physfs/src/physfs_platform_haiku.cpp

187 lines
4.6 KiB
C++
Raw Normal View History

2002-05-24 11:46:43 +02:00
/*
* Haiku platform-dependent support routines for PhysicsFS.
2002-05-24 11:46:43 +02:00
*
2007-03-11 11:10:28 +01:00
* Please see the file LICENSE.txt in the source's root directory.
2002-05-24 11:46:43 +02:00
*
* This file written by Ryan C. Gordon.
*/
#define __PHYSICSFS_INTERNAL__
#include "physfs_platforms.h"
2008-11-05 20:42:48 +01:00
#ifdef PHYSFS_PLATFORM_HAIKU
2008-11-05 20:42:48 +01:00
#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>
2002-05-24 11:46:43 +02:00
#include <errno.h>
#include <unistd.h>
#include "physfs_internal.h"
int __PHYSFS_platformInit(void)
{
return 1; /* always succeed. */
2002-05-24 11:46:43 +02:00
} /* __PHYSFS_platformInit */
void __PHYSFS_platformDeinit(void)
2002-05-24 11:46:43 +02:00
{
/* no-op */
2002-05-24 11:46:43 +02:00
} /* __PHYSFS_platformDeinit */
static char *getMountPoint(const char *devname, char *buf, size_t bufsize)
2002-05-24 11:46:43 +02:00
{
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;
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;
2002-05-24 11:46:43 +02:00
} /* if */
} /* while */
return NULL;
2002-05-24 11:46:43 +02:00
} /* getMountPoint */
/*
* This function is lifted from Simple Directmedia Layer (SDL):
2016-02-25 08:51:28 +01:00
* https://www.libsdl.org/ ... this is zlib-licensed code, too.
2002-05-24 11:46:43 +02:00
*/
static void tryDir(const char *d, PHYSFS_StringCallback callback, void *data)
2002-05-24 11:46:43 +02:00
{
BDirectory dir;
dir.SetTo(d);
2002-05-24 11:46:43 +02:00
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, callback, data);
continue;
2002-05-24 11:46:43 +02:00
} /* if */
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);
2002-05-24 11:46:43 +02:00
} /* while */
} /* tryDir */
void __PHYSFS_platformDetectAvailableCDs(PHYSFS_StringCallback cb, void *data)
2002-05-24 11:46:43 +02:00
{
tryDir("/dev/disk", cb, data);
2002-05-24 11:46:43 +02:00
} /* __PHYSFS_platformDetectAvailableCDs */
static team_id getTeamID(void)
{
thread_info info;
thread_id tid = find_thread(NULL);
get_thread_info(tid, &info);
return info.team;
} /* getTeamID */
2002-05-24 11:46:43 +02:00
char *__PHYSFS_platformCalcBaseDir(const char *argv0)
{
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);
2002-05-24 11:46:43 +02:00
BPath path;
status_t rc = entry.GetPath(&path); /* (path) now has binary's path. */
2002-05-24 11:46:43 +02:00
assert(rc == B_OK);
rc = path.GetParent(&path); /* chop filename, keep directory. */
assert(rc == B_OK);
const char *str = path.Path();
assert(str != NULL);
2012-03-24 05:26:04 +01:00
const size_t len = strlen(str);
char *retval = (char *) allocator.Malloc(len + 2);
BAIL_IF(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
2002-05-24 11:46:43 +02:00
strcpy(retval, str);
2012-03-24 05:26:04 +01:00
retval[len] = '/';
retval[len+1] = '\0';
return retval;
2002-05-24 11:46:43 +02:00
} /* __PHYSFS_platformCalcBaseDir */
2012-03-22 04:30:50 +01:00
char *__PHYSFS_platformCalcPrefDir(const char *org, const char *app)
{
const char *userdir = __PHYSFS_getUserDir();
const char *append = "config/settings/";
const size_t len = strlen(userdir) + strlen(append) + strlen(app) + 2;
2017-07-10 02:50:48 +02:00
char *retval = (char *) allocator.Malloc(len);
BAIL_IF(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
snprintf(retval, len, "%s%s%s/", userdir, append, app);
2012-03-22 04:30:50 +01:00
return retval;
} /* __PHYSFS_platformCalcPrefDir */
#endif /* PHYSFS_PLATFORM_HAIKU */
2002-05-24 11:46:43 +02:00
2017-07-22 19:19:57 +02:00
/* end of physfs_platform_haiku.cpp ... */
2002-05-24 11:46:43 +02:00