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Fix possible bug with adding a file 2 times to the drive_cache

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2151
This commit is contained in:
Peter Veenstra 2005-03-25 09:11:08 +00:00
parent e6509a06a6
commit cbb309f5d4
1 changed files with 14 additions and 3 deletions
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17
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 1.55 2005-02-10 10:20:51 qbix79 Exp $ */
/* $Id: drive_local.cpp,v 1.56 2005-03-25 09:11:08 qbix79 Exp $ */
#include <stdio.h>
#include <stdlib.h>
@ -53,13 +53,24 @@ bool localDrive::FileCreate(DOS_File * * file,char * name,Bit16u attributes) {
strcpy(newname,basedir);
strcat(newname,name);
CROSS_FILENAME(newname);
FILE * hand=fopen(dirCache.GetExpandName(newname),"wb+");
dirCache.ExpandName(newname);
/* Test if file exists (so we need to truncate it). don't add to dirCache then */
bool existing_file=false;
FILE * test=fopen(newname,"rb+");
if(test) {
fclose(test);
existing_file=true;
}
FILE * hand=fopen(newname,"wb+");
if (!hand){
LOG_MSG("Warning: file creation failed: %s",newname);
return false;
}
dirCache.AddEntry(newname, true);
if(!existing_file) dirCache.AddEntry(newname, true);
/* Make the 16 bit device information */
*file=new localFile(name,hand,0x202);