void InteractiveScanner::ErrorMessage(const char* msg, fint l, fint c) {
if (suppress)
return;
for (fint i = 1; i < c; i ++) putchar(' ');
lprintf("^\n");
error3("%s on line %ld, character %ld", msg, l, c);
}
int cmd_exec(struct command_t* command){
if(error1(command))
return -1;
if(error2(command))
return -2;
if(error3(command))
return -3;
if(error4(command))
return -4;
if(error5(command))
return -5;
if(isNum(command->token[0])){
command->arg1 = atoi(command->token[0]);
strcpy(command->operation, command->token[1]);
command->arg2 = atoi(command->token[2]);
}
else{
strcpy(command->operation, command->token[0]);
command->arg1 = atoi(command->token[1]);
}
DoOperation(command);
return 0;
}
int open_archive(char *name, int mode)
{
unsigned short magic = 0;
int fd;
if (mode == CREATE) {
if ((fd = creat(name, 0666)) < 0)
error2(TRUE, "cannot creat %s\n", name);
magic = MAGIC_NUMBER;
wr_int2(fd, magic);
return fd;
}
if ((fd = open(name, mode)) < 0) {
if (mode == APPEND) {
close(open_archive(name, CREATE));
if (!nocr_fl) error3(FALSE, "%s: creating %s\n", progname, name);
return open_archive(name, APPEND);
}
error2(TRUE, "cannot open %s\n", name);
}
lseek(fd, 0L, 0);
magic = rd_unsigned2(fd);
if (magic != AALMAG && magic != ARMAG)
error2(TRUE, "%s is not in ar format\n", name);
return fd;
}
/*
* m4open
*
* Continue processing files when unable to open the given file argument.
*/
FILE *
m4open(char ***argvec, char *mode, int *argcnt)
{
FILE *fp;
char *arg;
while (*argcnt > 0) {
arg = (*argvec)[0]; /* point arg to current file name */
if (arg[0] == '-' && arg[1] == EOS)
return (stdin);
else {
if ((fp = fopen(arg, mode)) == NULL) {
(void) fprintf(stderr, gettext(
"m4: cannot open %s: "), arg);
perror("");
if (*argcnt == 1) {
/* last arg therefore exit */
error3();
} else {
exitstat = 1;
(*argvec)++; /* try next arg */
(*argcnt)--;
}
} else
break;
}
}
return (fp);
}
/* Routine was patched by Hiroaki Morimoto, revised 2003/08/15.
Rewritten by DPL 2004/05/16 to be more understandable.
octaveCode returns octave adjustments in the order
[absolute or =],[relative] */
void checkOctave(voice_index voice, Char *note)
{
Char code;
code = octaveCode(note);
if (code == '=') {
setOctave(voice);
removeOctaveCode(code, note);
}
if (octave(voice) == blank)
return;
code = octaveCode(note);
if (isdigit(code)) {
resetOctave(voice);
return;
}
while (code == '+' || code == '-') {
newOctave(voice, code);
removeOctaveCode(code, note);
code = octaveCode(note);
}
if (code != ' ')
error3(voice, "You may have only one absolute octave assignment");
insertOctaveCode(octave(voice), note);
checkRange(voice, note);
resetOctave(voice);
}
void
error(char *str)
{
(void) fprintf(stderr, "\n%s:", procnam);
fpath(stderr);
(void) fprintf(stderr, ":%d %s\n", fline[ifx], str);
error3();
}
Local void adjustUptext(struct LOC_addUptext *LINK)
{
Char letter;
boolean force = false;
uptext_info *WITH1;
delete1(LINK->w, 1);
while (*LINK->w != '\0') {
/* p2c: uptext.pas: Note: Eliminated unused assignment statement [338] */
letter = LINK->w[0];
delete1(LINK->w, 1);
WITH1 = &U[LINK->voice-1];
switch (letter) {
case '<':
if (WITH1->uptext_lcz > 1)
WITH1->uptext_lcz--;
break;
case '>':
if (WITH1->uptext_lcz < 3)
WITH1->uptext_lcz++;
break;
case '^':
WITH1->uptext_adjust = 0;
break;
case 'v':
WITH1->uptext_adjust = under;
break;
case '=':
force = true;
break;
case '+':
case '-':
if (*LINK->w != '\0')
getNum(LINK->w, &LINK->adj);
else
LINK->adj = 0;
if (letter == '-')
LINK->adj = -LINK->adj;
if (force)
WITH1->uptext_adjust = LINK->adj;
else
WITH1->uptext_adjust += LINK->adj;
*LINK->w = '\0';
break;
default:
error3(LINK->voice, "Unknown uptext adjustment");
break;
}
}
strcpy(LINK->w, "!");
}
static int cli_option_parse_long_eq(cli_option* o, const char* arg)
{
if(o->type == CLI_FLAG || o->type == CLI_COUNTER) {
error3("Option --", o->name, " does not take a value.");
return -1;
}
else
return cli_option_set(o, arg) - 1;
}
static int cli_option_parse_long_noeq(cli_option* o, const char* arg)
{
if(o->type == CLI_FLAG || o->type == CLI_COUNTER)
return cli_option_set(o, 0);
else if(arg)
return cli_option_set(o, arg);
else {
error3("Option --", o->name, " requires a value.");
return -1;
}
}
void usage()
{
error3(TRUE, "usage: %s %s archive [file] ...\n",
progname,
#ifdef AAL
"[acdrtxvlu]"
#else
"[acdprtxvlu]"
#endif
);
}
Sound Sound_extractChannel (Sound me, long ichan) {
Sound thee = NULL;
//start:
if (ichan <= 0 || ichan > my ny) error3 (L"Cannot extract channel ", Melder_integer (ichan), L".");
thee = Sound_create (1, my xmin, my xmax, my nx, my dx, my x1); cherror
for (long isamp = 1; isamp <= my nx; isamp ++) {
thy z [1] [isamp] = my z [ichan] [isamp];
}
end:
iferror forget (thee);
return thee;
}
bool NCodeBase::verify2(const char* name) {
bool r = true;
if ((int32)this & (oopSize - 1)) {
error2("alignment error in %s at %#lx", name, this);
r = false;
}
if (instsLen() > 256 * K) {
error3("instr length of %s at %#lx seems too big (%ld)", name, this, instsLen());
r = false;
}
return r;
}
inline void subMonomial::length(int newlength) {
#ifdef CAREFUL
if(newlength<0) {
error3(newlength);
} else if (_start+newlength-1 > _mono.numberOfFactors()) {
error4(newlength);
} else
#endif
{
_length = newlength;
}
};
Local void examineMacro(struct LOC_scanMusic *LINK)
{
if (!countMacro())
return;
if (debugMode())
printf("%s: ", LINK->note);
if (strlen(LINK->note) == 1) {
LINK->mlen = LINK->bar_length - LINK->old_length;
if (LINK->macroID < 1 || LINK->macroID > 20)
error3(LINK->voice, "Invalid macro ID");
macro_length[LINK->macroID-1] = LINK->mlen;
if (debugMode())
printf("Ending macro %d of type %c, length=%d\n",
LINK->macroID, LINK->macro_type, LINK->mlen);
if (LINK->macro_type == 'S')
LINK->bar_length = LINK->old_length;
LINK->store_macro = false;
return;
}
LINK->playID = identifyMacro(LINK->note, LINK);
if (LINK->playID < 1 || LINK->playID > 20)
error3(LINK->voice, "Invalid macro ID");
if (LINK->note[1] == 'P') {
if (debugMode())
printf("Playing macro %d of length %d\n",
LINK->playID, macro_length[LINK->playID-1]);
LINK->bar_length += macro_length[LINK->playID-1];
return;
}
if (pos1(LINK->note[1], "SR") <= 0)
return;
LINK->old_length = LINK->bar_length;
LINK->macro_type = LINK->note[1];
LINK->macroID = LINK->playID;
LINK->store_macro = true;
if (debugMode())
printf("Defining macro %d of type %c\n", LINK->macroID, LINK->note[1]);
}
static int win32_net_open_connection(mpg123_string *host, mpg123_string *port)
{
struct addrinfo hints;
struct addrinfo *addr, *addrlist;
SOCKET addrcount;
ws.local_socket = SOCKET_ERROR;
if(param.verbose>1) fprintf(stderr, "Note: Attempting new-style connection to %s\n", host->p);
memset(&hints, 0, sizeof(struct addrinfo));
hints.ai_family = AF_UNSPEC; /* We accept both IPv4 and IPv6 ... and perhaps IPv8;-) */
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
debug2("Atempt resolve/connect to %s:%s", host->p, port->p);
msgme(addrcount = getaddrinfo(host->p, port->p, &hints, &addrlist));
if(addrcount == INVALID_SOCKET)
{
error3("Resolving %s:%s: %s", host->p, port->p, gai_strerror(addrcount));
return -1;
}
addr = addrlist;
while(addr != NULL)
{
ws.local_socket = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
if (ws.local_socket == INVALID_SOCKET)
{
msgme1;
}
else
{
if(win32_net_timeout_connect(ws.local_socket, addr->ai_addr, addr->ai_addrlen) == 0)
break;
debug("win32_net_timeout_connect error, closing socket");
win32_net_close(ws.local_socket);
ws.local_socket=SOCKET_ERROR;
}
addr=addr->ai_next;
}
if(ws.local_socket == SOCKET_ERROR) {error2("Cannot resolve/connect to %s:%s!", host->p, port->p);}
else
{
ws.inited = 2;
}
freeaddrinfo(addrlist);
return 1;
}
void
module_leave()
{
int i;
static char nm[] = "module_leave";
for (i = 0; i < module_count; i++) {
struct digest_module *mp = modules[i];
if (mp->shutdown) {
if ((*mp->shutdown)())
error3(nm, mp->name, "callback failed");
} else
warn3(nm, mp->name, "no shutdown() callback");
}
}
Static void getMeterChange(voice_index voice, Char *new_meter)
{
short pn1, pn2;
Char w[256], new_command[256];
if (nextNote(voice) != mword)
return;
getMusicWord(w, voice);
getMeter(w, &meternum, &meterdenom, &pn1, &pn2);
full_bar = meternum * (64 / meterdenom);
/* CMO: process denominator value with function PMXmeterdenom */
meterWord(new_command, meternum, PMXmeterdenom(meterdenom), pn1, pn2);
if (*new_meter != '\0' && strcmp(new_meter, new_command))
error3(voice, "The same meter change must appear in all voices");
strcpy(new_meter, new_command);
}
Ltas Spectrum_to_Ltas (Spectrum me, double bandWidth) {
Ltas thee = NULL;
long numberOfBands = ceil ((my xmax - my xmin) / bandWidth), iband;
if (bandWidth <= my dx) error3 (L"Bandwidth must be greater than ", Melder_double (my dx), L".")
thee = Thing_new (Ltas); cherror
Matrix_init (thee, my xmin, my xmax, numberOfBands, bandWidth, my xmin + 0.5 * bandWidth, 1, 1, 1, 1, 1); cherror
for (iband = 1; iband <= numberOfBands; iband ++) {
double fmin = thy xmin + (iband - 1) * bandWidth;
double meanEnergyDensity = Sampled_getMean (me, fmin, fmin + bandWidth, 0, 1, FALSE);
double meanPowerDensity = meanEnergyDensity * my dx; /* As an approximation for a division by the original duration. */
thy z [1] [iband] = meanPowerDensity == 0.0 ? -300.0 : 10 * log10 (meanPowerDensity / 4.0e-10);
}
end:
iferror forget (thee);
return thee;
}
static int parse_long(char* argv[])
{
unsigned j;
const char* arg = argv[0]+2;
for(j = 0; j < cli_option_count; j++) {
cli_option* o = cli_full_options[j];
if(o->name) {
size_t len = strlen(o->name);
if(!memcmp(arg, o->name, len)) {
if(arg[len] == '\0')
return cli_option_parse_long_noeq(o, argv[1]);
else if(arg[len] == '=')
return cli_option_parse_long_eq(o, arg+len+1);
}
}
}
error3("Unknown option string: '--", arg, "'");
return -1;
}
int TCPconnect0(char *bindAddress,int bindPort,int block)
{
struct in_addr iaddr;
struct sockaddr_in saddr;
int sd,j;
int nodelay;
if (!getAddress(bindAddress, &iaddr)) {
error2("Host %s could not be resolved\n",bindAddress);
return -1;
}
sd = socket(PF_INET, SOCK_STREAM, 0);
if (sd < 0) {
error("Couldn't create server socket!\n");
return -1;
}
saddr.sin_family = AF_INET;
memcpy(&saddr.sin_addr, &iaddr, sizeof(iaddr));
saddr.sin_port = htons(bindPort);
if (setsockopt(sd,IPPROTO_TCP,TCP_NODELAY,&nodelay,sizeof(nodelay))<0)
error("TCP_NODELAY failed\n");
if (block==0) {
j=0;
setsockopt(sd, SOL_SOCKET, SO_LINGER, &j, sizeof(j));
fcntl(sd, F_SETFL, O_NONBLOCK);
}
if (connect(sd, (struct sockaddr *)&saddr, sizeof(saddr)) < 0) {
error3("Couldn't connect to address %s port %d\n",
bindAddress, bindPort);
return -1;
}
return(sd);
}
static int initialize_device(out123_handle *ao)
{
mpg123_tinyalsa_t* ta = (mpg123_tinyalsa_t*)ao->userptr;
ta->config.channels = ao->channels;
ta->config.rate = ao->rate;
ta->config.period_size = 1024;
ta->config.period_count = 4;
ta->config.format = PCM_FORMAT_S16_LE;
ta->config.start_threshold = 0;
ta->config.stop_threshold = 0;
ta->config.silence_threshold = 0;
ta->pcm = pcm_open(ta->card, ta->device, PCM_OUT, &ta->config);
if (!ta->pcm || !pcm_is_ready(ta->pcm))
{
if(!AOQUIET)
error3( "(open) Unable to open card %u PCM device %u (%s)\n"
, ta->card, ta->device, pcm_get_error(ta->pcm) );
return -1;
}
return 0;
}
void testParagraph(void)
{
voice_index0 voice;
voice_index0 leader = 0, nv = 0;
paragraph_index0 mus;
short extra, l, nbar;
voice_index0 FORLIM;
Char STR2[256];
Char STR4[256];
nbars = 0;
pickup = 0;
nleft = 0;
if (top > bottom)
return;
pickup = 0;
*multi_bar_rest = '\0';
FORLIM = bottom;
for (voice = top; voice <= FORLIM; voice++) {
mus = musicLineNo(voice);
if (mus > 0) { /** -------------- Voice is present ---- */
nv++;
line_no = orig_line_no[mus-1];
scanMusic(voice, &l);
if (*multi_bar_rest != '\0' && nv > 1)
error("Multi-bar rest allows only one voice", print);
if (!pmx_preamble_done) {
if (voice == top)
pickup = l;
else if (pickup != l)
error3(voice, "The same pickup must appear in all voices");
}
nbar = numberOfBars(voice);
extra = ExtraLength(voice);
if (*multi_bar_rest != '\0' && (nbar > 0 || extra > 0))
error3(voice, "Multi-bar rest allows no other rests or notes");
if (nbar > nbars || nbar == nbars && extra > nleft) {
nbars = nbar;
nleft = extra;
leader = voice;
}
if (!final_paragraph && meternum > 0 && extra > 0) {
printf("Line has %s\n", describe(STR2, nbar, extra));
error(" Line does not end at complete bar", print);
}
if (pmx_preamble_done && l > 0 && meternum > 0) {
printf("l=%d meternum=%d\n", l, meternum);
error3(voice, "Short bar with no meter change");
}
}
}
if (!pmx_preamble_done) {
xmtrnum0 = (double)pickup / one_beat; /* Don't want an integer result */
if (beVerbose())
printf("Pickup = %d/64\n", pickup);
}
if (leader <= 0)
return;
FORLIM = bottom;
for (voice = top; voice <= FORLIM; voice++) {
if (musicLineNo(voice) > 0) {
if (voice != leader) {
mus = musicLineNo(voice);
line_no = orig_line_no[mus-1];
if (numberOfBars(voice) != numberOfBars(leader) ||
ExtraLength(voice) != ExtraLength(leader)) {
printf("Following line has %s\n",
describe(STR4, numberOfBars(voice), ExtraLength(voice)));
puts(musicLine(STR4, voice));
printf("Longest line has %s\n",
describe(STR2, numberOfBars(leader), ExtraLength(leader)));
puts(musicLine(STR2, leader));
error("Line duration anomaly", print);
}
}
}
}
}
/*
* c=num of channels of stream
* r=rate of stream
* return 0 on error
*/
int audio_fit_capabilities(struct audio_info_struct *ai,int c,int r)
{
int rn;
int f0=0;
if(param.force_8bit) f0 = 2; /* skip the 16bit encodings */
c--; /* stereo=1 ,mono=0 */
/* force stereo is stronger */
if(param.force_mono) c = 0;
if(param.force_stereo) c = 1;
if(param.force_rate) {
rn = rate2num(param.force_rate);
/* 16bit encodings */
if(audio_fit_cap_helper(ai,rn,f0,2,c)) return 1;
/* 8bit encodings */
if(audio_fit_cap_helper(ai,rn,2,NUM_ENCODINGS,c)) return 1;
/* try again with different stereoness */
if(c == 1 && !param.force_stereo) c = 0;
else if(c == 0 && !param.force_mono) c = 1;
/* 16bit encodings */
if(audio_fit_cap_helper(ai,rn,f0,2,c)) return 1;
/* 8bit encodings */
if(audio_fit_cap_helper(ai,rn,2,NUM_ENCODINGS,c)) return 1;
error3("Unable to set up output device! Constraints: %s%s%liHz.",
(param.force_stereo ? "stereo, " :
(param.force_mono ? "mono, " : "")),
(param.force_8bit ? "8bit, " : ""),
param.force_rate);
if(param.verbose <= 1) print_capabilities(ai);
return 0;
}
/* try different rates with 16bit */
rn = rate2num(r>>0);
if(audio_fit_cap_helper(ai,rn,f0,2,c))
return 1;
rn = rate2num(r>>1);
if(audio_fit_cap_helper(ai,rn,f0,2,c))
return 1;
rn = rate2num(r>>2);
if(audio_fit_cap_helper(ai,rn,f0,2,c))
return 1;
/* try different rates with 8bit */
rn = rate2num(r>>0);
if(audio_fit_cap_helper(ai,rn,2,NUM_ENCODINGS,c))
return 1;
rn = rate2num(r>>1);
if(audio_fit_cap_helper(ai,rn,2,NUM_ENCODINGS,c))
return 1;
rn = rate2num(r>>2);
if(audio_fit_cap_helper(ai,rn,2,NUM_ENCODINGS,c))
return 1;
/* try again with different stereoness */
if(c == 1 && !param.force_stereo) c = 0;
else if(c == 0 && !param.force_mono) c = 1;
/* 16bit */
rn = rate2num(r>>0);
if(audio_fit_cap_helper(ai,rn,f0,2,c)) return 1;
rn = rate2num(r>>1);
if(audio_fit_cap_helper(ai,rn,f0,2,c)) return 1;
rn = rate2num(r>>2);
if(audio_fit_cap_helper(ai,rn,f0,2,c)) return 1;
/* 8bit */
rn = rate2num(r>>0);
if(audio_fit_cap_helper(ai,rn,2,NUM_ENCODINGS,c)) return 1;
rn = rate2num(r>>1);
if(audio_fit_cap_helper(ai,rn,2,NUM_ENCODINGS,c)) return 1;
rn = rate2num(r>>2);
if(audio_fit_cap_helper(ai,rn,2,NUM_ENCODINGS,c)) return 1;
error5("Unable to set up output device! Constraints: %s%s%i, %i or %iHz.",
(param.force_stereo ? "stereo, " :
(param.force_mono ? "mono, " : "")),
(param.force_8bit ? "8bit, " : ""),
r, r>>1, r>>2);
if(param.verbose <= 1) print_capabilities(ai);
return 0;
}
int
main_program(int num_channels, int num_connections, const char *server_hostname, int server_port, int timeout)
{
struct sockaddr_in server_address;
int main_sd = -1, num_events = 0, i, j, event_mask, channels_per_connection, num, start_time = 0, iters_to_next_summary = 0;
Connection *connections = NULL, *connection;
Statistics stats = {0,0,0,0,0};
int exitcode = EXIT_SUCCESS;
struct epoll_event events[MAX_EVENTS];
char buffer[BIG_BUFFER_SIZE];
info("Subscriber starting up\n");
info("Subscriber: %d connections to %d channels on server: %s:%d\n", num_connections, num_channels, server_hostname, server_port);
if ((fill_server_address(server_hostname, server_port, &server_address)) != 0) {
error2("ERROR host name not found\n");
}
if ((main_sd = epoll_create(200 /* this size is not used on Linux kernel 2.6.8+ */)) < 0) {
error3("Failed %d creating main epoll socket\n", errno);
}
if ((connections = init_connections(num_connections, &server_address, main_sd)) == NULL) {
error2("Failed to create to connections\n");
}
stats.requested_connections = num_connections;
for (i = 0; i < num_connections; i++) {
connections[i].channel_start = 0;
connections[i].channel_end = num_channels - 1;
}
// infinite loop
debug("Entering Infinite Loop\n");
iters_to_next_summary = ITERATIONS_TILL_SUMMARY_PER_TIMEOUT/timeout;
for(;;) {
if ((num_events = epoll_wait(main_sd, events, MAX_EVENTS, timeout)) < 0) {
error3("epoll_wait failed\n");
}
for (i = 0; i < num_events; i++) {
event_mask = events[i].events;
connection = (Connection *)(events[i].data.ptr);
if (event_mask & EPOLLHUP) { // SERVER HUNG UP
debug("EPOLLHUP\n");
info("Server hung up on conncetion %d. Reconecting...\n", connection->index);
sleep(1);
stats.connections--;
reopen_connection(connection);
continue;
}
if (event_mask & EPOLLERR) {
debug("EPOLLERR\n");
info("Server returned an error on connection %d. Reconecting...\n", connection->index);
stats.connections--;
reopen_connection(connection);
continue;
}
if (event_mask & EPOLLIN) { // READ
debug("----------READ AVAILABLE-------\n");
if (connection->state == CONNECTED) {
read_response(connection, &stats, buffer, BIG_BUFFER_SIZE);
}
}
if (event_mask & EPOLLOUT) { // WRITE
debug("----------WRITE AVAILABLE-------\n");
if (start_time == 0) {
start_time = time(NULL);
}
if (connection->state == CONNECTING) {
connection->state = CONNECTED;
stats.connections++;
debug("Connection opened for index=%d\n", connection->index);
subscribe_channels(connection, &stats);
// remove write flag from event
if (change_connection(connection, EPOLLIN | EPOLLHUP) < 0) {
error2("Failed creating socket for connection = %d\n", connection->index);
}
}
}
}
if ((iters_to_next_summary-- <= 0)) {
iters_to_next_summary = ITERATIONS_TILL_SUMMARY_PER_TIMEOUT/timeout;
summary("Connections=%ld, Messages=%ld BytesRead=%ld Msg/Sec=%0.2f\n", stats.connections, stats.messages, stats.bytes_read, calc_message_per_second(stats.messages, start_time));
}
if (stats.connections == 0) {
num = 0;
for (j = 0; j < num_connections; j++) {
if (connections[i].state != CLOSED) {
num++;
break;
}
}
if (num == 0) {
exitcode = EXIT_SUCCESS;
goto exit;
}
}
}
exit:
if (connections != NULL) free(connections);
return exitcode;
}
/*
* Do a timed read of some bytes on the network.
*
* >= 0 => read some bytes
* -1 => read() error
* -2 => timeout
*/
ssize_t
net_read(int fd, void *buf, size_t buf_size, unsigned timeout)
{
static char n[] = "net_read";
ssize_t nread;
int e;
struct sigaction a;
struct itimerval t;
/*
* Set the timeout alarm handler.
*/
memset(&a, 0, sizeof a);
alarm_caught = 0;
a.sa_handler = catch_SIGALRM;
a.sa_flags = 0;
sigemptyset(&a.sa_mask);
t.it_interval.tv_sec = 0;
t.it_interval.tv_usec = 0;
t.it_value.tv_sec = timeout;
t.it_value.tv_usec = 0;
again:
/*
* Set the alarm handler.
*/
if (sigaction(SIGALRM, &a, (struct sigaction *)0))
panic3(n, "sigaction(ALRM) failed", strerror(errno));
/*
* Set the interval time.
*/
if (setitimer(ITIMER_REAL, &t, (struct itimerval *)0))
panic3(n, "setitimer(REAL) failed", strerror(errno));
nread = read(fd, (void *)buf, buf_size);
e = errno;
/*
* Disable timer.
*
* Note:
* Does setitimer(t.it_interval.tv_sec == 0) above imply
* timer never refires?
*/
t.it_value.tv_sec = 0;
if (setitimer(ITIMER_REAL, &t, (struct itimerval *)0))
panic3(n, "setitimer(REAL) reset failed", strerror(errno));
if (nread < 0) {
char tbuf[27];
if (e != EINTR && e != EAGAIN) {
error3(n, "read() failed", strerror(e));
errno = e;
return -1;
}
if (!alarm_caught)
goto again;
alarm_caught = 0;
snprintf(tbuf, sizeof tbuf, "timed out after %d secs", timeout);
error3(n, "alarm caught", tbuf);
return -2;
}
return nread;
}
void scanMusic(voice_index voice_, short *left_over)
{
struct LOC_scanMusic V;
Char buf[256], enote[256], xnote[256];
boolean has_next = false, done = false;
Char dur1, lastdur;
music_word nscan;
Char STR1[256];
V.voice = voice_;
strcpy(terminators, "d.x");
resetInfo(V.voice, buf);
*left_over = 0;
V.store_macro = false;
V.bar = full_bar;
V.bar_length = 0;
V.ngrace = 0;
V.nmulti = 0;
if (meternum == 0)
V.bar = 32000;
dur1 = duration(V.voice);
lastdur = dur1;
do {
getNextMusWord(buf, V.note, &nscan);
if (*V.note == '\0')
break;
V.count = 0;
/* if isNoteOrRest(note) and not (isPause(note) or isMultibarRest(note))
then note:=toStandard(note); */
V.doublex = (pos1('D', V.note) > 0);
if (nscan == mword) {
if (*V.note == '\0')
error3(V.voice, "You may not end a line with a meter change");
if (V.bar_length > 0)
error3(V.voice, "Meter change only allowed at start of bar");
else
V.bar = barLength(V.note);
} else if (nscan == rword) {
if (!(isPause(V.note) || isMultiBarRest(V.note))) {
processNote(V.note, xnote, dur1, &lastdur, &V.count);
checkSticky(V.note, rest_attrib[V.voice-1]);
}
}
if (*V.note != '\0')
appendNote(V.voice, nscan);
strcpy(enote, V.note);
if (nscan == macro || nscan == endmacro)
examineMacro(&V);
if (nscan == abcdefg) {
if (!multi_bar_rest && V.ngrace + V.nmulti == 0) {
processNote(enote, xnote, dur1, &lastdur, &V.count);
if (*xnote != '\0') {
checkSticky(enote, note_attrib[V.voice-1]);
appendToLine(V.voice, enote);
appendNote(V.voice, nscan);
strcpy(enote, xnote);
}
checkSticky(enote, note_attrib[V.voice-1]);
}
}
appendToLine(V.voice, enote);
if (*V.note == '\0') /* !!! else word_bound[here]:=length(line); */
done = true;
sprintf(STR1, "%c", barsym);
if (!strcmp(V.note, STR1)) {
if (meternum == 0)
error3(V.voice, "You may not use bar lines in barless music");
else if (V.bar_length == 0)
markBar(V.voice);
else if (numberOfBars(V.voice) == 0 && V.bar_length < V.bar) {
if (has_next)
has_next = false; /*Should check whether pickups are equal*/
else if (*left_over > 0)
error3(V.voice, "Bar is too short");
*left_over = V.bar_length;
V.bar_length = 0;
}
}
if (nscan == nextvoice) {
if (V.bar_length > 0)
error3(V.voice, "Next voice before bar is full");
else
barForward(V.voice, -1);
has_next = true;
} else if (isPause(V.note))
V.bar_length += V.bar;
else if (!multi_bar_rest) { /*do nothing*/
if (!done && isNoteOrRest(V.note))
countIt(&V);
else
maybeGroup(&V);
}
dur1 = lastdur;
if (V.bar_length >= V.bar && V.ngrace + V.nmulti == 0 && !V.store_macro) {
if (debugMode())
printf("%d %d\n", V.voice, V.bar_length);
barForward(V.voice, V.bar_length / V.bar);
V.bar_length %= V.bar;
/* p2c: mtx.pas, line 268:
* Note: Using % for possibly-negative arguments [317] */
}
} while (!done);
setExtraLength(V.voice, V.bar_length);
resetDuration(V.voice, dur1);
regroup(V.voice);
}
/*
* Do a timed write() of an entire buffer.
* Returns
*
* 0 => entire buffer written without error
* 1 => write() timed out
* -1 => write() error
*/
int
net_write(int fd, void *buf, size_t buf_size, unsigned timeout)
{
static char n[] = "net_write";
int nwrite;
unsigned char *b, *b_end;
struct sigaction a;
struct itimerval t;
int e;
b = buf;
b_end = buf + buf_size;
/*
* Set the timeout alarm handler.
*/
memset(&a, 0, sizeof a);
alarm_caught = 0;
a.sa_handler = catch_SIGALRM;
a.sa_flags = 0;
sigemptyset(&a.sa_mask);
t.it_interval.tv_sec = 0;
t.it_interval.tv_usec = 0;
t.it_value.tv_sec = timeout;
t.it_value.tv_usec = 0;
again:
/*
* Set the ALRM handler.
*/
if (sigaction(SIGALRM, &a, (struct sigaction *)0))
panic3(n, "sigaction(ALRM) failed", strerror(errno));
/*
* Set the timer
*/
if (setitimer(ITIMER_REAL, &t, (struct itimerval *)0))
panic3(n, "write_buf: setitimer(REAL) failed", strerror(errno));
nwrite = write(fd, (void *)b, b_end - b);
e = errno;
/*
* Disable timer.
*
* Note:
* Does setitimer(t.it_interval.tv_sec == 0) above imply
* timer never refires?
*/
t.it_value.tv_sec = 0;
t.it_value.tv_usec = 0;
if (setitimer(ITIMER_REAL, &t, (struct itimerval *)0))
panic3(n, "setitimer(REAL, 0) failed", strerror(errno));
if (nwrite < 0) {
char tbuf[20];
if (e != EINTR && e != EAGAIN) {
error3(n, "write() failed", strerror(errno));
errno = e;
return -1;
}
if (!alarm_caught)
goto again;
alarm_caught = 0;
snprintf(tbuf, sizeof tbuf, "timed out after %d secs", timeout);
error3(n, "alarm caught", tbuf);
return 1;
}
b += nwrite;
if (b < b_end)
goto again;
return 0;
}
Local void incbar(short nl, struct LOC_countIt *LINK)
{
LINK->LINK->bar_length += nl;
if (LINK->LINK->bar_length > LINK->LINK->bar && meternum > 0)
error3(LINK->LINK->voice, "Bar end occurs in mid-note");
}
Local Char *processOther(Char *Result, Char *note_,
struct LOC_processLine *LINK)
{
Char note[256];
strcpy(note, note_);
switch (thisNote(LINK->voice)) {
case other:
if (note[0] == grace_group) {
if (strlen(note) == 1)
LINK->ngrace = 1;
else
LINK->ngrace = pos1(note[1], digits);
if (LINK->ngrace > 0)
LINK->ngrace--;
}
break;
/* For a zword, take note of pitch but do not change the contents */
/* Add spurious duration because repitch expects duration to be present */
case zword:
strcpy(LINK->cutnote, note);
predelete(LINK->cutnote, 1);
insertChar('4', LINK->cutnote, 2);
checkOctave(LINK->voice, LINK->cutnote);
renewPitch(LINK->voice, LINK->cutnote);
break;
case lyrtag:
extractLyrtag(LINK->voice, note);
break;
case rbrac:
endBeam(LINK->voice);
break;
case rparen:
case rlparen:
endSlur(LINK->voice, note);
break;
case lbrac:
beginBeam(LINK->voice, note);
break;
case lparen:
maybeDotted(note, LINK);
beginSlur(LINK->voice, note);
break;
case mword:
error3(LINK->voice, "Meter change must be the first word of its bar");
break;
case atword:
lyricsAdjust(LINK->voice, note);
break;
}
return strcpy(Result, note);
}
