TempleOSTS_140317.ISO

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Terry A. Davis authored and minexew committed 2018-09-08 21:46:02 +02:00
1 parent 2d2a65d572
commit 7ef616a20e
1416 files changed
+223873 -53917

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//ISO1 is ISO9660
//ISO2 is ISO13490
//ISO3 is ISO13346
Bool ISOPrtInit(CPrt *p,I64 blk)
{
CBlkDev *bdev=p->bdev;
I64 spc=bdev->blk_size>>BLK_SIZE_BITS,i=blk/spc;
CISO1PriDesc *iso=MAlloc(bdev->blk_size);
CISO1DirEntry *de;
Bool unlock,result=FALSE;
U8 buf[8];
try {
unlock=PrtLock(p);
p->type=PT_ISO9660; //default
p->spc=spc;
p->offset=p->data=p->root_cluster=p->size=0;
while (TRUE) {
p->size=MaxI64(p->size,(i+1)*spc);
RBlks(p,iso,i*spc,spc);
buf[0](U32)=iso->id[0](U32);
buf[4](U16)=iso->id[4](U8);
switch (LstMatch(buf,"CD001\0CDW02\0BEA01\0BOOT2\0NSR02\0NSR03\0TEA01\0",LMF_EXACT)) {
case 0:
p->type=PT_ISO9660;
switch (iso->type) {
case ISO1T_SUPPLEMENTARY_DESC:
p->data=0;
de=&iso->root_dir_record;
p->root_cluster=de->loc.little;
p->size=iso->vol_space_size.little*bdev->blk_size>>BLK_SIZE_BITS;
result=TRUE;
goto ipi_done;
case ISO1T_TERMINATOR:
throw('Prt');
}
break;
default: //Its normal for ISO13346 to read NULL blk as terminator
PrintErr("File System Not Supported\n");
throw('Prt');
}
i++;
}
ipi_done:
Free(iso);
if (unlock)
PrtUnlock(p);
} catch {
p->type=PT_ISO9660;
p->spc=spc;
p->offset=p->data=p->root_cluster=0;
Free(iso);
if (unlock)
PrtUnlock(p);
}
return result;
}
U0 Date2ISO1(CISO1Date *dst,CDate cdt)
{
CDateStruct ds;
Date2Struct(&ds,cdt);
dst->year=ds.year-ISO1_BASE_YEAR;
dst->mon=ds.mon;
dst->day=ds.day_of_mon;
dst->hour=ds.hour;
dst->min=ds.min;
dst->sec=ds.sec;
dst->sec100=ds.sec100;
}
CDate ISO1DateStruct2CDate(CISO1Date *dt)
{
CDateStruct ds;
MemSet(&ds,0,sizeof(CDateStruct));
ds.day_of_mon=dt->day;
ds.mon=dt->mon;
ds.year=dt->year+ISO1_BASE_YEAR;
ds.sec100=dt->sec100;
ds.sec=dt->sec;
ds.min=dt->min;
ds.hour=dt->hour;
return Struct2Date(&ds);
}
Bool ISO1FromName(U8 *dst,U8 *src)
{
I64 i,j,n;
MemSet(dst,0,CDIR_FILENAME_LEN);
n=*src++;
if (n==1 && !*src) {
*dst='.';
} else if (n==1 && *src==1) {
*dst='.';
dst[1]='.';
} else {
n>>=1;
j=0;
for (i=0;i<n;i++) {
src++;
if (*src==';')
break;
if (Bt(chars_bitmap_filename,*src)) {
if (j>=CDIR_FILENAME_LEN-1)
return FALSE;
dst[j++]=*src++;
} else
return FALSE;
}
}
return FileNameChk(dst);
}
Bool ISO1CDirFill(CDirEntry *tempde,CISO1DirEntry *de)
{
Bool result;
MemSet(tempde,0,sizeof(CDirEntry));
result=ISO1FromName(tempde->name,&de->name_len);
tempde->cluster=de->loc.little;
tempde->size=de->size.little;
tempde->attr=FileAttr(tempde->name);
if (de->flags & ISO1_ATTR_DIR)
tempde->attr|=_ATTR_DIR;
tempde->datetime=ISO1DateStruct2CDate(&de->date);
return result;
}
Bool ISO1FileFind(CPrt *p,I64 cur_dir_cluster,U8 *name,CDirEntry *_result,I64 fuf_flags=0)
{ //$LK,"FUF_JUST_DIRS",A="MN:FUF_JUST_DIRS"$, $LK,"FUF_JUST_FILES",A="MN:FUF_JUST_FILES"$
CISO1DirEntry *isoptr,*buf;
U8 dname[CDIR_FILENAME_LEN];
Bool result=FALSE,unlock;
I64 i;
if (fuf_flags&~FUG_FILE_FIND)
throw('FUF');
PrtChk(p);
if (p->type!=PT_ISO9660)
PrintErr("Not ISO9660 Partition\n");
else
try {
unlock=PrtLock(p);
isoptr=MAlloc(p->spc<<BLK_SIZE_BITS);
RClusters(Fs->cur_prt,isoptr,cur_dir_cluster,1);
if (isoptr->name_len==1 && !isoptr->name) { //curdir
i=(isoptr->size.little+p->spc<<BLK_SIZE_BITS-1)/p->spc<<BLK_SIZE_BITS;
buf=MAlloc(p->spc<<BLK_SIZE_BITS*i);
RClusters(Fs->cur_prt,buf,cur_dir_cluster,i);
Free(isoptr);
} else {
buf=isoptr;
i=1;
}
i*=p->spc<<BLK_SIZE_BITS;
isoptr=buf;
while (i>0) {
if (!isoptr->len) {
isoptr(U8 *)++;
i--;
} else {
ISO1FromName(dname,&isoptr->name_len);
if (*dname) {
if (!StrCmp(name,dname)) {
result=ISO1CDirFill(_result,isoptr);
if (result &&
!(fuf_flags&FUF_JUST_DIRS && !(_result->attr & _ATTR_DIR)) &&
!(fuf_flags&FUF_JUST_FILES && _result->attr & _ATTR_DIR) )
goto exit_this;
else
result=FALSE;
}
}
i-=isoptr->len;
isoptr(U8 *)+=isoptr->len;
}
}
exit_this:
Free(buf);
if (unlock)
PrtUnlock(p);
} catch
if (unlock)
PrtUnlock(p);
return result;
}
U8 *ISO1FileRead(CPrt *p,U8 *cur_dir,U8 *filename,I64 *_size,I64 *_attr)
{
U8 *buf=NULL;
CDirEntry de;
I64 c,blk_cnt,cur_dir_cluster;
PrtChk(p);
*_size=0;
*_attr=0;
if (p->type!=PT_ISO9660)
PrintErr("Not ISO9660 Partition\n");
else
try {
PrtLock(p);
cur_dir_cluster=Name2DirCluster(p,cur_dir);
if (ISO1FileFind(p,cur_dir_cluster,filename,&de,FUF_JUST_FILES)) {
blk_cnt=(de.size+BLK_SIZE-1)>>BLK_SIZE_BITS;
buf=MAlloc(blk_cnt<<BLK_SIZE_BITS+1);
c=de.cluster;
c=RClustersBlks(p,buf,c,blk_cnt);
buf[de.size]=0; //Terminate
*_size=de.size;
*_attr=FileAttr(de.name,de.attr);
}
PrtUnlock(p);
} catch
PrtUnlock(p);
return buf;
}
Bool ISO1Cd(U8 *name,I64 cur_dir_cluster)
{
CDirEntry de;
if (Fs->cur_prt->type!=PT_ISO9660)
PrintErr("Not ISO9660 Partition\n");
else if (ISO1FileFind(Fs->cur_prt,cur_dir_cluster,name,&de,FUF_JUST_DIRS))
return TRUE;
else {
"%s ",name;
PrintErr("File not found.\n");
}
return FALSE;
}
CDirEntry *ISO1FilesFind(U8 *files_find_mask,I64 fuf_flags,CDirEntry *parent=NULL)
{
CPrt *p=Fs->cur_prt;
CISO1DirEntry *buf,*buf2,*isoptr;
I64 i,cur_dir_cluster=Name2DirCluster(p,Fs->cur_dir);
CDirEntry *result=NULL,*tempde;
if (fuf_flags&~FUG_FILES_FIND)
throw('FUF');
isoptr=MAlloc(p->spc<<BLK_SIZE_BITS);
RClusters(Fs->cur_prt,isoptr,cur_dir_cluster,1);
if (isoptr->name_len==1 && !isoptr->name) { //curdir
i=(isoptr->size.little+p->spc<<BLK_SIZE_BITS-1)/p->spc<<BLK_SIZE_BITS;
buf=MAlloc(p->spc<<BLK_SIZE_BITS*i);
RClusters(Fs->cur_prt,buf,cur_dir_cluster,i);
Free(isoptr);
} else {
buf=isoptr;
i=1;
}
buf2=buf;
i*=p->spc<<BLK_SIZE_BITS;
while (i>0) {
if (!buf->len) {
buf(U8 *)++;
i--;
} else {
tempde=MAlloc(sizeof(CDirEntry));
if (ISO1CDirFill(tempde,buf)) {
tempde->parent=parent;
if (Bt(&fuf_flags,FUf_RECURSE) && tempde->attr&_ATTR_DIR && *tempde->name!='.') {
tempde->next=result;
result=tempde;
tempde->full_name=DirNameAbs(tempde->name);
if (Cd(tempde->name)) {
tempde->sub=ISO1FilesFind(files_find_mask,fuf_flags,tempde);
Cd("..");
}
} else if ((tempde->attr & _ATTR_DIR || !Bt(&fuf_flags,FUf_JUST_DIRS)) &&
!(Bt(&fuf_flags,FUf_RECURSE) && *tempde->name=='.' && tempde->attr&_ATTR_DIR) &&
FilesFindMatch(tempde->name,files_find_mask,fuf_flags)) {
tempde->next=result;
result=tempde;
tempde->full_name=FileNameAbs(tempde->name);
} else
DirEntryDel(tempde);
} else
DirEntryDel(tempde);
i-=buf->len;
buf(U8 *)+=buf->len;
}
}
Free(buf2);
return result;
}