Import cdrtools-3.02/mkisofs/diag/scsi.c but it doesn't compile

This commit is contained in:
King_DuckZ 2020-03-03 16:43:35 +01:00
parent 9d53b7eeaa
commit b0e2658c15
2 changed files with 184 additions and 0 deletions

View file

@ -28,6 +28,7 @@ public_inc = include_directories('include')
libisoinfo = static_library(meson.project_name(),
'src/isoinfo.c',
'src/scsi.c',
dependencies: [cdrdeflt_dep],
install: false,
)

View file

@ -0,0 +1,183 @@
/* @(#)scsi.c 1.35 12/12/02 Copyright 1997-2012 J. Schilling */
#include <schily/mconfig.h>
#ifndef lint
static UConst char sccsid[] =
"@(#)scsi.c 1.35 12/12/02 Copyright 1997-2012 J. Schilling";
#endif
/*
* Copyright (c) 1997-2012 J. Schilling
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; see the file COPYING. If not, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef USE_SCG
#include <schily/stdio.h>
#include <schily/standard.h>
#include <schily/stdlib.h>
#include <schily/unistd.h>
#include <schily/schily.h>
#include "mkisofs.h"
#include <scg/scsireg.h>
#include <scg/scsitransp.h>
#include "libscgcmd.h"
#include "cdrdeflt.h"
/*
* NOTICE: You should not make BUF_SIZE more than
* the buffer size of the CD-Recorder.
*
* Do not set BUF_SIZE to be more than 126 KBytes
* if you are running cdrecord on a sun4c machine.
*
* WARNING: Philips CDD 521 dies if BUF_SIZE is to big.
*/
#define BUF_SIZE (62*1024) /* Must be a multiple of 2048 */
LOCAL SCSI *scgp;
LOCAL long bufsize; /* The size of the transfer buffer */
EXPORT int readsecs __PR((UInt32_t startsecno, void *buffer, int sectorcount));
EXPORT int scsidev_open __PR((char *path));
EXPORT int scsidev_close __PR((void));
EXPORT int
readsecs(startsecno, buffer, sectorcount)
UInt32_t startsecno;
void *buffer;
int sectorcount;
{
int f;
int secsize; /* The drive's SCSI sector size */
long amount; /* The number of bytes to be transfered */
long secno; /* The sector number to read from */
long secnum; /* The number of sectors to read */
char *bp;
long amt;
if (in_image == NULL) {
/*
* We are using the standard CD-ROM sectorsize of 2048 bytes
* while the drive may be switched to 512 bytes per sector.
*
* XXX We assume that secsize is no more than SECTOR_SIZE
* XXX and that SECTOR_SIZE / secsize is not a fraction.
*/
secsize = scgp->cap->c_bsize;
amount = sectorcount * SECTOR_SIZE;
secno = startsecno * (SECTOR_SIZE / secsize);
bp = buffer;
while (amount > 0) {
amt = amount;
if (amount > bufsize)
amt = bufsize;
secnum = amt / secsize;
if (read_scsi(scgp, bp, secno, secnum) < 0 ||
scg_getresid(scgp) != 0) {
#ifdef OLD
return (-1);
#else
comerr(_("Read error on old image\n"));
#endif
}
amount -= secnum * secsize;
bp += secnum * secsize;
secno += secnum;
}
return (SECTOR_SIZE * sectorcount);
}
f = fileno(in_image);
if (lseek(f, (off_t)startsecno * SECTOR_SIZE, SEEK_SET) == (off_t)-1) {
comerr(_("Seek error on old image\n"));
}
if ((amt = read(f, buffer, (sectorcount * SECTOR_SIZE)))
!= (sectorcount * SECTOR_SIZE)) {
if (ignerr) {
if (amt < 0)
amt = 0;
fillbytes(&((char *)buffer)[amt],
(sectorcount * SECTOR_SIZE) - amt, '\0');
return (sectorcount * SECTOR_SIZE); /* Should we cheat here too? */
}
if (amt < 0)
comerr(_("Read error on old image\n"));
comerrno(EX_BAD, _("Short read on old image\n")); /* < secnt aber > 0 */
}
return (sectorcount * SECTOR_SIZE);
}
EXPORT int
scsidev_open(path)
char *path;
{
char errstr[80];
char *buf; /* ignored, bit OS/2 ASPI layer needs memory which */
/* has been allocated by scsi_getbuf() */
/*
* Call scg_remote() to force loading the remote SCSI transport library
* code that is located in librscg instead of the dummy remote routines
* that are located inside libscg.
*/
scg_remote();
cdr_defaults(&path, NULL, NULL, NULL, NULL);
/* path, debug, verboseopen */
scgp = scg_open(path, errstr, sizeof (errstr), 0, 0);
if (scgp == 0) {
errmsg(_("%s%sCannot open SCSI driver.\n"), errstr, errstr[0]?". ":"");
return (-1);
}
bufsize = scg_bufsize(scgp, BUF_SIZE);
if ((buf = scg_getbuf(scgp, bufsize)) == NULL) {
errmsg(_("Cannot get SCSI I/O buffer.\n"));
scg_close(scgp);
return (-1);
}
bufsize = (bufsize / SECTOR_SIZE) * SECTOR_SIZE;
allow_atapi(scgp, TRUE);
if (!wait_unit_ready(scgp, 60)) { /* Eat Unit att / Wait for drive */
return (-1);
}
scgp->silent++;
read_capacity(scgp); /* Set Capacity/Sectorsize for I/O */
scgp->silent--;
return (1);
}
EXPORT int
scsidev_close()
{
if (in_image == NULL) {
return (scg_close(scgp));
} else {
return (fclose(in_image));
}
}
#endif /* USE_SCG */