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adapt FindFirst to support mscdex behaviour of cdrom label searches

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2687
This commit is contained in:
Sebastian Strohhäcker 2006-08-17 12:07:22 +00:00
parent 7a452cbf72
commit 181f65ee5f
1 changed files with 23 additions and 15 deletions
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38
src/dos/drive_local.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: drive_local.cpp,v 1.70 2006-08-01 20:57:28 c2woody Exp $ */
/* $Id: drive_local.cpp,v 1.71 2006-08-17 12:07:22 c2woody Exp $ */
#include <stdio.h>
#include <stdlib.h>
@ -208,23 +208,31 @@ bool localDrive::FindFirst(char * _dir,DOS_DTA & dta,bool fcb_findfirst) {
Bit8u sAttr;
dta.GetSearchParams(sAttr,tempDir);
if (sAttr == DOS_ATTR_VOLUME) {
if ( strcmp(dirCache.GetLabel(), "") == 0 ) {
// LOG(LOG_DOSMISC,LOG_ERROR)("DRIVELABEL REQUESTED: none present, returned NOLABEL");
// dta.SetResult("NO_LABEL",0,0,0,DOS_ATTR_VOLUME);
// return true;
DOS_SetError(DOSERR_NO_MORE_FILES);
return false;
}
dta.SetResult(dirCache.GetLabel(),0,0,0,DOS_ATTR_VOLUME);
return true;
} else if ((sAttr & DOS_ATTR_VOLUME) && (*_dir == 0) && !fcb_findfirst) {
//should check for a valid leading directory instead of 0
//exists==true if the volume label matches the searchmask and the path is valid
if (WildFileCmp(dirCache.GetLabel(),tempDir)) {
if (this->isRemote() && this->isRemovable()) {
// cdroms behave a bit different than regular drives
if (sAttr == DOS_ATTR_VOLUME) {
dta.SetResult(dirCache.GetLabel(),0,0,0,DOS_ATTR_VOLUME);
return true;
}
} else {
if (sAttr == DOS_ATTR_VOLUME) {
if ( strcmp(dirCache.GetLabel(), "") == 0 ) {
// LOG(LOG_DOSMISC,LOG_ERROR)("DRIVELABEL REQUESTED: none present, returned NOLABEL");
// dta.SetResult("NO_LABEL",0,0,0,DOS_ATTR_VOLUME);
// return true;
DOS_SetError(DOSERR_NO_MORE_FILES);
return false;
}
dta.SetResult(dirCache.GetLabel(),0,0,0,DOS_ATTR_VOLUME);
return true;
} else if ((sAttr & DOS_ATTR_VOLUME) && (*_dir == 0) && !fcb_findfirst) {
//should check for a valid leading directory instead of 0
//exists==true if the volume label matches the searchmask and the path is valid
if (WildFileCmp(dirCache.GetLabel(),tempDir)) {
dta.SetResult(dirCache.GetLabel(),0,0,0,DOS_ATTR_VOLUME);
return true;
}
}
}
return FindNext(dta);
}