Files
smbfst/fstops/GetDevNumber.c
2024-07-14 13:48:45 -05:00

52 lines
1.5 KiB
C

/*
* Copyright (c) 2024 Stephen Heumann
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "defs.h"
#include <gsos.h>
#include <prodos.h>
#include "gsos/gsosdata.h"
#include "driver/driver.h"
#include "gsos/gsosutils.h"
Word GetDevNumber(void *pblock, struct GSOSDP *gsosdp, Word pcount) {
Word devNum = gsosdp->dev1Num;
if (devNum == 0) {
DIB *dib = GetDIB(gsosdp, 1);
if (dib == NULL) {
// TODO adjust error based on type of path (device or volume name?)
return devNotFound;
}
devNum = dib->DIBDevNum;
}
if (pcount == 0) {
#define pblock ((DevNumRec*)pblock)
pblock->devNum = devNum;
#undef pblock
} else {
#define pblock ((DevNumRecGS*)pblock)
pblock->devNum = devNum;
#undef pblock
}
return 0;
}