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Initial add.
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icculus committed May 24, 2002
1 parent f835f26 commit 62e36b61f7346a92edce908074ca88b0f15788d2
Showing with 760 additions and 0 deletions.
  1. +5 −0 extras/.cvsignore
  2. +281 −0 platform/beos.cpp
  3. +474 −0 platform/posix.c
@@ -0,0 +1,5 @@
Makefile
.deps
.libs
Makefile.in

@@ -0,0 +1,281 @@
/*
* 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 ... */

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