int8_t bmac_tx_pkt(char *buf, uint8_t len)
{
uint32_t mask;
if(tx_data_ready==1) return NRK_ERROR;
// If reserve exists check it
#ifdef NRK_MAX_RESERVES
if(tx_reserve!=-1)
{
if( nrk_reserve_consume(tx_reserve)==NRK_ERROR )
{
return NRK_ERROR;
}
}
#endif
nrk_signal_register(bmac_tx_pkt_done_signal);
tx_data_ready=1;
bmac_rfTxInfo.pPayload=buf;
bmac_rfTxInfo.length=len;
#ifdef DEBUG
printf("Waiting for tx done signal\r\n");
#endif
mask=nrk_event_wait (SIG(bmac_tx_pkt_done_signal));
if(mask==0) printf("BMAC TX: Error calling event wait\r\n");
if((mask&SIG(bmac_tx_pkt_done_signal))==0) printf("BMAC TX: Woke up on wrong signal\r\n");
if(pkt_got_ack) {//printf("NRK OK \r\n");
return NRK_OK;}
return NRK_ERROR;
}
void rx_task()
{
char c;
nrk_sig_t uart_rx_signal;
nrk_sig_mask_t sm;
printf( "My node's address is %d\r\n",NODE_ADDR );
printf( "rx_task PID=%d\r\n",nrk_get_pid());
// Get the signal for UART RX
uart_rx_signal=nrk_uart_rx_signal_get();
// Register your task to wakeup on RX Data
if(uart_rx_signal==NRK_ERROR) nrk_kprintf( PSTR("Get Signal ERROR!\r\n") );
nrk_signal_register(uart_rx_signal);
while(1) {
// Wait for UART signal
while(nrk_uart_data_ready(NRK_DEFAULT_UART)!=0)
{
// Read Character
c=getchar();
printf( "%c",c);
if(c=='x') nrk_led_set(GREEN_LED);
else nrk_led_clr(GREEN_LED);
}
sm=nrk_event_wait(SIG(uart_rx_signal));
if(sm != SIG(uart_rx_signal))
nrk_kprintf( PSTR("RX signal error") );
nrk_kprintf( PSTR("\r\ngot uart data: ") );
}
}
int8_t isa_wait_until_rx_or_tx ()
{
nrk_signal_register(isa_rx_pkt_signal);
nrk_signal_register(isa_tx_done_signal);
nrk_event_wait (SIG(isa_rx_pkt_signal) | SIG(isa_tx_done_signal));
return NRK_OK;
}
int8_t tdma_send (tdma_info * fd, uint8_t * buf, uint8_t len, uint8_t flags)
{
uint32_t mask;
uint8_t i;
if (tx_data_ready == 1)
return NRK_ERROR;
if (len == 0)
return NRK_ERROR;
if (buf == NULL)
return NRK_ERROR;
if (fd == NULL)
return NRK_ERROR;
// If reserve exists check it
#ifdef NRK_MAX_RESERVES
if (tx_reserve != -1) {
if (nrk_reserve_consume (tx_reserve) == NRK_ERROR) {
return NRK_ERROR;
}
}
#endif
if (flags == TDMA_BLOCKING)
nrk_signal_register (tdma_tx_pkt_done_signal);
tx_data_ready = 1;
tdma_rfTxInfo.pPayload = tdma_tx_buf;
// Setup the header data
tdma_rfTxInfo.pPayload[TDMA_SLOT_HIGH] = (fd->slot >> 8) & 0xff;
tdma_rfTxInfo.pPayload[TDMA_SLOT_LOW] = (fd->slot & 0xff);
tdma_rfTxInfo.pPayload[TDMA_DST_HIGH] = (fd->dst >> 8) & 0xff;
tdma_rfTxInfo.pPayload[TDMA_DST_LOW] = (fd->dst & 0xff);
tdma_rfTxInfo.pPayload[TDMA_SRC_HIGH] = (fd->src >> 8) & 0xff;
tdma_rfTxInfo.pPayload[TDMA_SRC_LOW] = (tdma_my_mac & 0xff);
tdma_rfTxInfo.pPayload[TDMA_SEQ_NUM_HIGH] = (tdma_my_mac >> 8) & 0xff;
tdma_rfTxInfo.pPayload[TDMA_SEQ_NUM_LOW] = (fd->seq_num & 0xff);
tdma_rfTxInfo.pPayload[TDMA_CYCLE_SIZE_HIGH] = (fd->cycle_size >> 8) & 0xff;
tdma_rfTxInfo.pPayload[TDMA_CYCLE_SIZE_LOW] = (fd->cycle_size & 0xff);
// Copy the user payload to the back of the header
for (i = 0; i < len; i++)
tdma_rfTxInfo.pPayload[i + TDMA_PCF_HEADER] = buf[i];
// Set packet length with header
tdma_rfTxInfo.length = len + TDMA_PCF_HEADER;
#ifdef DEBUG
nrk_kprintf (PSTR ("Waiting for tx done signal\r\n"));
#endif
if (flags == TDMA_BLOCKING) {
mask = nrk_event_wait (SIG (tdma_tx_pkt_done_signal));
if (mask == 0)
nrk_kprintf (PSTR ("TDMA TX: Error calling event wait\r\n"));
if ((mask & SIG (tdma_tx_pkt_done_signal)) == 0)
nrk_kprintf (PSTR ("TDMA TX: Woke up on wrong signal\r\n"));
return NRK_OK;
}
return NRK_OK;
}
void bmac_nw_task ()
{
int8_t v;
int8_t e;
uint8_t backoff;
nrk_sig_mask_t event;
while(bmac_started()==0) nrk_wait_until_next_period();
//register the signal after bmac_init has been called
v=nrk_signal_register(bmac_enable_signal);
if(v==NRK_ERROR) nrk_kprintf( PSTR("Failed to register signal\r\n"));
backoff=0;
while (1) {
#ifdef NRK_SW_WDT
#ifdef BMAC_SW_WDT_ID
nrk_sw_wdt_update(BMAC_SW_WDT_ID);
#endif
#endif
if(is_enabled ) {
v=1;
if(rx_buf_empty==1) v=_bmac_channel_check();
// If the buffer is full, signal the receiving task again.
else e=nrk_event_signal (bmac_rx_pkt_signal);
// bmac_channel check turns on radio, don't turn off if
// data is coming.
if(v==0)
{
if(_bmac_rx()==1)
{
e=nrk_event_signal (bmac_rx_pkt_signal);
//if(e==NRK_ERROR) {
// nrk_kprintf( PSTR("bmac rx pkt signal failed\r\n"));
// printf( "errno: %u \r\n",nrk_errno_get() );
//}
}
//else nrk_kprintf( PSTR("Pkt failed, buf could be corrupt\r\n" ));
}
if(/*rx_buf_empty==1 &&*/ tx_data_ready==1)
{
rf_rx_off();
_bmac_tx();
}
//do {
nrk_wait(_bmac_check_period);
// if(rx_buf_empty!=1) nrk_event_signal (bmac_rx_pkt_signal);
//} while(rx_buf_empty!=1);
} else {
event=0;
do {
v=nrk_signal_register(bmac_enable_signal);
event=nrk_event_wait (SIG(bmac_enable_signal));
} while((event & SIG(bmac_enable_signal))==0);
}
//nrk_wait_until_next_period();
}
}
void bmac_nw_task()
{
int8_t v;
int8_t e;
uint8_t backoff;
nrk_sig_mask_t event;
while(bmac_started() == 0) {
nrk_wait_until_next_period();
}
while(1) {
if(is_enabled)
{
v = 1;
rf_rx_on();
if(rx_buf_empty) {
v = _bmac_channel_check();
} else {
e = nrk_event_signal(bmac_rx_pkt_signal); // Mb
// Should signal user task here as a "reminder"
}
if(v == 0) {
// Channel detected as busy, attept to Rx
_bmac_rx();
// Should signal user task here to notify of Rx
}
else if(tx_data_ready) {
// Only try to Tx if the channel is free
rf_rx_off(); // Mb
_bmac_tx();
}
//rf_rx_off(); // Mb
nrk_wait(_bmac_check_period);
}
else
{
event =0;
do
{
v = nrk_signal_register(bmac_enable_signal);
event = nrk_event_wait(SIG(bmac_enable_signal));
}
while((event & SIG(bmac_enable_signal))==0);
}
}
}
int8_t nrk_signal_register(int8_t sig_id)
{
// Make sure the signal was created...
if(SIG(sig_id) & _nrk_signal_list )
{
nrk_cur_task_TCB->registered_signal_mask|=SIG(sig_id);
return NRK_OK;
}
return NRK_ERROR;
}
int8_t bmac_wait_until_rx_pkt()
{
nrk_sig_mask_t event;
if(bmac_rx_pkt_ready()==1) return NRK_OK;
nrk_signal_register(bmac_rx_pkt_signal);
event=nrk_event_wait (SIG(bmac_rx_pkt_signal));
// Check if it was a time out instead of packet RX signal
if((event & SIG(bmac_rx_pkt_signal)) == 0 ) return NRK_ERROR;
else return NRK_OK;
}
void tx_task ()
{
uint8_t j, i, val, len, cnt;
volatile uint8_t start;
uint16_t ticks,ticks_min,ticks_max;
uint16_t iterations;
uint16_t nrk_max_sleep_wakeup_time;
nrk_sig_t tx_done_signal;
nrk_sig_mask_t ret;
iterations=0;
ticks_min=-1;
ticks_max=0;
tx_data_ok=0;
// Wait until the tx_task starts up bmac
// This should be called by all tasks using bmac that
// do not call bmac_init()...
while (!bmac_started ())
nrk_wait_until_next_period ();
// Get and register the tx_done_signal if you want to
// do non-blocking transmits
tx_done_signal = bmac_get_tx_done_signal ();
nrk_signal_register (tx_done_signal);
cnt = 0;
while (1) {
// Build a TX packet
sprintf (tx_buf, "This is a test %d", cnt);
cnt++;
// For blocking transmits, use the following function call.
// For this there is no need to register
// val=bmac_tx_packet(tx_buf, strlen(tx_buf));
// This function shows how to transmit packets in a
// non-blocking manner
val = bmac_tx_pkt_nonblocking(tx_buf, strlen (tx_buf));
// This functions waits on the tx_done_signal
ret = nrk_event_wait (SIG(tx_done_signal));
// Just check to be sure signal is okay
if(ret & SIG(tx_done_signal) == 0 )
nrk_kprintf (PSTR ("TX done signal error\r\n"));
else tx_data_ok=1;
// Task gets control again after TX complete
//nrk_kprintf (PSTR ("Tx task sent data!\r\n"));
nrk_wait_until_next_period ();
}
}
int8_t tdma_recv (tdma_info * fd, uint8_t * buf, uint8_t * len, uint8_t flags)
{
nrk_sig_mask_t event;
uint8_t i;
if (flags == TDMA_BLOCKING) {
if (tdma_rx_buf_empty == 1) {
nrk_signal_register (tdma_rx_pkt_signal);
event = nrk_event_wait (SIG (tdma_rx_pkt_signal));
}
}
else if (tdma_rx_buf_empty == 1)
return NRK_ERROR;
if (tdma_rfRxInfo.length < TDMA_PCF_HEADER)
return NRK_ERROR;
// Set the length
*len = (uint8_t) (tdma_rfRxInfo.length - TDMA_PCF_HEADER);
// Copy the payload data
for (i = 0; i < *len; i++)
buf[i] = tdma_rfRxInfo.pPayload[i + TDMA_PCF_HEADER];
// Fill the information struct
fd->rssi = tdma_rfRxInfo.rssi;
fd->src =
((uint16_t) tdma_rfRxInfo.pPayload[TDMA_SRC_HIGH] << 8) | tdma_rfRxInfo.
pPayload[TDMA_SRC_LOW];
fd->dst =
((uint16_t) tdma_rfRxInfo.pPayload[TDMA_DST_HIGH] << 8) | tdma_rfRxInfo.
pPayload[TDMA_DST_LOW];
fd->slot =
((uint16_t) tdma_rfRxInfo.pPayload[TDMA_SLOT_HIGH] << 8) | tdma_rfRxInfo.
pPayload[TDMA_SLOT_LOW];
fd->seq_num =
((uint16_t) tdma_rfRxInfo.
pPayload[TDMA_SEQ_NUM_HIGH] << 8) | tdma_rfRxInfo.
pPayload[TDMA_SEQ_NUM_LOW];
fd->cycle_size =
((uint16_t) tdma_rfRxInfo.
pPayload[TDMA_CYCLE_SIZE_HIGH] << 8) | tdma_rfRxInfo.
pPayload[TDMA_CYCLE_SIZE_LOW];
// Check if it was a time out instead of packet RX signal
if (flags == TDMA_BLOCKING)
if ((event & SIG (tdma_rx_pkt_signal)) == 0)
return NRK_ERROR;
// Set the buffer as empty
tdma_rx_buf_empty = 1;
return NRK_OK;
}
int8_t nrk_signal_create()
{
uint8_t i=0;
for(i=0;i<32;i++)
{
if( !(_nrk_signal_list & SIG(i)))
{
_nrk_signal_list|=SIG(i);
return i;
}
}
return NRK_ERROR;
}
//return the number removed from signal set
int8_t nrk_signal_delete(nrk_sig_t sig_id)
{
uint8_t task_ID;
uint32_t sig_mask;
sig_mask=SIG(sig_id);
if( (sig_mask & _nrk_signal_list)==0) return NRK_ERROR;
nrk_int_disable();
for (task_ID=0; task_ID < NRK_MAX_TASKS; task_ID++){
if(nrk_task_TCB[task_ID].task_ID==-1) continue;
// Check for tasks waiting on the signal
// If there is a task that is waiting on just this signal
// then we need to change it to the normal SUSPEND state
if(nrk_task_TCB[task_ID].registered_signal_mask==sig_mask) //check to make sure its only signal its waiting on
{
// printf("delete t(%i) signal(%li)\r\n",task_ID,nrk_task_TCB[task_ID].registered_signal_mask);
nrk_task_TCB[task_ID].active_signal_mask=0;
nrk_task_TCB[task_ID].event_suspend=0;
nrk_task_TCB[task_ID].task_state=SUSPENDED;
}
nrk_task_TCB[task_ID].registered_signal_mask&=~sig_mask; //cheaper to remove than do a check
nrk_task_TCB[task_ID].active_signal_mask&=~sig_mask; //cheaper to remove than do a check
}
_nrk_signal_list&=~SIG(sig_id);
nrk_int_enable();
return NRK_OK;
}
void tx_task ()
{
int8_t v,state,outlet_state,dst_mac, outlet;
uint8_t len, cnt;
nrk_sig_t uart_rx_signal;
char c;
printf ("Gateway Tx Task PID=%u\r\n", nrk_get_pid ());
while (!tdma_started ())
nrk_wait_until_next_period ();
uart_rx_signal=nrk_uart_rx_signal_get();
nrk_signal_register(uart_rx_signal);
cnt = 0;
state=0;
while (1) {
if(nrk_uart_data_ready(NRK_DEFAULT_UART))
{
c=getchar();
if(state==1) {
dst_mac=c;
state=2;
} else if(state==2) {
outlet=c;
state=3;
} else if(state==3)
{
outlet_state=c;
state=4;
}
if(c=='S') state=1;
if(c=='E') {
if(state==4)
{
printf( "TX: %d %d %d\r\n",dst_mac, outlet, outlet_state );
tx_buf[0]=dst_mac;
tx_buf[1]=outlet;
tx_buf[2]=outlet_state;
len=3;
// Only transmit data if you want to do so
// Messages from the host are always broadcasts
v = tdma_send (&tx_tdma_fd, &tx_buf, len, TDMA_BLOCKING);
if (v == NRK_OK) {
nrk_kprintf (PSTR ("Host Packet Sent\n"));
}
}
state=0;
}
} else nrk_event_wait(SIG(uart_rx_signal));
}
}
int8_t isa_wait_until_rx_pkt()
{
nrk_signal_register(isa_rx_pkt_signal);
if (isa_rx_pkt_check() != 0)
return NRK_OK;
nrk_event_wait (SIG(isa_rx_pkt_signal));
return NRK_OK;
}
void task_snd()
{
uint8_t ret;
nrk_sig_t tx_done_signal;
uint16_t count=1;
// Wait until the rx_task starts up the protocol
while (!wd_started ())
nrk_wait_until_next_period ();
nrk_wait_until_next_period (); // wait one more period after init
tx_done_signal = wd_get_tx_signal ();
nrk_signal_register (tx_done_signal);
while(1) {
nrk_led_toggle(ORANGE_LED);
// put just two bytes of payload in the packet...
tx_buf[0]=0xCB;
tx_buf[1]=MSG_PRIO; // put MSG_PRIO in the payload also
// For blocking transmits, just use the following function call.
// wd_tx_packet(tx_buf, 2, MSG_PRIO);
// This function transmits packets in a non-blocking manner
ret = wd_tx_packet_enqueue (tx_buf, 2, MSG_PRIO);
// if (ret == NRK_OK) printf ("(%u) Tx packet enqueued\r\n", count);
// else printf ("(%u) Tx packet NOT enqueued\r\n", count);
if (ret == NRK_OK) nrk_kprintf (PSTR ("t"));
else nrk_kprintf (PSTR ("\r\nTx Enqueue error.\r\n"));
// This function waits on the tx_done_signal
//ret = wd_wait_until_tx_packet();
//if(ret != NRK_OK ) nrk_kprintf (PSTR ("TX error!\r\n")); // Just check result
// Or, we do it here...
ret = nrk_event_wait (SIG(tx_done_signal) | SIG(nrk_wakeup_signal));
//if(ret & SIG(tx_done_signal))
// printf ("(%u) TX send done \r\n", count++); // Just check result (signal is okay)
nrk_wait_until_next_period();
}
}
int8_t nrk_event_signal(int8_t sig_id)
{
uint8_t task_ID;
uint8_t event_occured=0;
uint32_t sig_mask;
sig_mask=SIG(sig_id);
// Check if signal was created
// Signal was not created
if((sig_mask & _nrk_signal_list)==0 ) { _nrk_errno_set(1); return NRK_ERROR;}
//needs to be atomic otherwise run the risk of multiple tasks being scheduled late and not in order of priority.
nrk_int_disable();
for (task_ID=0; task_ID < NRK_MAX_TASKS; task_ID++){
// if (nrk_task_TCB[task_ID].task_state == EVENT_SUSPENDED)
// {
// printf( "task %d is event suspended\r\n",task_ID );
if(nrk_task_TCB[task_ID].event_suspend==SIG_EVENT_SUSPENDED)
if((nrk_task_TCB[task_ID].active_signal_mask & sig_mask))
{
nrk_task_TCB[task_ID].task_state=SUSPENDED;
nrk_task_TCB[task_ID].next_wakeup=0;
nrk_task_TCB[task_ID].event_suspend=0;
// Add the event trigger here so it is returned
// from nrk_event_wait()
nrk_task_TCB[task_ID].active_signal_mask=sig_mask;
event_occured=1;
}
if(nrk_task_TCB[task_ID].event_suspend==RSRC_EVENT_SUSPENDED)
if((nrk_task_TCB[task_ID].active_signal_mask == sig_mask))
{
nrk_task_TCB[task_ID].task_state=SUSPENDED;
nrk_task_TCB[task_ID].next_wakeup=0;
nrk_task_TCB[task_ID].event_suspend=0;
// Add the event trigger here so it is returned
// from nrk_event_wait()
nrk_task_TCB[task_ID].active_signal_mask=0;
event_occured=1;
}
// }
}
nrk_int_enable();
if(event_occured)
{
return NRK_OK;
}
// No task was waiting on the signal
_nrk_errno_set(2);
return NRK_ERROR;
}
// signals
void VlcMediaPlayer::d_connect()
{
#define SIG(signal) connect(d, signal, signal)
SIG(SIGNAL(libvlcEvent(const libvlc_event_t *)));
SIG(SIGNAL(mediaChanged(libvlc_media_t *)));
SIG(SIGNAL(buffering(const float &)));
SIG(SIGNAL(stateChanged(const VlcState::Type &)));
SIG(SIGNAL(forward()));
SIG(SIGNAL(backward()));
SIG(SIGNAL(endReached()));
SIG(SIGNAL(encounteredError()));
SIG(SIGNAL(timeChanged(const qint64 &)));
SIG(SIGNAL(positionChanged(const float &)));
SIG(SIGNAL(seekableChanged(const int &)));
SIG(SIGNAL(pausableChanged(const int &)));
SIG(SIGNAL(titleChanged(const int &)));
SIG(SIGNAL(snapshotTaken(const QString &)));
SIG(SIGNAL(lengthChanged(const qint64 &)));
SIG(SIGNAL(voutChanged(const int &)));
#undef SIG
}
static nserror mimesniff__match_unknown_bom(const uint8_t *data, size_t len,
lwc_string **effective_type)
{
#define SIG(t, s, x) { (const uint8_t *) s, SLEN(s), x, t }
static const struct map_s bom_match_types[] = {
SIG(&text_plain, "\xfe\xff", false),
SIG(&text_plain, "\xff\xfe", false),
SIG(&text_plain, "\xef\xbb\xbf", false),
{ NULL, 0, false, NULL }
};
#undef SIG
const struct map_s *it;
for (it = bom_match_types; it->sig != NULL; it++) {
if (it->len <= len && memcmp(data, it->sig, it->len) == 0) {
*effective_type = lwc_string_ref(*it->type);
return NSERROR_OK;
}
}
return NSERROR_NOT_FOUND;
}
int8_t nrk_signal_unregister(int8_t sig_id)
{
uint32_t sig_mask;
sig_mask=SIG(sig_id);
if(nrk_cur_task_TCB->registered_signal_mask & sig_mask)
{
nrk_cur_task_TCB->registered_signal_mask&=~(sig_mask);
nrk_cur_task_TCB->active_signal_mask&=~(sig_mask);
}
else
return NRK_ERROR;
return NRK_OK;
}
static nserror mimesniff__match_unknown_riff(const uint8_t *data, size_t len,
lwc_string **effective_type)
{
#define SIG(t, s, x) { (const uint8_t *) s, SLEN(s), x, t }
static const struct map_s riff_match_types[] = {
SIG(&image_webp, "WEBPVP", true),
SIG(&audio_wave, "WAVE", true),
{ NULL, 0, false, NULL }
};
#undef SIG
const struct map_s *it;
for (it = riff_match_types; it->sig != NULL; it++) {
if (it->len + SLEN("RIFF????") <= len &&
memcmp(data, "RIFF", SLEN("RIFF")) == 0 &&
memcmp(data + SLEN("RIFF????"),
it->sig, it->len) == 0) {
*effective_type = lwc_string_ref(*it->type);
return NSERROR_OK;
}
}
return NSERROR_NOT_FOUND;
}
int main(int argc, char const *argv[], char const *envp[]) {
PRE();
DCL();
EXP();
INT();
FLP();
ARR();
STR();
MEM();
ENV(envp);
SIG();
ERR();
MSC();
POS();
return 0;
}
static nserror mimesniff__compute_image(lwc_string *official_type,
const uint8_t *data, size_t len, lwc_string **effective_type)
{
#define SIG(t, s) { (const uint8_t *) s, SLEN(s), t }
static const struct it_s {
const uint8_t *sig;
size_t len;
lwc_string **type;
} image_types[] = {
SIG(&image_gif, "GIF87a"),
SIG(&image_gif, "GIF89a"),
SIG(&image_png, "\x89PNG\r\n\x1a\n"),
SIG(&image_jpeg, "\xff\xd8\xff"),
SIG(&image_bmp, "BM"),
SIG(&image_vnd_microsoft_icon, "\x00\x00\x01\x00"),
{ NULL, 0, NULL }
};
#undef SIG
const struct it_s *it;
if (data == NULL) {
lwc_string_unref(official_type);
return NSERROR_NEED_DATA;
}
for (it = image_types; it->sig != NULL; it++) {
if (it->len <= len && memcmp(data, it->sig, it->len) == 0) {
lwc_string_unref(official_type);
*effective_type = lwc_string_ref(*it->type);
return NSERROR_OK;
}
}
/* WebP has a signature that doesn't fit into the above table */
if (SLEN("RIFF????WEBPVP") <= len &&
memcmp(data, "RIFF", SLEN("RIFF")) == 0 &&
memcmp(data + SLEN("RIFF????"),
"WEBPVP", SLEN("WEBPVP")) == 0 ) {
lwc_string_unref(official_type);
*effective_type = lwc_string_ref(image_webp);
return NSERROR_OK;
}
*effective_type = official_type;
return NSERROR_OK;
}
uint32_t nrk_event_wait(uint32_t event_mask)
{
// FIXME: Should go through list and check that all masks are registered, not just 1
if(event_mask & nrk_cur_task_TCB->registered_signal_mask)
{
nrk_cur_task_TCB->active_signal_mask=event_mask;
nrk_cur_task_TCB->event_suspend=SIG_EVENT_SUSPENDED;
}
else
{
return 0;
}
if(event_mask & SIG(nrk_wakeup_signal))
nrk_wait_until_nw();
else
nrk_wait_until_ticks(0);
//unmask the signal when its return so it has logical value like 1 to or whatever was user defined
return ( (nrk_cur_task_TCB->active_signal_mask));
}
void sig_handler(int sig)
{
char stack_text[10000];
print_backtrace(stack_text, sizeof(stack_text), 30);
char const* sig_name = 0;
switch (sig)
{
#define SIG(x) case x: sig_name = #x; break
SIG(SIGSEGV);
#ifdef SIGBUS
SIG(SIGBUS);
#endif
SIG(SIGILL);
SIG(SIGABRT);
SIG(SIGFPE);
#ifdef SIGSYS
SIG(SIGSYS);
#endif
#undef SIG
};
fprintf(stderr, "signal: %s caught:\n%s\n", sig_name, stack_text);
exit(138);
}
static void periodic_task()
{
nrk_sig_mask_t wait_mask, func_wait_mask;
nrk_time_t next_event, func_next_event;
periodic_func_t **funcp;
periodic_func_t *func;
nrk_time_t now, sleep_time;
int8_t rc;
funcp = &functions[0];
while (*funcp) {
func = *funcp;
LOG("init: "); LOGF(func->name); LOGNL();
if (func->init)
func->init();
funcp++;
}
rc = nrk_signal_register(func_signal);
if (rc == NRK_ERROR)
ABORT("reg sig: func\r\n");
while (1) {
LOG("awake\r\n");
TIME_CLEAR(next_event);
wait_mask = SIG(func_signal);
funcp = &functions[0];
while (*funcp) {
func = *funcp;
TIME_CLEAR(func_next_event);
func_wait_mask = 0;
if (func->enabled ||
func->enabled != func->last_enabled) {
LOG("proc: "); LOGF(func->name); LOGNL();
ASSERT(func->proc);
func->proc(func->enabled,
&func_next_event, &func_wait_mask);
}
func->last_enabled = func->enabled;
wait_mask |= func_wait_mask;
if (IS_VALID_TIME(func_next_event) &&
(!IS_VALID_TIME(next_event) ||
time_cmp(&func_next_event, &next_event) < 0)) {
next_event = func_next_event;
}
funcp++;
}
if (IS_VALID_TIME(next_event)) {
nrk_time_get(&now);
rc = nrk_time_sub(&sleep_time, next_event, now);
if (rc != NRK_OK) {
LOG("next event in the past\r\n");
continue;
}
LOG("sleeping for: ");
LOGP("%lu ms\r\n", TIME_TO_MS(sleep_time));
nrk_set_next_wakeup(sleep_time);
wait_mask |= SIG(nrk_wakeup_signal);
}
LOG("waiting\r\n");
nrk_event_wait( wait_mask );
}
ABORT("periodic task exited\r\n");
}
static int
parse_rock_ridge_stat_internal(iso9660_dir_t *p_iso9660_dir,
iso9660_stat_t *p_stat, int regard_xa)
{
int len;
unsigned char * chr;
int symlink_len = 0;
CONTINUE_DECLS;
if (nope == p_stat->rr.b3_rock) return 0;
SETUP_ROCK_RIDGE(p_iso9660_dir, chr, len);
if (regard_xa)
{
chr+=14;
len-=14;
if (len<0) len=0;
}
/* repeat:*/
{
int sig;
iso_extension_record_t * rr;
int rootflag;
while (len > 1){ /* There may be one byte for padding somewhere */
rr = (iso_extension_record_t *) chr;
if (rr->len == 0) goto out; /* Something got screwed up here */
sig = from_721(*chr);
chr += rr->len;
len -= rr->len;
switch(sig){
case SIG('S','P'):
CHECK_SP(goto out);
break;
case SIG('C','E'):
CHECK_CE;
break;
case SIG('E','R'):
p_stat->rr.b3_rock = yep;
cdio_debug("ISO 9660 Extensions: ");
{ int p;
for(p=0;p<rr->u.ER.len_id;p++) cdio_debug("%c",rr->u.ER.data[p]);
}
break;
case SIG('P','X'):
p_stat->rr.st_mode = from_733(rr->u.PX.st_mode);
p_stat->rr.st_nlinks = from_733(rr->u.PX.st_nlinks);
p_stat->rr.st_uid = from_733(rr->u.PX.st_uid);
p_stat->rr.st_gid = from_733(rr->u.PX.st_gid);
break;
case SIG('P','N'):
/* Device major,minor number */
{ int32_t high, low;
high = from_733(rr->u.PN.dev_high);
low = from_733(rr->u.PN.dev_low);
/*
* The Rock Ridge standard specifies that if sizeof(dev_t) <= 4,
* then the high field is unused, and the device number is completely
* stored in the low field. Some writers may ignore this subtlety,
* and as a result we test to see if the entire device number is
* stored in the low field, and use that.
*/
if((low & ~0xff) && high == 0) {
p_stat->rr.i_rdev = CDIO_MKDEV(low >> 8, low & 0xff);
} else {
p_stat->rr.i_rdev = CDIO_MKDEV(high, low);
}
}
break;
case SIG('T','F'):
/* Time stamp(s) for a file */
{
int cnt = 0;
add_time(ISO_ROCK_TF_CREATE, create);
add_time(ISO_ROCK_TF_MODIFY, modify);
add_time(ISO_ROCK_TF_ACCESS, access);
add_time(ISO_ROCK_TF_ATTRIBUTES, attributes);
add_time(ISO_ROCK_TF_BACKUP, backup);
add_time(ISO_ROCK_TF_EXPIRATION, expiration);
add_time(ISO_ROCK_TF_EFFECTIVE, effective);
p_stat->rr.b3_rock = yep;
break;
}
case SIG('S','L'):
{
/* Symbolic link */
uint8_t slen;
iso_rock_sl_part_t * p_sl;
iso_rock_sl_part_t * p_oldsl;
slen = rr->len - 5;
p_sl = &rr->u.SL.link;
p_stat->rr.i_symlink = symlink_len;
while (slen > 1){
rootflag = 0;
switch(p_sl->flags &~1){
case 0:
realloc_symlink(p_stat, p_sl->len);
memcpy(&(p_stat->rr.psz_symlink[p_stat->rr.i_symlink]),
p_sl->text, p_sl->len);
p_stat->rr.i_symlink += p_sl->len;
break;
case 4:
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[p_stat->rr.i_symlink++] = '.';
/* continue into next case. */
case 2:
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[p_stat->rr.i_symlink++] = '.';
break;
case 8:
rootflag = 1;
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[p_stat->rr.i_symlink++] = '/';
p_stat->rr.i_symlink++;
break;
default:
cdio_warn("Symlink component flag not implemented");
}
slen -= p_sl->len + 2;
p_oldsl = p_sl;
p_sl = (iso_rock_sl_part_t *) (((char *) p_sl) + p_sl->len + 2);
if (slen < 2) {
if (((rr->u.SL.flags & 1) != 0) && ((p_oldsl->flags & 1) == 0))
p_stat->rr.i_symlink += 1;
break;
}
/*
* If this component record isn't continued, then append a '/'.
*/
if (!rootflag && (p_oldsl->flags & 1) == 0) {
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[p_stat->rr.i_symlink++] = '/';
}
}
}
symlink_len = p_stat->rr.i_symlink;
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[symlink_len]='\0';
break;
case SIG('R','E'):
cdio_warn("Attempt to read p_stat for relocated directory");
goto out;
#ifdef FINISHED
case SIG('C','L'):
{
iso9660_stat_t * reloc;
ISOFS_I(p_stat)->i_first_extent = from_733(rr->u.CL.location);
reloc = isofs_iget(p_stat->rr.i_sb, p_stat->rr.i_first_extent, 0);
if (!reloc)
goto out;
p_stat->rr.st_mode = reloc->st_mode;
p_stat->rr.st_nlinks = reloc->st_nlinks;
p_stat->rr.st_uid = reloc->st_uid;
p_stat->rr.st_gid = reloc->st_gid;
p_stat->rr.i_rdev = reloc->i_rdev;
p_stat->rr.i_symlink = reloc->i_symlink;
p_stat->rr.i_blocks = reloc->i_blocks;
p_stat->rr.i_atime = reloc->i_atime;
p_stat->rr.i_ctime = reloc->i_ctime;
p_stat->rr.i_mtime = reloc->i_mtime;
iput(reloc);
}
break;
#endif
default:
break;
}
}
/*!
Get
@return length of name field; 0: not found, -1: to be ignored
*/
int
get_rock_ridge_filename(iso9660_dir_t * p_iso9660_dir,
/*out*/ char * psz_name,
/*in/out*/ iso9660_stat_t *p_stat)
{
int len;
unsigned char *chr;
int symlink_len = 0;
CONTINUE_DECLS;
int i_namelen = 0;
int truncate=0;
if (!p_stat || nope == p_stat->rr.b3_rock) return 0;
*psz_name = 0;
SETUP_ROCK_RIDGE(p_iso9660_dir, chr, len);
/*repeat:*/
{
iso_extension_record_t * rr;
int sig;
int rootflag;
while (len > 1){ /* There may be one byte for padding somewhere */
rr = (iso_extension_record_t *) chr;
if (rr->len == 0) goto out; /* Something got screwed up here */
sig = *chr+(*(chr+1) << 8);
chr += rr->len;
len -= rr->len;
switch(sig){
case SIG('S','P'):
CHECK_SP(goto out);
break;
case SIG('C','E'):
{
iso711_t i_fname = from_711(p_iso9660_dir->filename.len);
if ('\0' == p_iso9660_dir->filename.str[1] && 1 == i_fname)
break;
if ('\1' == p_iso9660_dir->filename.str[1] && 1 == i_fname)
break;
}
CHECK_CE;
break;
case SIG('E','R'):
p_stat->rr.b3_rock = yep;
cdio_debug("ISO 9660 Extensions: ");
{
int p;
for(p=0;p<rr->u.ER.len_id;p++) cdio_debug("%c",rr->u.ER.data[p]);
}
break;
case SIG('N','M'):
/* Alternate name */
p_stat->rr.b3_rock = yep;
if (truncate) break;
if (rr->u.NM.flags & ISO_ROCK_NM_PARENT) {
i_namelen = sizeof("..");
strncat(psz_name, "..", i_namelen);
} else if (rr->u.NM.flags & ISO_ROCK_NM_CURRENT) {
i_namelen = sizeof(".");
strncat(psz_name, ".", i_namelen);
break;
}
if (rr->u.NM.flags & ~1) {
cdio_info("Unsupported NM flag settings (%d)",rr->u.NM.flags);
break;
}
if((strlen(psz_name) + rr->len - 5) >= 254) {
truncate = 1;
break;
}
strncat(psz_name, rr->u.NM.name, rr->len - 5);
i_namelen += rr->len - 5;
break;
case SIG('P','X'):
/* POSIX file attributes */
p_stat->rr.st_mode = from_733(rr->u.PX.st_mode);
p_stat->rr.st_nlinks = from_733(rr->u.PX.st_nlinks);
p_stat->rr.st_uid = from_733(rr->u.PX.st_uid);
p_stat->rr.st_gid = from_733(rr->u.PX.st_gid);
p_stat->rr.b3_rock = yep;
break;
case SIG('S','L'):
{
/* Symbolic link */
uint8_t slen;
iso_rock_sl_part_t * p_sl;
iso_rock_sl_part_t * p_oldsl;
slen = rr->len - 5;
p_sl = &rr->u.SL.link;
p_stat->rr.i_symlink = symlink_len;
while (slen > 1){
rootflag = 0;
switch(p_sl->flags &~1){
case 0:
realloc_symlink(p_stat, p_sl->len);
memcpy(&(p_stat->rr.psz_symlink[p_stat->rr.i_symlink]),
p_sl->text, p_sl->len);
p_stat->rr.i_symlink += p_sl->len;
break;
case 4:
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[p_stat->rr.i_symlink++] = '.';
/* continue into next case. */
case 2:
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[p_stat->rr.i_symlink++] = '.';
break;
case 8:
rootflag = 1;
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[p_stat->rr.i_symlink++] = '/';
break;
default:
cdio_warn("Symlink component flag not implemented");
}
slen -= p_sl->len + 2;
p_oldsl = p_sl;
p_sl = (iso_rock_sl_part_t *) (((char *) p_sl) + p_sl->len + 2);
if (slen < 2) {
if (((rr->u.SL.flags & 1) != 0) && ((p_oldsl->flags & 1) == 0))
p_stat->rr.i_symlink += 1;
break;
}
/*
* If this component record isn't continued, then append a '/'.
*/
if (!rootflag && (p_oldsl->flags & 1) == 0) {
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[p_stat->rr.i_symlink++] = '/';
}
}
}
symlink_len = p_stat->rr.i_symlink;
realloc_symlink(p_stat, 1);
p_stat->rr.psz_symlink[symlink_len]='\0';
break;
case SIG('R','E'):
free(buffer);
return -1;
case SIG('T','F'):
/* Time stamp(s) for a file */
{
int cnt = 0;
add_time(ISO_ROCK_TF_CREATE, create);
add_time(ISO_ROCK_TF_MODIFY, modify);
add_time(ISO_ROCK_TF_ACCESS, access);
add_time(ISO_ROCK_TF_ATTRIBUTES, attributes);
add_time(ISO_ROCK_TF_BACKUP, backup);
add_time(ISO_ROCK_TF_EXPIRATION, expiration);
add_time(ISO_ROCK_TF_EFFECTIVE, effective);
p_stat->rr.b3_rock = yep;
break;
}
default:
break;
}
}
}
free(buffer);
return i_namelen; /* If 0, this file did not have a NM field */
out:
free(buffer);
return 0;
}
static int
parse_rock_ridge_inode_internal(struct iso_directory_record *de,
struct inode *inode, int regard_xa)
{
int symlink_len = 0;
int cnt, sig;
struct inode *reloc;
struct rock_ridge *rr;
int rootflag;
struct rock_state rs;
int ret = 0;
if (!ISOFS_SB(inode->i_sb)->s_rock)
return 0;
init_rock_state(&rs, inode);
setup_rock_ridge(de, inode, &rs);
if (regard_xa) {
rs.chr += 14;
rs.len -= 14;
if (rs.len < 0)
rs.len = 0;
}
repeat:
while (rs.len > 2) { /* There may be one byte for padding somewhere */
rr = (struct rock_ridge *)rs.chr;
/*
* Ignore rock ridge info if rr->len is out of range, but
* don't return -EIO because that would make the file
* invisible.
*/
if (rr->len < 3)
goto out; /* Something got screwed up here */
sig = isonum_721(rs.chr);
if (rock_check_overflow(&rs, sig))
goto eio;
rs.chr += rr->len;
rs.len -= rr->len;
/*
* As above, just ignore the rock ridge info if rr->len
* is bogus.
*/
if (rs.len < 0)
goto out; /* Something got screwed up here */
switch (sig) {
#ifndef CONFIG_ZISOFS /* No flag for SF or ZF */
case SIG('R', 'R'):
if ((rr->u.RR.flags[0] &
(RR_PX | RR_TF | RR_SL | RR_CL)) == 0)
goto out;
break;
#endif
case SIG('S', 'P'):
if (check_sp(rr, inode))
goto out;
break;
case SIG('C', 'E'):
rs.cont_extent = isonum_733(rr->u.CE.extent);
rs.cont_offset = isonum_733(rr->u.CE.offset);
rs.cont_size = isonum_733(rr->u.CE.size);
break;
case SIG('E', 'R'):
ISOFS_SB(inode->i_sb)->s_rock = 1;
printk(KERN_DEBUG "ISO 9660 Extensions: ");
{
int p;
for (p = 0; p < rr->u.ER.len_id; p++)
printk("%c", rr->u.ER.data[p]);
}
printk("\n");
break;
case SIG('P', 'X'):
inode->i_mode = isonum_733(rr->u.PX.mode);
set_nlink(inode, isonum_733(rr->u.PX.n_links));
inode->i_uid = isonum_733(rr->u.PX.uid);
inode->i_gid = isonum_733(rr->u.PX.gid);
break;
case SIG('P', 'N'):
{
int high, low;
high = isonum_733(rr->u.PN.dev_high);
low = isonum_733(rr->u.PN.dev_low);
/*
* The Rock Ridge standard specifies that if
* sizeof(dev_t) <= 4, then the high field is
* unused, and the device number is completely
* stored in the low field. Some writers may
* ignore this subtlety,
* and as a result we test to see if the entire
* device number is
* stored in the low field, and use that.
*/
if ((low & ~0xff) && high == 0) {
inode->i_rdev =
MKDEV(low >> 8, low & 0xff);
} else {
inode->i_rdev =
MKDEV(high, low);
}
}
break;
case SIG('T', 'F'):
/*
* Some RRIP writers incorrectly place ctime in the
* TF_CREATE field. Try to handle this correctly for
* either case.
*/
/* Rock ridge never appears on a High Sierra disk */
cnt = 0;
if (rr->u.TF.flags & TF_CREATE) {
inode->i_ctime.tv_sec =
iso_date(rr->u.TF.times[cnt++].time,
0);
inode->i_ctime.tv_nsec = 0;
}
if (rr->u.TF.flags & TF_MODIFY) {
inode->i_mtime.tv_sec =
iso_date(rr->u.TF.times[cnt++].time,
0);
inode->i_mtime.tv_nsec = 0;
}
if (rr->u.TF.flags & TF_ACCESS) {
inode->i_atime.tv_sec =
iso_date(rr->u.TF.times[cnt++].time,
0);
inode->i_atime.tv_nsec = 0;
}
if (rr->u.TF.flags & TF_ATTRIBUTES) {
inode->i_ctime.tv_sec =
iso_date(rr->u.TF.times[cnt++].time,
0);
inode->i_ctime.tv_nsec = 0;
}
break;
case SIG('S', 'L'):
{
int slen;
struct SL_component *slp;
struct SL_component *oldslp;
slen = rr->len - 5;
slp = &rr->u.SL.link;
inode->i_size = symlink_len;
while (slen > 1) {
rootflag = 0;
switch (slp->flags & ~1) {
case 0:
inode->i_size +=
slp->len;
break;
case 2:
inode->i_size += 1;
break;
case 4:
inode->i_size += 2;
break;
case 8:
rootflag = 1;
inode->i_size += 1;
break;
default:
printk("Symlink component flag "
"not implemented\n");
}
slen -= slp->len + 2;
oldslp = slp;
slp = (struct SL_component *)
(((char *)slp) + slp->len + 2);
if (slen < 2) {
if (((rr->u.SL.
flags & 1) != 0)
&&
((oldslp->
flags & 1) == 0))
inode->i_size +=
1;
break;
}
/*
* If this component record isn't
* continued, then append a '/'.
*/
if (!rootflag
&& (oldslp->flags & 1) == 0)
inode->i_size += 1;
}
}
symlink_len = inode->i_size;
break;
case SIG('R', 'E'):
printk(KERN_WARNING "Attempt to read inode for "
"relocated directory\n");
goto out;
case SIG('C', 'L'):
ISOFS_I(inode)->i_first_extent =
isonum_733(rr->u.CL.location);
reloc =
isofs_iget(inode->i_sb,
ISOFS_I(inode)->i_first_extent,
0);
if (IS_ERR(reloc)) {
ret = PTR_ERR(reloc);
goto out;
}
inode->i_mode = reloc->i_mode;
set_nlink(inode, reloc->i_nlink);
inode->i_uid = reloc->i_uid;
inode->i_gid = reloc->i_gid;
inode->i_rdev = reloc->i_rdev;
inode->i_size = reloc->i_size;
inode->i_blocks = reloc->i_blocks;
inode->i_atime = reloc->i_atime;
inode->i_ctime = reloc->i_ctime;
inode->i_mtime = reloc->i_mtime;
iput(reloc);
break;
#ifdef CONFIG_ZISOFS
case SIG('Z', 'F'): {
int algo;
if (ISOFS_SB(inode->i_sb)->s_nocompress)
break;
algo = isonum_721(rr->u.ZF.algorithm);
if (algo == SIG('p', 'z')) {
int block_shift =
isonum_711(&rr->u.ZF.parms[1]);
if (block_shift > 17) {
printk(KERN_WARNING "isofs: "
"Can't handle ZF block "
"size of 2^%d\n",
block_shift);
} else {
/*
* Note: we don't change
* i_blocks here
*/
ISOFS_I(inode)->i_file_format =
isofs_file_compressed;
/*
* Parameters to compression
* algorithm (header size,
* block size)
*/
ISOFS_I(inode)->i_format_parm[0] =
isonum_711(&rr->u.ZF.parms[0]);
ISOFS_I(inode)->i_format_parm[1] =
isonum_711(&rr->u.ZF.parms[1]);
inode->i_size =
isonum_733(rr->u.ZF.
real_size);
}
} else {
printk(KERN_WARNING
"isofs: Unknown ZF compression "
"algorithm: %c%c\n",
rr->u.ZF.algorithm[0],
rr->u.ZF.algorithm[1]);
}
break;
}
#endif
default:
break;
}
/*
* return length of name field; 0: not found, -1: to be ignored
*/
int get_rock_ridge_filename(struct iso_directory_record *de,
char *retname, struct inode *inode)
{
struct rock_state rs;
struct rock_ridge *rr;
int sig;
int retnamlen = 0;
int truncate = 0;
int ret = 0;
if (!ISOFS_SB(inode->i_sb)->s_rock)
return 0;
*retname = 0;
init_rock_state(&rs, inode);
setup_rock_ridge(de, inode, &rs);
repeat:
while (rs.len > 2) { /* There may be one byte for padding somewhere */
rr = (struct rock_ridge *)rs.chr;
/*
* Ignore rock ridge info if rr->len is out of range, but
* don't return -EIO because that would make the file
* invisible.
*/
if (rr->len < 3)
goto out; /* Something got screwed up here */
sig = isonum_721(rs.chr);
if (rock_check_overflow(&rs, sig))
goto eio;
rs.chr += rr->len;
rs.len -= rr->len;
/*
* As above, just ignore the rock ridge info if rr->len
* is bogus.
*/
if (rs.len < 0)
goto out; /* Something got screwed up here */
switch (sig) {
case SIG('R', 'R'):
if ((rr->u.RR.flags[0] & RR_NM) == 0)
goto out;
break;
case SIG('S', 'P'):
if (check_sp(rr, inode))
goto out;
break;
case SIG('C', 'E'):
rs.cont_extent = isonum_733(rr->u.CE.extent);
rs.cont_offset = isonum_733(rr->u.CE.offset);
rs.cont_size = isonum_733(rr->u.CE.size);
break;
case SIG('N', 'M'):
if (truncate)
break;
if (rr->len < 5)
break;
/*
* If the flags are 2 or 4, this indicates '.' or '..'.
* We don't want to do anything with this, because it
* screws up the code that calls us. We don't really
* care anyways, since we can just use the non-RR
* name.
*/
if (rr->u.NM.flags & 6)
break;
if (rr->u.NM.flags & ~1) {
printk("Unsupported NM flag settings (%d)\n",
rr->u.NM.flags);
break;
}
if ((strlen(retname) + rr->len - 5) >= 254) {
truncate = 1;
break;
}
strncat(retname, rr->u.NM.name, rr->len - 5);
retnamlen += rr->len - 5;
break;
case SIG('R', 'E'):
kfree(rs.buffer);
return -1;
default:
break;
}
}
ret = rock_continue(&rs);
if (ret == 0)
goto repeat;
if (ret == 1)
return retnamlen; /* If 0, this file did not have a NM field */
out:
kfree(rs.buffer);
return ret;
eio:
ret = -EIO;
goto out;
}
/*
* We think there's a record of type `sig' at rs->chr. Parse the signature
* and make sure that there's really room for a record of that type.
*/
static int rock_check_overflow(struct rock_state *rs, int sig)
{
int len;
switch (sig) {
case SIG('S', 'P'):
len = sizeof(struct SU_SP_s);
break;
case SIG('C', 'E'):
len = sizeof(struct SU_CE_s);
break;
case SIG('E', 'R'):
len = sizeof(struct SU_ER_s);
break;
case SIG('R', 'R'):
len = sizeof(struct RR_RR_s);
break;
case SIG('P', 'X'):
len = sizeof(struct RR_PX_s);
break;
case SIG('P', 'N'):
len = sizeof(struct RR_PN_s);
break;
case SIG('S', 'L'):
len = sizeof(struct RR_SL_s);
break;
case SIG('N', 'M'):
len = sizeof(struct RR_NM_s);
break;
case SIG('C', 'L'):
len = sizeof(struct RR_CL_s);
break;
case SIG('P', 'L'):
len = sizeof(struct RR_PL_s);
break;
case SIG('T', 'F'):
len = sizeof(struct RR_TF_s);
break;
case SIG('Z', 'F'):
len = sizeof(struct RR_ZF_s);
break;
default:
len = 0;
break;
}
len += offsetof(struct rock_ridge, u);
if (len > rs->len) {
printk(KERN_NOTICE "rock: directory entry would overflow "
"storage\n");
printk(KERN_NOTICE "rock: sig=0x%02x, size=%d, remaining=%d\n",
sig, len, rs->len);
return -EIO;
}
return 0;
}