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); }
void setpathtable(Cdimg *cd, ulong block, ulong sz, ulong lloc, ulong bloc) { assert(block != 0); Cwseek(cd, block*Blocksize+offsetof(Cvoldesc, pathsize[0])); Cputn(cd, sz, 4); Cputnl(cd, lloc, 4); Cputnl(cd, 0, 4); Cputnm(cd, bloc, 4); Cputnm(cd, 0, 4); assert(Cwoffset(cd) == block*Blocksize+offsetof(Cvoldesc, rootdir[0])); }
/* * 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); }
void Cputn(Cdimg *cd, long val, int size) { Cputnl(cd, val, size); Cputnm(cd, val, size); }