--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/platform/beos.cpp Fri May 24 09:46:43 2002 +0000
@@ -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 ... */
+