pfsnumfiles.c
1.67 KB
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/**************************************************************************
* *
* Copyright (C) 1995, Silicon Graphics, Inc. *
* *
* These coded instructions, statements, and computer programs contain *
* unpublished proprietary information of Silicon Graphics, Inc., and *
* are protected by Federal copyright law. They may not be disclosed *
* to third parties or copied or duplicated in any form, in whole or *
* in part, without the prior written consent of Silicon Graphics, Inc. *
* *
**************************************************************************/
#include "osint.h"
#include "controller.h"
s32
osPfsNumFiles(OSPfs *pfs, s32 *max_files, s32 *files_used)
{
int j;
s32 ret;
__OSDir dir;
int files = 0;
if (!(pfs->status & PFS_INITIALIZED))
return(PFS_ERR_INVALID);
if ((ret=__osCheckId(pfs)) != 0){
return(ret);
}
#ifdef _PFS_1M_EXTENSION
if ((ret = __osPfsSelectIdBank(pfs)) != 0) return(ret);
#else
if (pfs->activebank != 0) {
if ((ret = __osPfsSelectBank(pfs, 0)) != 0)
return(ret);
}
#endif
for (j = 0; j < pfs->dir_size; j++) {
if ((ret = __osContRamRead(pfs->queue, pfs->channel,
(u16)(pfs->dir_table + j), (u8 *)&dir)) != 0)
return(ret);
if ((dir.company_code != 0) && (dir.game_code != 0))
files++;
}
*files_used = (s32)files;
*max_files = (s32)pfs->dir_size;
ret = __osPfsGetStatus(pfs->queue, pfs->channel);
return(ret);
}