt[B_FILE_NAME_LENGTH];
if (getMountPoint(name, mntpnt, sizeof (mntpnt)))
callback(data, mntpnt);
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} /* while */
} /* tryDir */
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void __PHYSFS_platformDetectAvailableCDs(PHYSFS_StringCallback cb, void *data)
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{
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tryDir("/dev/disk", cb, data);
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} /* __PHYSFS_platformDetectAvailableCDs */
static team_id getTeamID(void)
{
thread_info info;
thread_id tid = find_thread(NULL);
get_thread_info(tid, &info);
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return info.team;
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} /* getTeamID */
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char *__PHYSFS_platformCalcBaseDir(const char *argv0)
{
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image_info info;
int32 cookie = 0;
while (get_next_image_info(0, &cookie, &info) == B_OK)
{
if (info.type == B_APP_IMAGE)
break;
} /* while */
BEntry entry(info.name, true);
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BPath path;
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status_t rc = entry.GetPath(&path); /* (path) now has binary's path. */
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assert(rc == B_OK);
rc = path.GetParent(&path); /* chop filename, keep directory. */
assert(rc == B_OK);
const char *str = path.Path();
assert(str != NULL);
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char *retval = (char *) allocator.Malloc(strlen(str) + 2);
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BAIL_IF_MACRO(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
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strcpy(retval, str);
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strcat(retval, "/");
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return retval;
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} /* __PHYSFS_platformCalcBaseDir */
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char *__PHYSFS_platformCalcPrefDir(const char *org, const char *app)
{
const char *userdir = __PHYSFS_getUserDir();
const char *append = "config/settings/";
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const size_t len = strlen(userdir) + strlen(append) + strlen(app) + 2;
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char *retval = allocator.Malloc(len);
BAIL_IF_MACRO(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
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snprintf(retval, len, "%s%s%s/", userdir, append, app);
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return retval;
} /* __PHYSFS_platformCalcPrefDir */
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void *__PHYSFS_platformGetThreadID(void)
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{
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return (void *) find_thread(NULL);
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} /* __PHYSFS_platformGetThreadID */
void *__PHYSFS_platformCreateMutex(void)
{
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return new BLocker("PhysicsFS lock", true);
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} /* __PHYSFS_platformCreateMutex */
void __PHYSFS_platformDestroyMutex(void *mutex)
{
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delete ((BLocker *) mutex);
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} /* __PHYSFS_platformDestroyMutex */
int __PHYSFS_platformGrabMutex(void *mutex)
{
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return ((BLocker *) mutex)->Lock() ? 1 : 0;
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} /* __PHYSFS_platformGrabMutex */
void __PHYSFS_platformReleaseMutex(void *mutex)
{
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((BLocker *) mutex)->Unlock();
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} /* __PHYSFS_platformReleaseMutex */
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int __PHYSFS_platformSetDefaultAllocator(PHYSFS_Allocator *a)
{
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return 0; /* just use malloc() and friends. */
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} /* __PHYSFS_platformSetDefaultAllocator */
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#endif /* PHYSFS_PLATFORM_BEOS */
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/* end of beos.cpp ... */