xfnw/plan9fox
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

dump9660: fix volume space size field (from sources, paure)

Browse source 
http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-119.pdf

page 19:

Volume Space Size (BP 81 to 88)
This field shall specify as a 32-bit number the number of Logical Blocks
in which the Volume Space of the volume is recorded.
This field shall be recorded according to 7.3.3.
This commit is contained in:
cinap_lenrek 2013-06-29 12:10:12 +02:00
parent 61aeb582ca
commit 0542f08d10
1 changed files with 4 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
sys/src/cmd/disk/9660/dump9660.c
View file

@ -307,11 +307,10 @@ Dofix:
* Patch in root directories.
*/
setroot(cd, cd->iso9660pvd, iroot.block, iroot.length);
setvolsize(cd, cd->iso9660pvd, (vlong)cd->nextblock * Blocksize);
setvolsize(cd, cd->iso9660pvd, cd->nextblock);
if(cd->flags & CDjoliet){
setroot(cd, cd->jolietsvd, jroot.block, jroot.length);
setvolsize(cd, cd->jolietsvd,
(vlong)cd->nextblock * Blocksize);
setvolsize(cd, cd->jolietsvd, cd->nextblock);
}
}else{
/*
@ -341,11 +340,10 @@ Dofix:
* Patch in new root directory entry.
*/
setroot(cd, cd->iso9660pvd, idumproot.block, idumproot.length);
setvolsize(cd, cd->iso9660pvd, (vlong)cd->nextblock * Blocksize);
setvolsize(cd, cd->iso9660pvd, cd->nextblock);
if(cd->flags & CDjoliet){
setroot(cd, cd->jolietsvd, jdumproot.block, jdumproot.length);
setvolsize(cd, cd->jolietsvd,
(vlong)cd->nextblock * Blocksize);
setvolsize(cd, cd->jolietsvd, cd->nextblock);
}
}
writepathtables(cd);