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Close sourcefile if open in FCB_Rename. Fixes ancient dutch version of wordstart

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3657
This commit is contained in:
Peter Veenstra 2010-11-06 13:58:43 +00:00
parent 480bc0377a
commit 90daf1718b
1 changed files with 20 additions and 0 deletions
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20
src/dos/dos_files.cpp
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@ -1166,9 +1166,29 @@ bool DOS_FCBDeleteFile(Bit16u seg,Bit16u offset){
bool DOS_FCBRenameFile(Bit16u seg, Bit16u offset){
DOS_FCB fcbold(seg,offset);
DOS_FCB fcbnew(seg,offset+16);
if(!fcbold.Valid()) return false;
char oldname[DOS_FCBNAME];
char newname[DOS_FCBNAME];
fcbold.GetName(oldname);fcbnew.GetName(newname);
/* Check, if sourcefile is still open. This was possible in DOS, but modern oses don't like this */
Bit8u drive; char fullname[DOS_PATHLENGTH];
if (!DOS_MakeName(oldname,fullname,&drive)) return false;
DOS_PSP psp(dos.psp());
for (Bit8u i=0;i<DOS_FILES;i++) {
if (Files[i] && Files[i]->IsOpen() && Files[i]->IsName(fullname)) {
Bit16u handle = psp.FindEntryByHandle(i);
if (handle == 0xFF) {
// This shouldnt happen
LOG(LOG_FILES,LOG_ERROR)("DOS: File %s is opened but has no psp entry.",oldname);
return false;
}
DOS_CloseFile(handle);
}
}
/* Rename the file */
return DOS_Rename(oldname,newname);
}