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fix CreateTempFile error handling (namiltd, sf patch #1674288)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2843
This commit is contained in:
Sebastian Strohhäcker 2007-04-17 18:48:41 +00:00
parent 12d417e58c
commit a0232dbf2e
1 changed files with 4 additions and 3 deletions
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7
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 1.82 2007-03-23 08:27:39 qbix79 Exp $ */
/* $Id: dos_files.cpp,v 1.83 2007-04-17 18:48:41 c2woody Exp $ */
#include <string.h>
#include <stdlib.h>
@ -639,9 +639,9 @@ bool DOS_ForceDuplicateEntry(Bit16u entry,Bit16u newentry) {
bool DOS_CreateTempFile(char * name,Bit16u * entry) {
/* First add random crap to the end of the name and try to open */
/* Todo maybe check for euhm existence of the path name */
char * tempname;
tempname=name+strlen(name);
dos.errorcode=0;
do {
Bit32u i;
for (i=0;i<8;i++) {
@ -652,7 +652,8 @@ bool DOS_CreateTempFile(char * name,Bit16u * entry) {
tempname[i]=(rand()%26)+'A';
}
tempname[12]=0;
} while (!DOS_CreateFile(name,0,entry));
} while ((!DOS_CreateFile(name,0,entry)) && (dos.errorcode==DOSERR_FILE_ALREADY_EXISTS));
if (dos.errorcode) return false;
return true;
}