コード例 #1
0
ファイル: ichar.c プロジェクト: carriercomm/plan9-gpl
void
Cputisopvd(Cdimg *cd, Cdinfo info)
{
	char buf[130];

	Cputc(cd, 1);				/* primary volume descriptor */
	Cputs(cd, "CD001", 5);			/* standard identifier */
	Cputc(cd, 1);				/* volume descriptor version */
	Cputc(cd, 0);				/* unused */

	assert(~info.flags & (CDplan9|CDrockridge));

	/* system identifier */
	strcpy(buf, "");
	if(info.flags & CDplan9)
		strcat(buf, "plan 9 ");
	if(info.flags & CDrockridge)
		strcat(buf, "rrip ");
	if(info.flags & CDbootable)
		strcat(buf, "boot ");
	if(info.flags & CDconform)
		strcat(buf, "iso9660");
	else
		strcat(buf, "utf8");
	
	struprcpy(buf, buf);
	Cputs(cd, buf, 32);

	Cputs(cd, mkisostring(buf, 32, info.volumename), 32);			/* volume identifier */

	Crepeat(cd, 0, 8);				/* unused */
	Cputn(cd, 0, 4);				/* volume space size */
	Crepeat(cd, 0, 32);				/* unused */
	Cputn(cd, 1, 2);				/* volume set size */
	Cputn(cd, 1, 2);				/* volume sequence number */
	Cputn(cd, Blocksize, 2);			/* logical block size */
	Cputn(cd, 0, 4);				/* path table size */
	Cputnl(cd, 0, 4);				/* location of Lpath */
	Cputnl(cd, 0, 4);				/* location of optional Lpath */
	Cputnm(cd, 0, 4);				/* location of Mpath */
	Cputnm(cd, 0, 4);				/* location of optional Mpath */
	Cputisodir(cd, nil, DTroot, 1, Cwoffset(cd));			/* root directory */

	Cputs(cd, mkisostring(buf, 128, info.volumeset), 128);		/* volume set identifier */
	Cputs(cd, mkisostring(buf, 128, info.publisher), 128);			/* publisher identifier */
	Cputs(cd, mkisostring(buf, 128, info.preparer), 128);			/* data preparer identifier */
	Cputs(cd, mkisostring(buf, 128, info.application), 128);		/* application identifier */

	Cputs(cd, "", 37);			/* copyright notice */
	Cputs(cd, "", 37);			/* abstract */
	Cputs(cd, "", 37);			/* bibliographic file */
	Cputdate1(cd, now);				/* volume creation date */
	Cputdate1(cd, now);				/* volume modification date */
	Cputdate1(cd, 0);				/* volume expiration date */
	Cputdate1(cd, 0);				/* volume effective date */
	Cputc(cd, 1);				/* file structure version */
	Cpadblock(cd);
}
コード例 #2
0
ファイル: cdrdwr.c プロジェクト: 00001/plan9port
void
Cputs(Cdimg *cd, char *s, int size)
{
	int n;

	if(s == nil) {
		Crepeat(cd, ' ', size);
		return;
	}

	for(n=0; n<size && *s; n++)
		Cputc(cd, *s++);
	if(n<size)
		Crepeat(cd, ' ', size-n);
}
コード例 #3
0
ファイル: boot.c プロジェクト: 00001/plan9port
void
Cputbootvol(Cdimg *cd)
{
	Cputc(cd, 0x00);
	Cputs(cd, "CD001", 5);
	Cputc(cd, 0x01);
	Cputs(cd, "EL TORITO SPECIFICATION", 2+1+6+1+13);
	Crepeat(cd, 0, 2+16+16+7);
	cd->bootcatptr = Cwoffset(cd);
	Cpadblock(cd);
}
コード例 #4
0
ファイル: jchar.c プロジェクト: Nurb432/plan9front
/*
 * Write a Joliet secondary volume descriptor.
 */
void
Cputjolietsvd(Cdimg *cd, Cdinfo info)
{
	Cputc(cd, 2);				/* secondary volume descriptor */
	Cputs(cd, "CD001", 5);			/* standard identifier */
	Cputc(cd, 1);				/* volume descriptor version */
	Cputc(cd, 0);				/* unused */

	Cputrscvt(cd, "Joliet Plan 9", 32);			/* system identifier */
	Cputrscvt(cd, info.volumename, 32);			/* volume identifier */

	Crepeat(cd, 0, 8);				/* unused */
	Cputn(cd, 0, 4);				/* volume space size */
	Cputc(cd, 0x25);				/* escape sequences: UCS-2 Level 2 */
	Cputc(cd, 0x2F);
	Cputc(cd, 0x43);

	Crepeat(cd, 0, 29);
	Cputn(cd, 1, 2);				/* volume set size */
	Cputn(cd, 1, 2);				/* volume sequence number */
	Cputn(cd, Blocksize, 2);			/* logical block size */
	Cputn(cd, 0, 4);				/* path table size */
	Cputnl(cd, 0, 4);				/* location of Lpath */
	Cputnl(cd, 0, 4);				/* location of optional Lpath */
	Cputnm(cd, 0, 4);				/* location of Mpath */
	Cputnm(cd, 0, 4);				/* location of optional Mpath */
	Cputjolietdir(cd, nil, DTroot, 1, Cwoffset(cd));			/* root directory */
	Cputrscvt(cd, info.volumeset, 128);		/* volume set identifier */
	Cputrscvt(cd, info.publisher, 128);			/* publisher identifier */
	Cputrscvt(cd, info.preparer, 128);			/* data preparer identifier */
	Cputrscvt(cd, info.application, 128);		/* application identifier */
	Cputrscvt(cd, "", 37);			/* copyright notice */
	Cputrscvt(cd, "", 37);			/* abstract */
	Cputrscvt(cd, "", 37);			/* bibliographic file */
	Cputdate1(cd, now);				/* volume creation date */
	Cputdate1(cd, now);				/* volume modification date */
	Cputdate1(cd, 0);				/* volume expiration date */
	Cputdate1(cd, 0);				/* volume effective date */
	Cputc(cd, 1);				/* file structure version */
	Cpadblock(cd);
}
コード例 #5
0
ファイル: boot.c プロジェクト: 00001/plan9port
void
Cputbootcat(Cdimg *cd)
{
	cd->bootcatblock = Cwoffset(cd) / Blocksize;
	Cputc(cd, 0x01);
	Cputc(cd, 0x00);
	Cputc(cd, 0x00);
	Cputc(cd, 0x00);
	Crepeat(cd, 0, 12+12);

	/*
	 * either the checksum doesn't include the header word
	 * or it just doesn't matter.
	 */
	Cputc(cd, 0xAA);
	Cputc(cd, 0x55);
	Cputc(cd, 0x55);
	Cputc(cd, 0xAA);

	cd->bootimageptr = Cwoffset(cd);
	Cpadblock(cd);
}
コード例 #6
0
ファイル: cdrdwr.c プロジェクト: 00001/plan9port
/*
 * It's not strictly conforming; instead it's enough to
 * get us up and running; presumably the real CD writing
 * will take care of being conforming.
 *
 * Things not conforming include:
 *	- no path table
 *	- root directories are of length zero
 */
Cdimg*
createcd(char *file, Cdinfo info)
{
	int fd, xfd;
	Cdimg *cd;

	if(access(file, AEXIST) == 0){
		werrstr("file already exists");
		return nil;
	}

	if((fd = create(file, ORDWR, 0666)) < 0)
		return nil;

	cd = emalloc(sizeof *cd);
	cd->file = atom(file);

	Binit(&cd->brd, fd, OREAD);

	if((xfd = open(file, ORDWR)) < 0)
		sysfatal("can't open file again: %r");
	Binit(&cd->bwr, xfd, OWRITE);

	Crepeat(cd, 0, 16*Blocksize);
	Cputisopvd(cd, info);
	if(info.flags & CDbootable){
		cd->bootimage = info.bootimage;
		cd->flags |= CDbootable;
		Cputbootvol(cd);
	}

	if(readisodesc(cd, &cd->iso) < 0)
		assert(0);
	if(info.flags & CDplan9)
		cd->flags |= CDplan9;
	else if(info.flags & CDrockridge)
		cd->flags |= CDrockridge;
	if(info.flags & CDjoliet) {
		Cputjolietsvd(cd, info);
		if(readjolietdesc(cd, &cd->joliet) < 0)
			assert(0);
		cd->flags |= CDjoliet;
	}
	Cputendvd(cd);

	if(info.flags & CDdump){
		cd->nulldump = Cputdumpblock(cd);
		cd->flags |= CDdump;
	}
	if(cd->flags & CDbootable){
		Cputbootcat(cd);
		Cupdatebootvol(cd);
	}

	if(info.flags & CDconform)
		cd->flags |= CDconform;

	cd->flags |= CDnew;
	cd->nextblock = Cwoffset(cd) / Blocksize;
	assert(cd->nextblock != 0);

	return cd;
}