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Small bug fixing + code to remove devices

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2145
This commit is contained in:
Peter Veenstra 2005-03-25 08:48:41 +00:00
parent 874cb31df2
commit 5ef7187b28
1 changed files with 24 additions and 15 deletions
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39
src/dos/dos_devices.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos_devices.cpp,v 1.9 2005-02-10 10:20:51 qbix79 Exp $ */
/* $Id: dos_devices.cpp,v 1.10 2005-03-25 08:48:41 qbix79 Exp $ */
#include <string.h>
#include "dosbox.h"
@ -33,7 +33,6 @@
DOS_Device * Devices[DOS_DEVICES];
static Bitu device_count;
class device_NUL : public DOS_Device {
public:
@ -111,37 +110,48 @@ DOS_File & DOS_File::operator= (const DOS_File & orig) {
Bit8u DOS_FindDevice(char * name) {
/* should only check for the names before the dot and spacepadded */
char temp[CROSS_LEN];//TODOD
char temp[CROSS_LEN];//TODO
if(!name || !(*name)) return DOS_DEVICES;
strcpy(temp,name);
char* dot= strrchr(temp,'.');
if(dot && *dot) dot=0; //no ext checking
if(dot && *dot) *dot=0; //no ext checking
/* loop through devices */
Bit8u index=0;
while (index<device_count) {
for(Bit8u index = 0;index < DOS_DEVICES;index++) {
if (Devices[index]) {
if (WildFileCmp(temp,Devices[index]->name)) return index;
}
index++;
}
return DOS_DEVICES;
}
void DOS_AddDevice(DOS_Device * adddev) {
//Caller creates the device. We store a pointer to it
//TODO Give the Device a real handler in low memory that responds to calls
if (device_count<DOS_DEVICES) {
Devices[device_count]=adddev;
Devices[device_count]->SetDeviceNumber(device_count);
device_count++;
} else {
E_Exit("DOS:Too many devices added");
for(Bitu i = 0; i < DOS_DEVICES;i++) {
if(!Devices[i]){
Devices[i] = adddev;
Devices[i]->SetDeviceNumber(i);
return;
}
}
E_Exit("DOS:Too many devices added");
}
void DOS_DelDevice(DOS_Device * dev) {
// We will destroy the device if we find it in our list.
// TODO:The file table is not checked to see the device is opened somewhere!
for (Bitu i = 0; i <DOS_DEVICES;i++) {
if(Devices[i] && !strcasecmp(Devices[i]->name,dev->name)){
delete Devices[i];
Devices[i] = 0;
return;
}
}
}
void DOS_SetupDevices(void) {
device_count=0;
DOS_Device * newdev;
newdev=new device_CON();
DOS_AddDevice(newdev);
@ -149,4 +159,3 @@ void DOS_SetupDevices(void) {
newdev2=new device_NUL();
DOS_AddDevice(newdev2);
}