valter/dosbox-staging
1
0
Fork 0
Code Releases Activity

added simple variant of patch " [ 1239849 ] DOS 21H appends dir and driver name while accessing devices" from cyberwalker.

Browse source 
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2268
This commit is contained in:
Peter Veenstra 2005-08-10 16:46:15 +00:00
parent 5baa46abfc
commit 15d976410b
1 changed files with 8 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
src/dos/dos_files.cpp
View file

@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos_files.cpp,v 1.63 2005-05-31 18:38:54 qbix79 Exp $ */
/* $Id: dos_files.cpp,v 1.64 2005-08-10 16:46:15 qbix79 Exp $ */
#include <string.h>
#include <stdlib.h>
@ -404,21 +404,20 @@ bool DOS_OpenFile(char * name,Bit8u flags,Bit16u * entry) {
if (flags>2) LOG(LOG_FILES,LOG_ERROR)("Special file open command %X file %s",flags,name);
else LOG(LOG_FILES,LOG_NORMAL)("file open command %X file %s",flags,name);
DOS_PSP psp(dos.psp());
Bit16u attr = 0;
if(DOS_GetFileAttr(name,&attr)){ //DON'T ALLOW directories to be openened
Bit8u devnum = DOS_FindDevice((char *)name);
bool device = (devnum != DOS_DEVICES);
if(!device && DOS_GetFileAttr(name,&attr)) {
//DON'T ALLOW directories to be openened.(skip test if file is device).
if((attr & DOS_ATTR_DIRECTORY) || (attr & DOS_ATTR_VOLUME)){
DOS_SetError(DOSERR_ACCESS_DENIED);
return false;
}
}
DOS_PSP psp(dos.psp());
Bit8u devnum=DOS_DEVICES;
devnum=DOS_FindDevice((char *)name);
bool device=(devnum!=DOS_DEVICES);
char fullname[DOS_PATHLENGTH];Bit8u drive;Bit8u i;
/* First check if the name is correct */
/* First check if the name is correct */
if (!DOS_MakeName(name,fullname,&drive)) return false;
Bit8u handle=255;
/* Check for a free file handle */