RETVAL PlaceDescriptorInFat(RDWRHandle handle)
{
struct BootSectorStruct boot;
SECTOR fatstart;
char buffer[BYTESPERSECTOR], *p;
if (!ReadBootSector(handle, &boot))
return ERROR;
fatstart = GetFatStart(handle);
if (!fatstart) return ERROR;
if (ReadSectors(handle, 1, fatstart, buffer) == -1)
return ERROR;
if (buffer[0] != boot.descriptor)
{
ReportFileSysError("Wrong descriptor value in FAT",
0,
&p,
0,
FALSE);
buffer[0] = boot.descriptor;
if (WriteSectors(handle, 1, fatstart, buffer, WR_FAT) == -1)
return ERROR;
if (!BackupFat(handle))
return ERROR;
}
return SUCCESS;
}
RETVAL CheckDescriptorInFat(RDWRHandle handle)
{
struct BootSectorStruct boot;
SECTOR fatstart;
char buffer[BYTESPERSECTOR], *p;
if (!ReadBootSector(handle, &boot)) return ERROR;
fatstart = GetFatStart(handle);
if (!fatstart) return ERROR;
if (ReadSectors(handle, 1, fatstart, buffer) == -1) return FALSE;
if (boot.descriptor == buffer[0])
{
return SUCCESS;
}
else
{
ReportFileSysError("Wrong descriptor value in FAT",
0,
&p,
0,
FALSE);
}
return FAILED;
}
static BOOL ValidityChecker(RDWRHandle handle, CLUSTER label,
SECTOR datasector, void** structure)
{
char message[80], *p;
CLUSTER thisCluster;
struct Pipe* pipe = *((struct Pipe**) structure);
if (!IsLabelValid(handle, label))
{
thisCluster = DataSectorToCluster(handle, datasector);
if (!thisCluster) return FAIL;
sprintf(message, "Invalid cluster found at: %lu\n", thisCluster);
ReportFileSysError(message, 0, &p, 0, FALSE);
pipe->invalidfound = TRUE;
if (pipe->fixit)
{
if (!WriteFatLabel(handle, thisCluster, FAT_LAST_LABEL))
return FAIL;
}
}
return TRUE;
}
void ShowFileNameViolation(RDWRHandle handle,
char* filename,
char* message)
{
char* p;
UNUSED(handle);
sprintf(MessageBuffer, message, filename);
ReportFileSysError(MessageBuffer, 0, &p, 0, FALSE);
}
void ShowClusterViolation(RDWRHandle handle, CLUSTER cluster, char* message)
{
char* p;
if (!TraceClusterPathName(handle, cluster, FilePrintBuffer))
sprintf(FilePrintBuffer, "a file containing cluster %lu", cluster);
sprintf(MessageBuffer, message, FilePrintBuffer);
ReportFileSysError(MessageBuffer, 0, &p, 0, FALSE);
}
void ShowDirectoryViolation(RDWRHandle handle,
struct DirectoryPosition* pos,
struct DirectoryEntry* entry, /* Speed up */
char* message)
{
char* p;
if (!TraceFullPathName(handle, pos, FilePrintBuffer))
ConvertEntryPath(FilePrintBuffer, entry->filename, entry->extension);
sprintf(MessageBuffer, message, FilePrintBuffer);
ReportFileSysError(MessageBuffer, 0, &p, 0, FALSE);
}
