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backwrap directory iterator variable for iso drive in free iterator function (thanks to rcblanke; fixes armored fist 2 installer on an iso drive)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3467
This commit is contained in:
Sebastian Strohhäcker 2009-09-22 21:48:08 +00:00
parent 2970dead37
commit 25c7518a8c
1 changed files with 6 additions and 2 deletions
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8
src/dos/drive_iso.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: drive_iso.cpp,v 1.26 2009-06-19 18:28:10 c2woody Exp $ */
/* $Id: drive_iso.cpp,v 1.27 2009-09-22 21:48:08 c2woody Exp $ */
#include <cctype>
#include <cstring>
@ -430,7 +430,11 @@ void isoDrive::FreeDirIterator(const int dirIterator) {
// if this was the last aquired iterator decrement nextFreeIterator
if ((dirIterator + 1) % MAX_OPENDIRS == nextFreeDirIterator) {
nextFreeDirIterator--;
if (nextFreeDirIterator>0) {
nextFreeDirIterator--;
} else {
nextFreeDirIterator = MAX_OPENDIRS-1;
}
}
}