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Add beta2 patch. Add some basic file/path not found error. Fixes some installer.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2734
This commit is contained in:
Peter Veenstra 2007-01-08 21:20:23 +00:00
parent 384f3703eb
commit cb75e86089
1 changed files with 21 additions and 3 deletions
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24
src/dos/dos_files.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: dos_files.cpp,v 1.80 2007-01-08 19:45:39 qbix79 Exp $ */
/* $Id: dos_files.cpp,v 1.81 2007-01-08 21:20:23 qbix79 Exp $ */
#include <string.h>
#include <stdlib.h>
@ -382,6 +382,20 @@ bool DOS_CloseFile(Bit16u entry) {
return true;
}
static bool PathExists(char* name) {
char* leading = strrchr(name,'\\');
if(!leading) return true;
char temp[CROSS_LEN];
strcpy(temp,name);
leading = strrchr(temp,'\\');
*leading = 0;
Bit8u drive;char fulldir[DOS_PATHLENGTH];
if (!DOS_MakeName(temp,fulldir,&drive)) return false;
if(!Drives[drive]->TestDir(fulldir)) return false;
return true;
}
bool DOS_CreateFile(char * name,Bit16u attributes,Bit16u * entry) {
// Creation of a device is the same as opening it
// Tc201 installer
@ -417,6 +431,8 @@ bool DOS_CreateFile(char * name,Bit16u attributes,Bit16u * entry) {
psp.SetFileHandle(*entry,handle);
return true;
} else {
if(!PathExists(name)) DOS_SetError(DOSERR_PATH_NOT_FOUND);
else DOS_SetError(DOSERR_FILE_NOT_FOUND);
return false;
}
}
@ -475,8 +491,10 @@ bool DOS_OpenFile(char * name,Bit8u flags,Bit16u * entry) {
//Test if file exists, but opened in read-write mode (and writeprotected)
if(((flags&3) != OPEN_READ) && Drives[drive]->FileExists(fullname))
DOS_SetError(DOSERR_ACCESS_DENIED);
else
DOS_SetError(DOSERR_FILE_NOT_FOUND);
else {
if(!PathExists(name)) DOS_SetError(DOSERR_PATH_NOT_FOUND);
else DOS_SetError(DOSERR_FILE_NOT_FOUND);
}
return false;
}
}