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physfs_platform_haiku.cpp
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physfs_platform_haiku.cpp
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/*
* Haiku platform-dependent support routines for PhysicsFS.
*
* Please see the file LICENSE.txt in the source's root directory.
*
* This file written by Ryan C. Gordon.
*/
#define __PHYSICSFS_INTERNAL__
#include "physfs_platforms.h"
#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 <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, char *buf, size_t bufsize)
{
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;
} /* if */
} /* while */
return NULL;
} /* getMountPoint */
/*
* This function is lifted from Simple Directmedia Layer (SDL):
* https://www.libsdl.org/ ... this is zlib-licensed code, too.
*/
static void tryDir(const char *d, PHYSFS_StringCallback callback, void *data)
{
BDirectory dir;
dir.SetTo(d);
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;
} /* if */
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);
} /* while */
} /* tryDir */
void __PHYSFS_platformDetectAvailableCDs(PHYSFS_StringCallback cb, void *data)
{
tryDir("/dev/disk", cb, data);
} /* __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 */
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);
BPath path;
status_t 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);
const size_t len = strlen(str);
char *retval = (char *) allocator.Malloc(len + 2);
BAIL_IF(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
strcpy(retval, str);
retval[len] = '/';
retval[len+1] = '\0';
return retval;
} /* __PHYSFS_platformCalcBaseDir */
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;
char *retval = (char *) allocator.Malloc(len);
BAIL_IF(!retval, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
snprintf(retval, len, "%s%s%s/", userdir, append, app);
return retval;
} /* __PHYSFS_platformCalcPrefDir */
#endif /* PHYSFS_PLATFORM_HAIKU */
/* end of physfs_platform_haiku.cpp ... */