int getlnmaxsep (buffer_ref b, char *d, unsigned int max, unsigned int *w, char const *sep, unsigned int seplen)
{
register int ok = 1 ;
if (max < *w) return (errno = EINVAL, -1) ;
for (;;)
{
unsigned int len = (*w + buffer_len(b) > max) ? max - *w : buffer_len(b) ;
unsigned int pos = byte_in(buffer_PEEK(b), len, sep, seplen) ;
byte_copy(d + *w, pos, buffer_PEEK(b)) ;
*w += pos ;
buffer_SEEK(b, pos) ;
if (*w >= max) return (errno = ERANGE, -1) ;
if (pos < len)
{
d[(*w)++] = *buffer_PEEK(b) ;
buffer_SEEK(b, 1) ;
return ok ;
}
{
register int r = buffer_fill(b) ;
if (r <= 0) return r ;
}
ok = 2 ;
}
}
static inline int ftrigio_read (ftrigio_t *p)
{
unsigned int i = FTRIGRD_MAXREADS ;
while (i--)
{
regmatch_t pmatch ;
unsigned int blen ;
register int r = sanitize_read(buffer_fill(&p->b)) ;
if (!r) break ;
if (r < 0) return (trig(p->id, 'd', errno), 0) ;
blen = buffer_len(&p->b) ;
if (!stralloc_readyplus(&p->sa, blen+1)) dienomem() ;
buffer_getnofill(&p->b, p->sa.s + p->sa.len, blen) ;
p->sa.len += blen ;
p->sa.s[p->sa.len] = 0 ;
while (!regexec(&p->re, p->sa.s, 1, &pmatch, REG_NOTBOL | REG_NOTEOL))
{
trig(p->id, '!', p->sa.s[pmatch.rm_eo - 1]) ;
if (!(p->options & FTRIGR_REPEAT)) return 0 ;
byte_copy(p->sa.s, p->sa.len + 1 - pmatch.rm_eo, p->sa.s + pmatch.rm_eo) ;
p->sa.len -= pmatch.rm_eo ;
}
}
return 1 ;
}
static void __prebuffer(void)
{
int limit_chunks;
BUG_ON(producer_status != PS_PLAYING);
if (ip_is_remote(ip)) {
limit_chunks = buffer_nr_chunks;
} else {
int limit_ms, limit_size;
limit_ms = 250;
limit_size = limit_ms * buffer_second_size() / 1000;
limit_chunks = limit_size / CHUNK_SIZE;
if (limit_chunks < 1)
limit_chunks = 1;
}
while (1) {
int nr_read, size, filled;
char *wpos;
filled = buffer_get_filled_chunks();
/* d_print("PREBUF: %2d / %2d\n", filled, limit_chunks); */
/* not fatal */
//BUG_ON(filled > limit_chunks);
if (filled >= limit_chunks)
break;
size = buffer_get_wpos(&wpos);
nr_read = ip_read(ip, wpos, size);
if (nr_read < 0) {
if (nr_read == -1 && errno == EAGAIN)
continue;
player_ip_error(nr_read, "reading file %s", ip_get_filename(ip));
/* ip_read sets eof */
nr_read = 0;
}
if (ip_metadata_changed(ip))
metadata_changed();
/* buffer_fill with 0 count marks current chunk filled */
buffer_fill(nr_read);
__producer_buffer_fill_update();
if (nr_read == 0) {
/* EOF */
break;
}
}
}
static int buffer_fill_min (struct aac_data *data, int len)
{
int rc;
assert (len < BUFFER_SIZE);
while (buffer_length(data) < len) {
rc = buffer_fill (data);
if (rc <= 0)
return rc;
}
return 1;
}
int skagetlnsep (buffer *b, stralloc *sa, char const *sep, unsigned int seplen)
{
unsigned int start = sa->len ;
for (;;)
{
siovec_t v[2] ;
unsigned int pos ;
int r ;
buffer_rpeek(b, v) ;
pos = siovec_bytein(v, 2, sep, seplen) ;
r = pos < buffer_len(b) ;
pos += r ;
if (!stralloc_readyplus(sa, pos)) return -1 ;
buffer_getnofill(b, sa->s + sa->len, pos) ;
sa->len += pos ;
if (r) return 1 ;
r = buffer_fill(b) ;
if (r < 0) return r ;
if (!r) return (sa->s && (sa->len > start)) ? (errno = EPIPE, -1) : 0 ;
}
}
int netstring_get (buffer_ref b, stralloc *sa, unsigned int *unread)
{
unsigned int written ;
int ok = 1 ;
int r ;
if (!sa->s || (!sa->len && !*unread))
{
char *x ;
unsigned int n ;
unsigned int len ;
for (;;)
{
x = buffer_PEEK(b) ;
n = byte_chr(x, buffer_len(b), ':') ; /* XXX: accepts :, as a valid netstring */
if (n >= ULONG_FMT) return (errno = EINVAL, -1) ; /* XXX: breaks on too many leading '0's */
if (n < buffer_len(b)) break ;
r = buffer_fill(b) ;
if (r == -1) return -1 ;
if (!r) return (buffer_isempty(b) ? 0 : (errno = EPIPE, -1)) ;
ok = 2 ;
}
if (n != uint_scan(x, &len)) return (errno = EINVAL, -1) ;
if (!stralloc_readyplus(sa, len+1)) return -1 ;
buffer_SEEK(b, n+1) ;
*unread = len + 1 ;
}
written = sa->len ;
r = buffer_getall(b, sa->s + sa->len, sa->len + *unread, &written) ;
if (r <= 0)
{
*unread -= written - sa->len ;
sa->len = written ;
return r ? r : (errno = EINVAL, -1) ;
}
if (r == 2) ok = 2 ;
sa->len += *unread ;
*unread = 0 ;
return (sa->s[--sa->len] == ',') ? ok : (errno = EINVAL, -1) ;
}
int getlnmaxsep (buffer *b, char *d, unsigned int max, unsigned int *w, char const *sep, unsigned int seplen)
{
if (max < *w) return (errno = EINVAL, -1) ;
for (;;)
{
siovec_t v[2] ;
unsigned int len = buffer_len(b) ;
unsigned int pos ;
int r ;
buffer_rpeek(b, v) ;
if (len > max - *w) len = max - *w ;
pos = siovec_bytein(v, 2, sep, seplen) ;
if (pos > len) pos = len ;
r = pos < len ;
buffer_getnofill(b, d + *w, pos + r) ;
*w += pos ;
if (*w >= max) return (errno = ERANGE, -1) ;
if (r) return 1 ;
r = buffer_fill(b) ;
if (r <= 0) return r ;
}
}
int skagetln (buffer_ref b, stralloc *sa, int sep)
{
unsigned int start = sa->len ;
int ok = 1 ;
for (;;)
{
char *s = buffer_PEEK(b) ;
unsigned int pos = byte_chr(s, buffer_len(b), sep) ;
int r = (pos < buffer_len(b)) ;
if (!stralloc_catb(sa, s, pos)) return -1 ;
buffer_SEEK(b, pos) ;
if (r)
{
if (!stralloc_catb(sa, buffer_PEEK(b), 1)) return -1 ;
buffer_SEEK(b, 1) ;
return ok ;
}
r = buffer_fill(b) ;
if (r == -1) return -1 ;
if (!r) return (sa->s && (sa->len > start)) ? (errno = EPIPE, -1) : 0 ;
ok = 2 ;
}
}
static void *producer_loop(void *arg)
{
while (1) {
/* number of chunks to fill
* too big => seeking is slow
* too small => underruns?
*/
const int chunks = 1;
int size, nr_read, i;
char *wpos;
producer_lock();
if (!producer_running)
break;
if (producer_status == PS_UNLOADED ||
producer_status == PS_PAUSED ||
producer_status == PS_STOPPED || ip_eof(ip)) {
pthread_cond_wait(&producer_playing, &producer_mutex);
producer_unlock();
continue;
}
for (i = 0; ; i++) {
size = buffer_get_wpos(&wpos);
if (size == 0) {
/* buffer is full */
producer_unlock();
ms_sleep(50);
break;
}
nr_read = ip_read(ip, wpos, size);
if (nr_read < 0) {
if (nr_read != -1 || errno != EAGAIN) {
player_ip_error(nr_read, "reading file %s",
ip_get_filename(ip));
/* ip_read sets eof */
nr_read = 0;
} else {
producer_unlock();
ms_sleep(50);
break;
}
}
if (ip_metadata_changed(ip))
metadata_changed();
/* buffer_fill with 0 count marks current chunk filled */
buffer_fill(nr_read);
if (nr_read == 0) {
/* consumer handles EOF */
producer_unlock();
ms_sleep(50);
break;
}
if (i == chunks) {
producer_unlock();
/* don't sleep! */
break;
}
}
__producer_buffer_fill_update();
}
__producer_unload();
producer_unlock();
return NULL;
}
void
buffer_clear(buffer_t *self) {
buffer_fill(self, 0);
}
int main(int argc, char *argv[], char *envp[]) {
struct ecc_state_s ecc;
uint8_t buffer[0x1000], ecc_payload[0x40], regs[3], *jffs;
int ret, len, eccbyte, count, partition;
/* Check if we're called by "raw2flash.spitz" or similar */
len = strlen(argv[0]);
if (!strcasecmp(argv[0] + len - 5, "akita"))
ecc.style = &akita;
else if (!strcasecmp(argv[0] + len - 6, "borzoi"))
ecc.style = &borzoi;
else if (!strcasecmp(argv[0] + len - 7, "terrier"))
ecc.style = &terrier;
else
ecc.style = &spitz;
# ifdef VERBOSE
fprintf(stderr, "[");
# endif
/* Skip first 10 bytes */
TFR(read(0, buffer, 0x10));
len = 0;
jffs = (uint8_t *) malloc(PARTITION_START);
while (len < PARTITION_START) {
ret = TFR(read(0, jffs + len, PARTITION_START - len));
if (ret <= 0)
break;
len += ret;
}
/* Convert data from stdin */
partition = len = eccbyte = count = 0;
memset(ecc_payload, 0xff, ecc.style->oob_size);
jffs2_format(&ecc, ecc_payload);
while (count < ecc.style->romsize) {
buffer_fill(&ecc, buffer, &len, &partition, count, jffs);
buffer_digest(&ecc, buffer, regs);
ecc_payload[ecc.style->eccpos[eccbyte ++]] = regs[0];
ecc_payload[ecc.style->eccpos[eccbyte ++]] = regs[1];
ecc_payload[ecc.style->eccpos[eccbyte ++]] = regs[2];
TFR(write(1, buffer, ecc.style->eccbytes));
count += ecc.style->eccbytes;
len -= ecc.style->eccbytes;
memmove(buffer, buffer + ecc.style->eccbytes, len);
if (eccbyte >= ecc.style->eccsize) {
TFR(write(1, ecc_payload, ecc.style->oob_size));
eccbyte = 0;
memset(ecc_payload, 0xff, ecc.style->oob_size);
if (partition < 2)
jffs2_format(&ecc, ecc_payload);
}
# ifdef VERBOSE
if (count * PBAR_LEN / ecc.style->romsize >
(count - ecc.style->eccbytes) *
PBAR_LEN / ecc.style->romsize)
fprintf(stderr, "#");
# endif
}
# ifdef VERBOSE
fprintf(stderr, "]\n");
# endif
free(jffs);
return 0;
}
int buffer_feed (register buffer_ref b)
{
return (b->n > b->p) ? ((int)b->n - (int)b->p) : buffer_fill(b) ;
}