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Fixed redirect filehandle (force duplicate). Has this function ever worked ?

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2115
This commit is contained in:
Peter Veenstra 2005-02-24 11:29:26 +00:00
parent fcad77e2cb
commit b5d98a5162
1 changed files with 11 additions and 23 deletions
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34
src/dos/dos_files.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos_files.cpp,v 1.60 2005-02-10 10:20:51 qbix79 Exp $ */
/* $Id: dos_files.cpp,v 1.61 2005-02-24 11:29:26 qbix79 Exp $ */
#include <string.h>
#include <stdlib.h>
@ -558,14 +558,12 @@ bool DOS_DuplicateEntry(Bit16u entry,Bit16u * newentry) {
};
bool DOS_ForceDuplicateEntry(Bit16u entry,Bit16u newentry) {
// Dont duplicate console handles
/* if (entry<=STDPRN) {
newentry = entry;
return true;
};
*/
Bit8u orig=RealHandle(entry);
if (orig>=DOS_FILES) {
if(entry == newentry) {
DOS_SetError(DOSERR_INVALID_HANDLE);
return false;
}
Bit8u orig = RealHandle(entry);
if (orig >= DOS_FILES) {
DOS_SetError(DOSERR_INVALID_HANDLE);
return false;
};
@ -573,18 +571,13 @@ bool DOS_ForceDuplicateEntry(Bit16u entry,Bit16u newentry) {
DOS_SetError(DOSERR_INVALID_HANDLE);
return false;
};
Bit8u newone=RealHandle(newentry);
if (newone>=DOS_FILES) {
DOS_SetError(DOSERR_INVALID_HANDLE);
return false;
};
if (Files[newone]) {
Bit8u newone = RealHandle(newentry);
if (newone < DOS_FILES && Files[newone]) {
DOS_CloseFile(newentry);
return false;
};
}
DOS_PSP psp(dos.psp());
Files[orig]->AddRef();
psp.SetFileHandle(newentry,(Bit8u)entry);
psp.SetFileHandle(newentry,orig);
return true;
};
@ -1034,8 +1027,3 @@ void DOS_SetupFiles (void) {
}
Drives[25]=new Virtual_Drive();
}