Rewrote devices so they can be opened/closed/cloned. Fix Turbo pascal 7 saving bug(wd/mirek). Increase number of files to 127. Remove null device from default handles. Proper creation of the initial psp. (not hacked anymore). Quite some files= bugs should be fixed
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2025
This commit is contained in:
Peter Veenstra
parent
3ee0cef43d
commit
3602a06de9
9 changed files with 165 additions and 94 deletions
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: dos_inc.h,v 1.48 2004-08-04 09:12:50 qbix79 Exp $ */
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/* $Id: dos_inc.h,v 1.49 2004-10-17 14:44:59 qbix79 Exp $ */
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#ifndef DOS_H_
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#define DOS_H_
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@ -68,13 +68,16 @@ union bootSector {
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enum { MCB_FREE=0x0000,MCB_DOS=0x0008 };
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enum { RETURN_EXIT=0,RETURN_CTRLC=1,RETURN_ABORT=2,RETURN_TSR=3};
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#define DOS_FILES 50
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#define DOS_FILES 127
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#define DOS_DRIVES 26
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#define DOS_DEVICES 10
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/* internal Dos Tables */
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extern DOS_File * Files[DOS_FILES];
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extern DOS_Drive * Drives[DOS_DRIVES];
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extern DOS_Device * Devices[DOS_DEVICES];
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extern Bit8u dos_copybuf[0x10000];
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@ -82,7 +85,7 @@ void DOS_SetError(Bit16u code);
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/* File Handling Routines */
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enum { STDIN=0,STDOUT=1,STDERR=2,STDAUX=3,STDNUL=4,STDPRN=5};
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enum { STDIN=0,STDOUT=1,STDERR=2,STDAUX=3,STDPRN=4};
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enum { HAND_NONE=0,HAND_FILE,HAND_DEVICE};
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/* Routines for File Class */
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@ -285,10 +288,10 @@ private:
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Bit16u max_files; /* Maximum open files */
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RealPt file_table; /* Pointer to File Table PSP:0x18 */
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RealPt prev_psp; /* Pointer to previous PSP */
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Bit8u interim_flag;
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Bit8u truename_flag;
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Bit16u nn_flags;
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Bit16u dos_version;
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Bit8u interim_flag;
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Bit8u truename_flag;
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Bit16u nn_flags;
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Bit16u dos_version;
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Bit8u fill_2[14]; /* Lot's of unused stuff i can't care aboue */
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Bit8u service[3]; /* INT 0x21 Service call int 0x21;retf; */
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Bit8u fill_3[9]; /* This has some blocks with FCB info */
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: dos_system.h,v 1.24 2004-08-04 09:12:50 qbix79 Exp $ */
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/* $Id: dos_system.h,v 1.25 2004-10-17 14:44:59 qbix79 Exp $ */
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#ifndef DOSSYSTEM_H_
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#define DOSSYSTEM_H_
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@ -54,6 +54,8 @@ class DOS_DTA;
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class DOS_File {
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public:
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DOS_File():flags(0) { name=0; refCtr = 0; };
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DOS_File(const DOS_File& orig);
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DOS_File & operator= (const DOS_File & orig);
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virtual ~DOS_File(){if(name) delete [] name;};
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virtual bool Read(Bit8u * data,Bit16u * size)=0;
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virtual bool Write(Bit8u * data,Bit16u * size)=0;
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@ -81,9 +83,20 @@ public:
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class DOS_Device : public DOS_File {
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public:
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/* Some Device Specific Stuff */
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char * name;
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Bit8u fhandle;
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DOS_Device(const DOS_Device& orig):DOS_File(orig) {devnum=orig.devnum; }
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DOS_Device & operator= (const DOS_Device & orig) {
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DOS_File::operator=(orig);
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devnum=orig.devnum;
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}
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DOS_Device():DOS_File(),devnum(0){};
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virtual bool Read(Bit8u * data,Bit16u * size);
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virtual bool Write(Bit8u * data,Bit16u * size);
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virtual bool Seek(Bit32u * pos,Bit32u type);
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virtual bool Close();
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virtual Bit16u GetInformation(void);
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void SetDeviceNumber(Bitu num) { devnum=num;}
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private:
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Bitu devnum;
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};
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#define MAX_OPENDIRS 2048
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: dev_con.h,v 1.18 2004-08-26 19:41:20 qbix79 Exp $ */
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/* $Id: dev_con.h,v 1.19 2004-10-17 14:45:00 qbix79 Exp $ */
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#include "dos_inc.h"
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#include "../ints/int10.h"
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@ -345,7 +345,7 @@ bool device_CON::Seek(Bit32u * pos,Bit32u type) {
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}
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bool device_CON::Close() {
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return false;
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return true;
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}
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Bit16u device_CON::GetInformation(void) {
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@ -357,7 +357,7 @@ Bit16u device_CON::GetInformation(void) {
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};
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device_CON::device_CON() {
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name="CON";
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SetName("CON");
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cache=0;
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ansi.enabled=false;
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ansi.attr=0x7;
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: dos_classes.cpp,v 1.41 2004-08-04 09:12:53 qbix79 Exp $ */
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/* $Id: dos_classes.cpp,v 1.42 2004-10-17 14:45:00 qbix79 Exp $ */
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#include <string.h>
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#include <stdlib.h>
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@ -225,7 +225,7 @@ void DOS_PSP::CopyFileTable(DOS_PSP* srcpsp,bool createchildpsp)
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Bit8u handle = srcpsp->GetFileHandle(i);
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if(createchildpsp)
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{ //copy obeying not inherit flag.(but dont duplicate them)
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bool allowCopy = (handle==0) || ((handle>0) && (FindEntryByHandle(handle)==0xff));
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bool allowCopy = true;//(handle==0) || ((handle>0) && (FindEntryByHandle(handle)==0xff));
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if((handle<DOS_FILES) && Files[handle] && !(Files[handle]->flags & DOS_NOT_INHERIT) && allowCopy)
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{
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Files[handle]->AddRef();
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@ -16,6 +16,8 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: dos_devices.cpp,v 1.6 2004-10-17 14:45:00 qbix79 Exp $ */
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#include <string.h>
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#include "dosbox.h"
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#include "callback.h"
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@ -24,19 +26,18 @@
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#include "bios.h"
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#include "dos_inc.h"
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#include "support.h"
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#define MAX_DEVICES 10
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#include "drives.h" //Wildcmp
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/* Include all the devices */
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#include "dev_con.h"
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static DOS_Device * devices[MAX_DEVICES];
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static Bit32u device_count;
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DOS_Device * Devices[DOS_DEVICES];
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static Bitu device_count;
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class device_NUL : public DOS_Device {
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public:
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device_NUL() { name="NUL"; };
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device_NUL() { SetName("NUL"); };
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bool Read(Bit8u * data,Bit16u * size) {
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for(Bitu i = 0; i < *size;i++)
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data[i]=0;
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@ -52,38 +53,87 @@ public:
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return true;
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}
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bool Close() { return true; }
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Bit16u GetInformation(void) { return 0x8004; }
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Bit16u GetInformation(void) { return 0x8084; }
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};
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bool DOS_Device::Read(Bit8u * data,Bit16u * size) {
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return Devices[devnum]->Read(data,size);
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}
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bool DOS_Device::Write(Bit8u * data,Bit16u * size) {
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return Devices[devnum]->Write(data,size);
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}
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bool DOS_Device::Seek(Bit32u * pos,Bit32u type) {
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return Devices[devnum]->Seek(pos,type);
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}
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bool DOS_Device::Close() {
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return Devices[devnum]->Close();
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}
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Bit16u DOS_Device::GetInformation(void) {
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return Devices[devnum]->GetInformation();
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}
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DOS_File::DOS_File(const DOS_File& orig) {
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type=orig.type;
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flags=orig.flags;
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time=orig.time;
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date=orig.date;
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attr=orig.attr;
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size=orig.size;
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refCtr=orig.refCtr;
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open=orig.open;
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name=0;
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if(orig.name) {
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name=new char [strlen(orig.name)];strcpy(name,orig.name);
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}
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}
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DOS_File & DOS_File::operator= (const DOS_File & orig) {
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type=orig.type;
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flags=orig.flags;
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time=orig.time;
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date=orig.date;
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attr=orig.attr;
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size=orig.size;
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refCtr=orig.refCtr;
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open=orig.open;
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if(name) {
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delete [] name; name=0;
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}
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if(orig.name) {
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name=new char [strlen(orig.name)];strcpy(name,orig.name);
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}
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}
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Bit8u DOS_FindDevice(char * name) {
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/* should only check for the names before the dot and spacepadded */
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char temp[CROSS_LEN];//TODOD
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if(!(*name)) return DOS_DEVICES;
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strcpy(temp,name);
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char* dot= strrchr(temp,'.');
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if(dot && *dot) dot=0; //no ext checking
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/* loop through devices */
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Bit8u index=0;
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while (index<device_count) {
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if (devices[index]) {
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if (strcasecmp(name,devices[index]->name)==0) return index;
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if (Devices[index]) {
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if (WildFileCmp(temp,Devices[index]->name)) return index;
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}
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index++;
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}
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return 255;
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return DOS_DEVICES;
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}
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void DOS_AddDevice(DOS_Device * adddev) {
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//TODO Give the Device a real handler in low memory that responds to calls
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if (device_count<MAX_DEVICES) {
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devices[device_count]=adddev;
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if (device_count<DOS_DEVICES) {
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Devices[device_count]=adddev;
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Devices[device_count]->SetDeviceNumber(device_count);
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device_count++;
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/* Add the device in the main file Table */
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Bit8u handle=DOS_FILES;Bit8u i;
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for (i=0;i<DOS_FILES;i++) {
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if (!Files[i]) {
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handle=i;
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Files[i]=adddev;
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break;
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}
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}
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if (handle==DOS_FILES) E_Exit("DOS:Not enough file handles for device");
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adddev->fhandle=handle;
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} else {
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E_Exit("DOS:Too many devices added");
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}
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@ -94,7 +144,7 @@ void DOS_SetupDevices(void) {
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DOS_Device * newdev;
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newdev=new device_CON();
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DOS_AddDevice(newdev);
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DOS_Device * newdev2;
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DOS_Device * newdev2;
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newdev2=new device_NUL();
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DOS_AddDevice(newdev2);
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}
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@ -16,7 +16,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* $Id: dos_files.cpp,v 1.57 2004-08-04 09:12:53 qbix79 Exp $ */
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/* $Id: dos_files.cpp,v 1.58 2004-10-17 14:45:00 qbix79 Exp $ */
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#include <string.h>
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#include <stdlib.h>
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@ -57,7 +57,7 @@ bool DOS_MakeName(char * name,char * fullname,Bit8u * drive) {
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DOS_SetError(DOSERR_FILE_NOT_FOUND);
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return false;
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}
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char tempdir[DOS_PATHLENGTH];
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char upname[DOS_PATHLENGTH];
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Bitu r,w;
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@ -232,7 +232,12 @@ bool DOS_FindFirst(char * search,Bit16u attr,bool fcb_findfirst) {
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*find_last=0;
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strcpy(pattern,find_last+1);
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strcpy(dir,fullsearch);
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}
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}
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//check for devices. first part of filename before the dot
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//can be the name of a device. like con.1
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//if(findDevice(pattern) blah blah
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// but leading subdirs must exist....
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//
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dta.SetupSearch(drive,(Bit8u)attr,pattern);
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if (Drives[drive]->FindFirst(dir,dta,fcb_findfirst)) return true;
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@ -315,15 +320,12 @@ bool DOS_CloseFile(Bit16u entry) {
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DOS_SetError(DOSERR_INVALID_HANDLE);
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return false;
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};
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/* Devices won't allow themselves to be closed or killed */
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if (Files[handle]->Close())
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{ //if close succesfull => delete file/update psp
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DOS_PSP psp(dos.psp());
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psp.SetFileHandle(entry,0xff);
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if (Files[handle]->RemoveRef()<=0) {
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delete Files[handle];
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Files[handle]=0;
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}
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Files[handle]->Close();
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DOS_PSP psp(dos.psp());
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psp.SetFileHandle(entry,0xff);
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if (Files[handle]->RemoveRef()<=0) {
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delete Files[handle];
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Files[handle]=0;
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}
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return true;
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}
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@ -331,7 +333,7 @@ bool DOS_CloseFile(Bit16u entry) {
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bool DOS_CreateFile(char * name,Bit16u attributes,Bit16u * entry) {
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// Creation of a device is the same as opening it
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// Tc201 installer
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if (DOS_FindDevice(name) != 255)
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if (DOS_FindDevice(name) != DOS_DEVICES)
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return DOS_OpenFile(name, 0, entry);
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char fullname[DOS_PATHLENGTH];Bit8u drive;
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@ -370,7 +372,7 @@ bool DOS_OpenFile(char * name,Bit8u flags,Bit16u * entry) {
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if (flags>2) LOG(LOG_FILES,LOG_ERROR)("Special file open command %X file %s",flags,name);
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else LOG(LOG_FILES,LOG_NORMAL)("file open command %X file %s",flags,name);
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Bit16u attr;
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Bit16u attr = 0;
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if(DOS_GetFileAttr(name,&attr)){ //DON'T ALLOW directories to be openened
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if((attr & DOS_ATTR_DIRECTORY) || (attr & DOS_ATTR_VOLUME)){
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DOS_SetError(DOSERR_ACCESS_DENIED);
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@ -379,40 +381,39 @@ bool DOS_OpenFile(char * name,Bit8u flags,Bit16u * entry) {
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}
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DOS_PSP psp(dos.psp());
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Bit8u handle=DOS_FindDevice((char *)name);
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bool device=false;char fullname[DOS_PATHLENGTH];Bit8u drive;Bit8u i;
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if (handle!=255) {
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device=true;
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} else {
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Bit8u devnum=DOS_DEVICES;
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devnum=DOS_FindDevice((char *)name);
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bool device=(devnum!=DOS_DEVICES);
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char fullname[DOS_PATHLENGTH];Bit8u drive;Bit8u i;
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/* First check if the name is correct */
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if (!DOS_MakeName(name,fullname,&drive)) return false;
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/* Check for a free file handle */
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for (i=0;i<DOS_FILES;i++) {
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if (!Files[i]) {
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handle=i;
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break;
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}
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}
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if (handle==255) {
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DOS_SetError(DOSERR_TOO_MANY_OPEN_FILES);
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return false;
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if (!DOS_MakeName(name,fullname,&drive)) return false;
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Bit8u handle=255;
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/* Check for a free file handle */
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for (i=0;i<DOS_FILES;i++) {
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if (!Files[i]) {
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handle=i;
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break;
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}
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}
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if (handle==255) {
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DOS_SetError(DOSERR_TOO_MANY_OPEN_FILES);
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return false;
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}
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/* We have a position in the main table now find one in the psp table */
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*entry = psp.FindFreeFileEntry();
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if (*entry==0xff) {
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DOS_SetError(DOSERR_TOO_MANY_OPEN_FILES);
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return false;
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}
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bool exists=false;
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if (!device) exists=Drives[drive]->FileOpen(&Files[handle],fullname,flags);
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if (device) {
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Files[handle]=new DOS_Device(*Devices[devnum]);
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} else {
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exists=Drives[drive]->FileOpen(&Files[handle],fullname,flags);
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}
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if (exists || device ) {
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// devices can only be opened once
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if (device && (psp.FindEntryByHandle(handle)!=0xff)) {
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*entry=psp.FindEntryByHandle(handle);
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return true;
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}
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Files[handle]->AddRef();
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psp.SetFileHandle(*entry,handle);
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return true;
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@ -451,7 +452,12 @@ bool DOS_OpenFileExtended(char *name, Bit16u flags, Bit16u createAttr, Bit16u ac
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bool DOS_UnlinkFile(char * name) {
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char fullname[DOS_PATHLENGTH];Bit8u drive;
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if (!DOS_MakeName(name,fullname,&drive)) return false;
|
||||
return Drives[drive]->FileUnlink(fullname);
|
||||
if(Drives[drive]->FileUnlink(fullname)){
|
||||
return true;
|
||||
} else {
|
||||
DOS_SetError(DOSERR_FILE_NOT_FOUND);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
bool DOS_GetFileAttr(char * name,Bit16u * attr) {
|
||||
|
|
@ -503,13 +509,12 @@ bool DOS_GetFreeDiskSpace(Bit8u drive,Bit16u * bytes,Bit8u * sectors,Bit16u * cl
|
|||
}
|
||||
|
||||
bool DOS_DuplicateEntry(Bit16u entry,Bit16u * newentry) {
|
||||
|
||||
// Dont duplicate console handles
|
||||
if (entry<=STDPRN) {
|
||||
/* if (entry<=STDPRN) {
|
||||
*newentry = entry;
|
||||
return true;
|
||||
};
|
||||
|
||||
*/
|
||||
Bit8u handle=RealHandle(entry);
|
||||
if (handle>=DOS_FILES) {
|
||||
DOS_SetError(DOSERR_INVALID_HANDLE);
|
||||
|
|
@ -531,13 +536,12 @@ bool DOS_DuplicateEntry(Bit16u entry,Bit16u * newentry) {
|
|||
};
|
||||
|
||||
bool DOS_ForceDuplicateEntry(Bit16u entry,Bit16u newentry) {
|
||||
|
||||
// Dont duplicate console handles
|
||||
if (entry<=STDPRN) {
|
||||
/* if (entry<=STDPRN) {
|
||||
newentry = entry;
|
||||
return true;
|
||||
};
|
||||
|
||||
*/
|
||||
Bit8u orig=RealHandle(entry);
|
||||
if (orig>=DOS_FILES) {
|
||||
DOS_SetError(DOSERR_INVALID_HANDLE);
|
||||
|
|
|
|||
|
|
@ -16,7 +16,7 @@
|
|||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
/* $Id: dos_mscdex.cpp,v 1.25 2004-10-05 19:45:27 qbix79 Exp $ */
|
||||
/* $Id: dos_mscdex.cpp,v 1.26 2004-10-17 14:45:00 qbix79 Exp $ */
|
||||
|
||||
#include <string.h>
|
||||
#include <ctype.h>
|
||||
|
|
@ -1005,7 +1005,7 @@ static bool MSCDEX_Handler(void)
|
|||
|
||||
class device_MSCDEX : public DOS_Device {
|
||||
public:
|
||||
device_MSCDEX() { name="MSCD001"; }
|
||||
device_MSCDEX() { SetName("MSCD001"); }
|
||||
bool Read (Bit8u * data,Bit16u * size) { return false;}
|
||||
bool Write(Bit8u * data,Bit16u * size) {
|
||||
LOG(LOG_ALL,LOG_NORMAL)("Write to mscdex device");
|
||||
|
|
|
|||
|
|
@ -16,7 +16,7 @@
|
|||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
/* $Id: ems.cpp,v 1.34 2004-08-04 09:12:56 qbix79 Exp $ */
|
||||
/* $Id: ems.cpp,v 1.35 2004-10-17 14:45:00 qbix79 Exp $ */
|
||||
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
|
|
@ -65,7 +65,7 @@
|
|||
|
||||
class device_EMM : public DOS_Device {
|
||||
public:
|
||||
device_EMM(){name="EMMXXXX0";}
|
||||
device_EMM(){SetName("EMMXXXX0");}
|
||||
bool Read(Bit8u * data,Bit16u * size) { return false;}
|
||||
bool Write(Bit8u * data,Bit16u * size){
|
||||
LOG(LOG_IOCTL,LOG_NORMAL)("EMS:Write to device");
|
||||
|
|
|
|||
|
|
@ -16,7 +16,7 @@
|
|||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
/* $Id: shell.cpp,v 1.49 2004-09-28 15:31:21 qbix79 Exp $ */
|
||||
/* $Id: shell.cpp,v 1.50 2004-10-17 14:45:00 qbix79 Exp $ */
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdarg.h>
|
||||
|
|
@ -373,12 +373,13 @@ void SHELL_Init() {
|
|||
|
||||
DOS_PSP psp(psp_seg);
|
||||
psp.MakeNew(0);
|
||||
psp.SetFileHandle(STDIN ,DOS_FindDevice("CON"));
|
||||
psp.SetFileHandle(STDOUT,DOS_FindDevice("CON"));
|
||||
psp.SetFileHandle(STDERR,DOS_FindDevice("CON"));
|
||||
psp.SetFileHandle(STDAUX,DOS_FindDevice("CON"));
|
||||
psp.SetFileHandle(STDNUL,DOS_FindDevice("CON"));
|
||||
psp.SetFileHandle(STDPRN,DOS_FindDevice("CON"));
|
||||
dos.psp(psp_seg);
|
||||
Bit16u dummy=0;
|
||||
DOS_OpenFile("CON",2,&dummy);/* STDIN */
|
||||
DOS_OpenFile("CON",2,&dummy);/* STDOUT */
|
||||
DOS_OpenFile("CON",2,&dummy);/* STDERR */
|
||||
DOS_OpenFile("CON",2,&dummy);/* STDAUX */
|
||||
DOS_OpenFile("CON",2,&dummy);/* STDPRN */
|
||||
psp.SetParent(psp_seg);
|
||||
/* Set the environment */
|
||||
psp.SetEnvironment(env_seg);
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue