int file_cvt(unsigned char *name,unsigned char *fixed)
{
unsigned char c;
int size,ext,cnt;
size = 8;
ext = 0;
while (*name) {
c = *name;
if (c < ' ' || c > 0x7e || strchr("*?<>|\"/",c)) {
VfatPrint("Invalid character in name. Use \\ooo for special "
"characters.\n");
return 0;
}
if (c == '.') {
if (ext) {
VfatPrint("Duplicate dots in name.\n");
return 0;
}
while (size--) *fixed++ = ' ';
size = 3;
ext = 1;
name++;
continue;
}
if (c == '\\') {
c = 0;
for (cnt = 3; cnt; cnt--) {
if (*name < '0' || *name > '7') {
VfatPrint("Invalid octal character.\n");
return 0;
}
c = c*8+*name++-'0';
}
if (cnt < 4) {
VfatPrint("Expected three octal digits.\n");
return 0;
}
name += 3;
}
if (islower(c)) c = toupper(c);
if (size) {
*fixed++ = c;
size--;
}
name++;
}
if (*name || size == 8) return 0;
if (!ext) {
while (size--) *fixed++ = ' ';
size = 3;
}
while (size--) *fixed++ = ' ';
return 1;
}
void file_modify(FDSC **curr,unsigned char *fixed)
{
FDSC **this,*next;
if (!(this = file_find(curr,(char *)fixed)))
die("Internal error: file_find failed");
switch ((*this)->type) {
case fdt_drop:
VfatPrint("Dropping %s\n",file_name(fixed));
*fixed = DELETED_FLAG;
break;
case fdt_undelete:
*fixed = *(*this)->name;
VfatPrint("Undeleting %s\n",file_name(fixed));
break;
default:
die("Internal error: file_modify");
}
next = (*this)->next;
vffree(*this);
*this = next;
}
NTSTATUS
WINAPI
VfatChkdsk(IN PUNICODE_STRING DriveRoot,
IN BOOLEAN FixErrors,
IN BOOLEAN Verbose,
IN BOOLEAN CheckOnlyIfDirty,
IN BOOLEAN ScanDrive,
IN PFMIFSCALLBACK Callback)
{
#if 0
BOOLEAN verify;
BOOLEAN salvage_files;
#endif
//ULONG free_clusters;
//DOS_FS fs;
/* Store callback pointer */
ChkdskCallback = Callback;
FsCheckMemQueue = NULL;
/* Set parameters */
FsCheckFlags = 0;
if (Verbose)
FsCheckFlags |= FSCHECK_VERBOSE;
FsCheckTotalFiles = 0;
#if 0
verify = TRUE;
salvage_files = TRUE;
/* Open filesystem */
fs_open(DriveRoot,FixErrors);
if (CheckOnlyIfDirty && !fs_isdirty())
{
/* No need to check FS */
return fs_close(FALSE);
}
read_boot(&fs);
if (verify)
VfatPrint("Starting check/repair pass.\n");
while (read_fat(&fs), scan_root(&fs))
qfree(&FsCheckMemQueue);
if (ScanDrive)
fix_bad(&fs);
if (salvage_files)
reclaim_file(&fs);
else
reclaim_free(&fs);
free_clusters = update_free(&fs);
file_unused();
qfree(&FsCheckMemQueue);
if (verify)
{
VfatPrint("Starting verification pass.\n");
read_fat(&fs);
scan_root(&fs);
reclaim_free(&fs);
qfree(&FsCheckMemQueue);
}
if (fs_changed())
{
if (FixErrors)
{
if (FsCheckFlags & FSCHECK_INTERACTIVE)
FixErrors = get_key("yn","Perform changes ? (y/n)") == 'y';
else
VfatPrint("Performing changes.\n");
}
else
{
VfatPrint("Leaving file system unchanged.\n");
}
}
VfatPrint("%wZ: %u files, %lu/%lu clusters\n", DriveRoot,
FsCheckTotalFiles, fs.clusters - free_clusters, fs.clusters );
if (FixErrors)
{
/* Dismount the volume */
fs_dismount();
/* Unlock the volume */
fs_lock(FALSE);
}
/* Close the volume */
return fs_close(FixErrors) ? STATUS_SUCCESS : STATUS_UNSUCCESSFUL;
#else
return STATUS_SUCCESS;
#endif
}