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Attempting to unlink (delete) an existing device name returns an access denied error. Fixes EMM device driver detection, and thus SoundBlaster sound, in the Striker soccer game. Also add a log message for FindFirst.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3905
This commit is contained in:
ripsaw8080 2015-03-13 13:47:26 +00:00
parent 4a221045be
commit 235939e277
1 changed files with 6 additions and 0 deletions
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6
src/dos/dos_files.cpp
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@ -309,6 +309,7 @@ bool DOS_Rename(char const * const oldname,char const * const newname) {
}
bool DOS_FindFirst(char * search,Bit16u attr,bool fcb_findfirst) {
LOG(LOG_FILES,LOG_NORMAL)("file search attributes %X name %s",attr,search);
DOS_DTA dta(dos.dta());
Bit8u drive;char fullsearch[DOS_PATHLENGTH];
char dir[DOS_PATHLENGTH];char pattern[DOS_PATHLENGTH];
@ -633,6 +634,11 @@ bool DOS_OpenFileExtended(char const * name, Bit16u flags, Bit16u createAttr, Bi
bool DOS_UnlinkFile(char const * const name) {
char fullname[DOS_PATHLENGTH];Bit8u drive;
// An existing device returns an access denied error
if (DOS_FindDevice(name) != DOS_DEVICES) {
DOS_SetError(DOSERR_ACCESS_DENIED);
return false;
}
if (!DOS_MakeName(name,fullname,&drive)) return false;
if(Drives[drive]->FileUnlink(fullname)){
return true;