int IsFileSystemDumb(char *dir)
{
char drive[5], path[256], name[256];
_splitpath(dir, drive, path, NULL, NULL);
_makepath(name, drive, path, ".DUMB.TEST.NAME", NULL);
return !IsFileNameValid(name);
}
static KWBoolean advancedFS(const char *input)
{
static char UUFAR cache[256] = ""; /* Initialize cache to zeroes */
char fdrive[_MAX_DRIVE],
fpath[_MAX_DIR],
fname[_MAX_FNAME],
fdummy[_MAX_PATH];
_splitpath((char *) input, fdrive, fpath, fdummy, fdummy);
/*--------------------------------------------------------------------*/
/* Determine if our cache holds the answer for the drive */
/* if the path begins with an alphabetic character */
/*--------------------------------------------------------------------*/
if (isalpha( *fdrive ))
switch(cache[ (unsigned char) *fdrive ])
{
case CACHE_LONG_NAME_SUPPORT:
case CACHE_SHORT_NAME_ONLY:
break; /* Cached answer, report it */
default: /* No cache, determine answer */
strcpy(fname, fdrive);
strcat(fname, fpath);
strcat(fname, ".test.only-do.not.ask.questions.about.failures.to.open.this.file");
cache[ (unsigned char) *fdrive ] =
(char) (IsFileNameValid(fname) ? CACHE_LONG_NAME_SUPPORT : CACHE_SHORT_NAME_ONLY);
printmsg(4, "advancedFS: %s resides on file system supporting %s",
input,
(char *) (cache[ (unsigned char) *fdrive ] == CACHE_SHORT_NAME_ONLY ?
"only 8.3 names" :
"long file names"));
break;
}
/*--------------------------------------------------------------------*/
/* Report our now cached results back to the caller */
/*--------------------------------------------------------------------*/
if (cache[ (unsigned char) *fdrive ] == CACHE_LONG_NAME_SUPPORT)
return KWTrue;
else
return KWFalse;
} /* advancedFS */
//return 0: no error
//return 1: lpPath is invalid
//return 2: lpPath can not be created(bValidate==FALSE)
int CPathDialog::Touch(LPCTSTR lpPath, BOOL bValidate)
{
if(lpPath==NULL)
{
return 1;
}
TCHAR szPath[MAX_PATH];
_tcscpy_s(szPath, lpPath);
int nLen = _tcslen(szPath);
//path must be "x:\..."
if( ( nLen<3 ) ||
( ( szPath[0]<_T('A') || _T('Z')<szPath[0] ) &&
( szPath[0]<_T('a') || _T('z')<szPath[0] ) ||
( szPath[1]!=_T(':') )||
( szPath[2]!=_T('\\') )
)
)
{
return 1;
}
int i;
if(nLen==3)
{
if(!bValidate)
{
if(_access(szPath, 0)!=0)
{
return 2;
}
}
return 0;
}
i = 3;
BOOL bLastOne=TRUE;
LPTSTR lpCurrentName;
while(szPath[i]!=0)
{
lpCurrentName = &szPath[i];
while( (szPath[i]!=0) && (szPath[i]!=_T('\\')) )
{
i++;
}
bLastOne =(szPath[i]==0);
szPath[i] = 0;
if( !IsFileNameValid(lpCurrentName) )
{
return 1;
}
if(!bValidate)
{
CreateDirectory(szPath, NULL);
if(_taccess(szPath, 0)!=0)
{
return 2;
}
}
if(bLastOne)
{
break; //it's done
}
else
{
szPath[i] = _T('\\');
}
i++;
}
return (bLastOne?0:1);
}
