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add fatDrive::GetFileAttr, update FileCreate to handle existing files on a diskimage

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2318
This commit is contained in:
Sebastian Strohhäcker 2005-09-23 11:42:29 +00:00
parent 37d91eea18
commit 3feb3975e1
1 changed files with 23 additions and 16 deletions
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39
src/dos/drive_fat.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: drive_fat.cpp,v 1.8 2005-02-10 10:20:51 qbix79 Exp $ */
/* $Id: drive_fat.cpp,v 1.9 2005-09-23 11:42:29 c2woody Exp $ */
#include <stdio.h>
#include <stdlib.h>
@ -723,21 +723,25 @@ bool fatDrive::FileCreate(DOS_File **file, char *name, Bit16u attributes) {
char pathName[11];
/* Check if file already exists */
if(getFileDirEntry(name, &fileEntry, &dirClust, &subEntry)) return false;
if(getFileDirEntry(name, &fileEntry, &dirClust, &subEntry)) {
/* Truncate file */
fileEntry.entrysize=0;
directoryChange(dirClust, &fileEntry, subEntry);
} else {
/* Can we even get the name of the file itself? */
if(!getEntryName(name, &dirName[0])) return false;
convToDirFile(&dirName[0], &pathName[0]);
/* Can we even get the name of the file itself? */
if(!getEntryName(name, &dirName[0])) return false;
convToDirFile(&dirName[0], &pathName[0]);
/* Can we find the base directory? */
if(!getDirClustNum(name, &dirClust, true)) return false;
memset(&fileEntry, 0, sizeof(direntry));
memcpy(&fileEntry.entryname, &pathName[0], 11);
fileEntry.attrib = attributes;
addDirectoryEntry(dirClust, fileEntry);
/* Can we find the base directory? */
if(!getDirClustNum(name, &dirClust, true)) return false;
memset(&fileEntry, 0, sizeof(direntry));
memcpy(&fileEntry.entryname, &pathName[0], 11);
fileEntry.attrib = attributes;
addDirectoryEntry(dirClust, fileEntry);
/* Check if file exists now */
if(!getFileDirEntry(name, &fileEntry, &dirClust, &subEntry)) return false;
/* Check if file exists now */
if(!getFileDirEntry(name, &fileEntry, &dirClust, &subEntry)) return false;
}
/* Empty file created, now lets open it */
/* TODO: check for read-only flag and requested write access */
@ -881,8 +885,11 @@ bool fatDrive::FindNext(DOS_DTA &dta) {
}
bool fatDrive::GetFileAttr(char *name, Bit16u *attr) {
/* TODO: Stub */
return false;
direntry fileEntry;
Bit32u dirClust, subEntry;
if(!getFileDirEntry(name, &fileEntry, &dirClust, &subEntry)) return false;
*attr=fileEntry.attrib;
return true;
}
bool fatDrive::directoryBrowse(Bit32u dirClustNumber, direntry *useEntry, Bit32s entNum) {