/*! \brief Helper function which retrieves or allocates a T.38 state information datastore */
static struct t38_state *t38_state_get_or_alloc(struct ast_sip_session *session)
{
RAII_VAR(struct ast_datastore *, datastore, ast_sip_session_get_datastore(session, "t38"), ao2_cleanup);
struct t38_state *state;
/* While the datastore refcount is decremented this is operating in the serializer so it will remain valid regardless */
if (datastore) {
return datastore->data;
}
if (!(datastore = ast_sip_session_alloc_datastore(&t38_datastore, "t38")) ||
!(datastore->data = ast_calloc(1, sizeof(struct t38_state))) ||
ast_sip_session_add_datastore(session, datastore)) {
return NULL;
}
state = datastore->data;
/* This will get bumped up before scheduling */
state->timer.user_data = session;
state->timer.cb = t38_automatic_reject_timer_cb;
datastore->data = state;
return state;
}
static void *playtones_alloc(struct ast_channel *chan, void *params)
{
struct playtones_def *pd = params;
struct playtones_state *ps = NULL;
if (!(ps = ast_calloc(1, sizeof(*ps)))) {
return NULL;
}
ps->origwfmt = ao2_bump(ast_channel_writeformat(chan));
if (ast_set_write_format(chan, ast_format_slin)) {
ast_log(LOG_WARNING, "Unable to set '%s' to signed linear format (write)\n", ast_channel_name(chan));
playtones_release(NULL, ps);
ps = NULL;
} else {
ps->vol = pd->vol;
ps->reppos = pd->reppos;
ps->nitems = pd->nitems;
ps->items = pd->items;
ps->oldnpos = -1;
}
/* Let interrupts interrupt :) */
if (pd->interruptible) {
ast_set_flag(ast_channel_flags(chan), AST_FLAG_WRITE_INT);
} else {
ast_clear_flag(ast_channel_flags(chan), AST_FLAG_WRITE_INT);
}
return ps;
}
void *_ast_register_timing_interface(struct ast_timing_interface *funcs,
struct ast_module *mod)
{
struct timing_holder *h;
if (!funcs->timer_open ||
!funcs->timer_close ||
!funcs->timer_set_rate ||
!funcs->timer_ack ||
!funcs->timer_get_event ||
!funcs->timer_get_max_rate ||
!funcs->timer_enable_continuous ||
!funcs->timer_disable_continuous) {
return NULL;
}
if (!(h = ast_calloc(1, sizeof(*h)))) {
return NULL;
}
h->iface = funcs;
h->mod = mod;
ast_heap_wrlock(timing_interfaces);
ast_heap_push(timing_interfaces, h);
ast_heap_unlock(timing_interfaces);
return h;
}
int stasis_app_control_dial(struct stasis_app_control *control, const char *endpoint, const char *exten, const char *context,
int timeout)
{
struct stasis_app_control_dial_data *dial_data;
if (!(dial_data = ast_calloc(1, sizeof(*dial_data)))) {
return -1;
}
if (!ast_strlen_zero(endpoint)) {
ast_copy_string(dial_data->endpoint, endpoint, sizeof(dial_data->endpoint));
} else if (!ast_strlen_zero(exten) && !ast_strlen_zero(context)) {
snprintf(dial_data->endpoint, sizeof(dial_data->endpoint), "Local/%s@%s", exten, context);
} else {
return -1;
}
if (timeout > 0) {
dial_data->timeout = timeout * 1000;
} else if (timeout == -1) {
dial_data->timeout = -1;
} else {
dial_data->timeout = 30000;
}
stasis_app_send_command_async(control, app_control_dial, dial_data);
return 0;
}
struct ast_timer *ast_timer_open(void)
{
int fd = -1;
struct timing_holder *h;
struct ast_timer *t = NULL;
ast_heap_rdlock(timing_interfaces);
if ((h = ast_heap_peek(timing_interfaces, 1))) {
fd = h->iface->timer_open();
ast_module_ref(h->mod);
}
if (fd != -1) {
if (!(t = ast_calloc(1, sizeof(*t)))) {
h->iface->timer_close(fd);
} else {
t->fd = fd;
t->holder = h;
}
}
ast_heap_unlock(timing_interfaces);
return t;
}
struct fixed_jb *fixed_jb_new(struct fixed_jb_conf *conf)
{
struct fixed_jb *jb;
if (!(jb = ast_calloc(1, sizeof(*jb))))
return NULL;
/* First copy our config */
memcpy(&jb->conf, conf, sizeof(struct fixed_jb_conf));
/* we don't need the passed config anymore - continue working with the saved one */
conf = &jb->conf;
/* validate the configuration */
if (conf->jbsize < 1)
conf->jbsize = FIXED_JB_SIZE_DEFAULT;
if (conf->resync_threshold < 1)
conf->resync_threshold = FIXED_JB_RESYNCH_THRESHOLD_DEFAULT;
/* Set the constant delay to the jitterbuf */
jb->delay = conf->jbsize;
return jb;
}
static struct srv_context *srv_datastore_setup(const char *service, struct ast_channel *chan)
{
struct srv_result_datastore *srds;
struct ast_datastore *datastore;
const char *host;
unsigned short port;
if (!(srds = ast_calloc(1, sizeof(*srds) + strlen(service)))) {
return NULL;
}
ast_autoservice_start(chan);
if (ast_srv_lookup(&srds->context, service, &host, &port) < 0) {
ast_autoservice_stop(chan);
ast_log(LOG_NOTICE, "Error performing lookup of service '%s'\n", service);
ast_free(srds);
return NULL;
}
ast_autoservice_stop(chan);
strcpy(srds->id, service);
if (!(datastore = ast_datastore_alloc(&srv_result_datastore_info, srds->id))) {
ast_srv_cleanup(&srds->context);
ast_free(srds);
return NULL;
}
datastore->data = srds;
ast_channel_lock(chan);
ast_channel_datastore_add(chan, datastore);
ast_channel_unlock(chan);
return srds->context;
}
/*! \brief Called when we want to place a call somewhere, but not actually call it... yet */
static struct ast_channel *bridge_request(const char *type, int format, void *data, int *cause)
{
struct bridge_pvt *p = NULL;
/* Try to allocate memory for our very minimal pvt structure */
if (!(p = ast_calloc(1, sizeof(*p)))) {
return NULL;
}
/* Try to grab two Asterisk channels to use as input and output channels */
if (!(p->input = ast_channel_alloc(1, AST_STATE_UP, 0, 0, "", "", "", 0, "Bridge/%p-input", p))) {
ast_free(p);
return NULL;
}
if (!(p->output = ast_channel_alloc(1, AST_STATE_UP, 0, 0, "", "", "", 0, "Bridge/%p-output", p))) {
ast_channel_free(p->input);
ast_free(p);
return NULL;
}
/* Setup the lock on the pvt structure, we will need that */
ast_mutex_init(&p->lock);
/* Setup parameters on both new channels */
p->input->tech = p->output->tech = &bridge_tech;
p->input->tech_pvt = p->output->tech_pvt = p;
p->input->nativeformats = p->output->nativeformats = AST_FORMAT_SLINEAR;
p->input->readformat = p->output->readformat = AST_FORMAT_SLINEAR;
p->input->rawreadformat = p->output->rawreadformat = AST_FORMAT_SLINEAR;
p->input->writeformat = p->output->writeformat = AST_FORMAT_SLINEAR;
p->input->rawwriteformat = p->output->rawwriteformat = AST_FORMAT_SLINEAR;
return p->input;
}
static int setup_mixmonitor_ds(struct mixmonitor *mixmonitor, struct ast_channel *chan, char **datastore_id)
{
struct ast_datastore *datastore = NULL;
struct mixmonitor_ds *mixmonitor_ds;
if (!(mixmonitor_ds = ast_calloc(1, sizeof(*mixmonitor_ds)))) {
return -1;
}
if (ast_asprintf(datastore_id, "%p", mixmonitor_ds) == -1) {
ast_log(LOG_ERROR, "Failed to allocate memory for MixMonitor ID.\n");
}
ast_mutex_init(&mixmonitor_ds->lock);
ast_cond_init(&mixmonitor_ds->destruction_condition, NULL);
if (!(datastore = ast_datastore_alloc(&mixmonitor_ds_info, *datastore_id))) {
ast_mutex_destroy(&mixmonitor_ds->lock);
ast_cond_destroy(&mixmonitor_ds->destruction_condition);
ast_free(mixmonitor_ds);
return -1;
}
mixmonitor_ds->samp_rate = 8000;
mixmonitor_ds->audiohook = &mixmonitor->audiohook;
datastore->data = mixmonitor_ds;
ast_channel_lock(chan);
ast_channel_datastore_add(chan, datastore);
ast_channel_unlock(chan);
mixmonitor->mixmonitor_ds = mixmonitor_ds;
return 0;
}
struct ast_timer *ast_timer_open(void)
{
void *data = NULL;
struct timing_holder *h;
struct ast_timer *t = NULL;
ast_heap_rdlock(timing_interfaces);
if ((h = ast_heap_peek(timing_interfaces, 1))) {
data = h->iface->timer_open();
ast_module_ref(h->mod);
}
if (data) {
if (!(t = ast_calloc(1, sizeof(*t)))) {
h->iface->timer_close(data);
} else {
t->data = data;
t->holder = h;
}
}
ast_heap_unlock(timing_interfaces);
return t;
}
struct ast_var_t *ast_var_assign(const char *name, const char *value)
#endif
{
struct ast_var_t *var;
int name_len = strlen(name) + 1;
int value_len = strlen(value) + 1;
#ifdef MALLOC_DEBUG
if (!(var = __ast_calloc(sizeof(*var) + name_len + value_len, sizeof(char), file, lineno, function))) {
#else
if (!(var = ast_calloc(sizeof(*var) + name_len + value_len, sizeof(char)))) {
#endif
return NULL;
}
ast_copy_string(var->name, name, name_len);
var->value = var->name + name_len;
ast_copy_string(var->value, value, value_len);
return var;
}
void ast_var_delete(struct ast_var_t *var)
{
ast_free(var);
}
static void * playtones_alloc(struct ast_channel *chan, void *params)
{
struct playtones_def *pd = params;
struct playtones_state *ps = NULL;
if (!(ps = ast_calloc(1, sizeof(*ps))))
return NULL;
ps->origwfmt = chan->writeformat;
if (ast_set_write_format(chan, AST_FORMAT_SLINEAR)) {
ast_log(LOG_WARNING, "Unable to set '%s' to signed linear format (write)\n", chan->name);
playtones_release(NULL, ps);
ps = NULL;
} else {
ps->vol = pd->vol;
ps->reppos = pd->reppos;
ps->nitems = pd->nitems;
ps->items = pd->items;
ps->oldnpos = -1;
}
/* Let interrupts interrupt :) */
if (pd->interruptible)
ast_set_flag(chan, AST_FLAG_WRITE_INT);
else
ast_clear_flag(chan, AST_FLAG_WRITE_INT);
return ps;
}
/*!
* \brief test taskprocessor listener's alloc callback
*/
static void *test_listener_pvt_alloc(void)
{
struct test_listener_pvt *pvt;
pvt = ast_calloc(1, sizeof(*pvt));
return pvt;
}
/*
* ADD INDICATION command stuff
*/
static int handle_add_indication(int fd, int argc, char *argv[])
{
struct tone_zone *tz;
int created_country = 0;
if (argc != 5) return RESULT_SHOWUSAGE;
tz = ast_get_indication_zone(argv[2]);
if (!tz) {
/* country does not exist, create it */
ast_log(LOG_NOTICE, "Country '%s' does not exist, creating it.\n",argv[2]);
if (!(tz = ast_calloc(1, sizeof(*tz)))) {
return -1;
}
ast_copy_string(tz->country,argv[2],sizeof(tz->country));
if (ast_register_indication_country(tz)) {
ast_log(LOG_WARNING, "Unable to register new country\n");
free(tz);
return -1;
}
created_country = 1;
}
if (ast_register_indication(tz,argv[3],argv[4])) {
ast_log(LOG_WARNING, "Unable to register indication %s/%s\n",argv[2],argv[3]);
if (created_country)
ast_unregister_indication_country(argv[2]);
return -1;
}
return 0;
}
int stasis_app_control_set_channel_var(struct stasis_app_control *control, const char *variable, const char *value)
{
struct chanvar *var;
var = ast_calloc(1, sizeof(*var));
if (!var) {
return -1;
}
var->name = ast_strdup(variable);
if (!var->name) {
free_chanvar(var);
return -1;
}
/* It's kosher for value to be NULL. It means the variable is being unset */
if (value) {
var->value = ast_strdup(value);
if (!var->value) {
free_chanvar(var);
return -1;
}
}
stasis_app_send_command_async(control, app_control_set_channel_var, var, free_chanvar);
return 0;
}
static int setup_mixmonitor_ds(struct mixmonitor *mixmonitor, struct ast_channel *chan)
{
struct ast_datastore *datastore = NULL;
struct mixmonitor_ds *mixmonitor_ds;
if (!(mixmonitor_ds = ast_calloc(1, sizeof(*mixmonitor_ds)))) {
return -1;
}
ast_mutex_init(&mixmonitor_ds->lock);
ast_cond_init(&mixmonitor_ds->destruction_condition, NULL);
if (!(datastore = ast_datastore_alloc(&mixmonitor_ds_info, NULL))) {
ast_mutex_destroy(&mixmonitor_ds->lock);
ast_cond_destroy(&mixmonitor_ds->destruction_condition);
ast_free(mixmonitor_ds);
return -1;
}
/* No need to lock mixmonitor_ds since this is still operating in the channel's thread */
mixmonitor_ds->chan = chan;
mixmonitor_ds->audiohook = &mixmonitor->audiohook;
datastore->data = mixmonitor_ds;
ast_channel_lock(chan);
ast_channel_datastore_add(chan, datastore);
ast_channel_unlock(chan);
mixmonitor->mixmonitor_ds = mixmonitor_ds;
return 0;
}
struct ast_include *include_alloc(const char *value, const char *registrar)
{
struct ast_include *new_include;
char *c;
int valuebufsz = strlen(value) + 1;
char *p;
/* allocate new include structure ... */
new_include = ast_calloc(1, sizeof(*new_include) + (valuebufsz * 2));
if (!new_include) {
return NULL;
}
/* Fill in this structure. Use 'p' for assignments, as the fields
* in the structure are 'const char *'
*/
p = new_include->stuff;
new_include->name = p;
strcpy(p, value);
p += valuebufsz;
new_include->rname = p;
strcpy(p, value);
/* Strip off timing info, and process if it is there */
if ((c = strchr(p, ',')) ) {
*c++ = '\0';
new_include->hastime = ast_build_timing(&(new_include->timing), c);
}
new_include->registrar = registrar;
return new_include;
}
/*!
* \internal
* \brief Set the features datastore if it doesn't exist.
*
* \param chan Channel to add features datastore
* \param my_features The channel's feature flags
* \param peer_features The channel's bridge peer feature flags
*
* \retval TRUE if features datastore already existed.
*/
static int add_features_datastore(struct ast_channel *chan, const struct ast_flags *my_features, const struct ast_flags *peer_features)
{
struct ast_datastore *datastore;
struct ast_dial_features *dialfeatures;
ast_channel_lock(chan);
datastore = ast_channel_datastore_find(chan, &dial_features_info, NULL);
ast_channel_unlock(chan);
if (datastore) {
/* Already exists. */
return 1;
}
/* Create a new datastore with specified feature flags. */
datastore = ast_datastore_alloc(&dial_features_info, NULL);
if (!datastore) {
ast_log(LOG_WARNING, "Unable to create channel features datastore.\n");
return 0;
}
dialfeatures = ast_calloc(1, sizeof(*dialfeatures));
if (!dialfeatures) {
ast_log(LOG_WARNING, "Unable to allocate memory for feature flags.\n");
ast_datastore_free(datastore);
return 0;
}
ast_copy_flags(&dialfeatures->my_features, my_features, AST_FLAGS_ALL);
ast_copy_flags(&dialfeatures->peer_features, peer_features, AST_FLAGS_ALL);
datastore->inheritance = DATASTORE_INHERIT_FOREVER;
datastore->data = dialfeatures;
ast_channel_lock(chan);
ast_channel_datastore_add(chan, datastore);
ast_channel_unlock(chan);
return 0;
}
struct sip_srtp *sip_srtp_alloc(void)
{
struct sip_srtp *srtp;
srtp = ast_calloc(1, sizeof(*srtp));
return srtp;
}
struct callerid_state *callerid_new(int cid_signalling)
{
struct callerid_state *cid;
if ((cid = ast_calloc(1, sizeof(*cid)))) {
#ifdef INTEGER_CALLERID
cid->fskd.ispb = 7; /* 1200 baud */
/* Set up for 1200 / 8000 freq *32 to allow ints */
cid->fskd.pllispb = (int)(8000 * 32 / 1200);
cid->fskd.pllids = cid->fskd.pllispb/32;
cid->fskd.pllispb2 = cid->fskd.pllispb/2;
cid->fskd.icont = 0; /* PLL REset */
/* cid->fskd.hdlc = 0; */ /* Async */
cid->fskd.nbit = 8; /* 8 bits */
cid->fskd.instop = 1; /* 1 stop bit */
/* cid->fskd.paridad = 0; */ /* No parity */
cid->fskd.bw = 1; /* Filter 800 Hz */
if (cid_signalling == 2) { /* v23 signalling */
cid->fskd.f_mark_idx = 4; /* 1300 Hz */
cid->fskd.f_space_idx = 5; /* 2100 Hz */
} else { /* Bell 202 signalling as default */
cid->fskd.f_mark_idx = 2; /* 1200 Hz */
cid->fskd.f_space_idx = 3; /* 2200 Hz */
}
/* cid->fskd.pcola = 0; */ /* No clue */
/* cid->fskd.cont = 0.0; */ /* Digital PLL reset */
/* cid->fskd.x0 = 0.0; */
/* cid->fskd.state = 0; */
cid->flags = CID_UNKNOWN_NAME | CID_UNKNOWN_NUMBER;
/* cid->pos = 0; */
fskmodem_init(&cid->fskd);
#else
cid->fskd.spb = 7.0; /* 1200 baud */
/* cid->fskd.hdlc = 0; */ /* Async */
cid->fskd.nbit = 8; /* 8 bits */
cid->fskd.nstop = 1.0; /* 1 stop bit */
/* cid->fskd.paridad = 0; */ /* No parity */
cid->fskd.bw = 1; /* Filter 800 Hz */
if (cid_signalling == 2) { /* v23 signalling */
cid->fskd.f_mark_idx = 4; /* 1300 Hz */
cid->fskd.f_space_idx = 5; /* 2100 Hz */
} else { /* Bell 202 signalling as default */
cid->fskd.f_mark_idx = 2; /* 1200 Hz */
cid->fskd.f_space_idx = 3; /* 2200 Hz */
}
/* cid->fskd.pcola = 0; */ /* No clue */
/* cid->fskd.cont = 0.0; */ /* Digital PLL reset */
/* cid->fskd.x0 = 0.0; */
/* cid->fskd.state = 0; */
cid->flags = CID_UNKNOWN_NAME | CID_UNKNOWN_NUMBER;
/* cid->pos = 0; */
#endif
}
return cid;
}
static void *http_root(void *data)
{
int fd;
struct sockaddr_in sin;
socklen_t sinlen;
struct ast_http_server_instance *ser;
pthread_t launched;
pthread_attr_t attr;
for (;;) {
int flags;
ast_wait_for_input(httpfd, -1);
sinlen = sizeof(sin);
fd = accept(httpfd, (struct sockaddr *)&sin, &sinlen);
if (fd < 0) {
if ((errno != EAGAIN) && (errno != EINTR))
ast_log(LOG_WARNING, "Accept failed: %s\n", strerror(errno));
continue;
}
if (ast_atomic_fetchadd_int(&session_count, +1) >= session_limit) {
close(fd);
continue;
}
ser = ast_calloc(1, sizeof(*ser));
if (!ser) {
ast_log(LOG_WARNING, "No memory for new session: %s\n", strerror(errno));
close(fd);
ast_atomic_fetchadd_int(&session_count, -1);
continue;
}
flags = fcntl(fd, F_GETFL);
fcntl(fd, F_SETFL, flags & ~O_NONBLOCK);
ser->fd = fd;
memcpy(&ser->requestor, &sin, sizeof(ser->requestor));
if ((ser->f = fdopen(ser->fd, "w+"))) {
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
if (ast_pthread_create_background(&launched, &attr, ast_httpd_helper_thread, ser)) {
ast_log(LOG_WARNING, "Unable to launch helper thread: %s\n", strerror(errno));
fclose(ser->f);
free(ser);
ast_atomic_fetchadd_int(&session_count, -1);
}
pthread_attr_destroy(&attr);
} else {
ast_log(LOG_WARNING, "fdopen failed!\n");
close(ser->fd);
free(ser);
ast_atomic_fetchadd_int(&session_count, -1);
}
}
return NULL;
}
static int __ast_http_post_load(int reload)
{
struct ast_config *cfg;
struct ast_variable *v;
struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
cfg = ast_config_load2("http.conf", "http", config_flags);
if (cfg == CONFIG_STATUS_FILEMISSING || cfg == CONFIG_STATUS_FILEUNCHANGED || cfg == CONFIG_STATUS_FILEINVALID) {
return 0;
}
if (reload) {
ast_http_uri_unlink_all_with_key(__FILE__);
}
if (cfg) {
for (v = ast_variable_browse(cfg, "general"); v; v = v->next) {
if (!strcasecmp(v->name, "prefix")) {
ast_copy_string(prefix, v->value, sizeof(prefix));
if (prefix[strlen(prefix)] == '/') {
prefix[strlen(prefix)] = '\0';
}
}
}
for (v = ast_variable_browse(cfg, "post_mappings"); v; v = v->next) {
struct ast_http_uri *urih;
struct ast_str *ds;
if (!(urih = ast_calloc(sizeof(*urih), 1))) {
ast_config_destroy(cfg);
return -1;
}
if (!(ds = ast_str_create(32))) {
ast_free(urih);
ast_config_destroy(cfg);
return -1;
}
urih->description = ast_strdup("HTTP POST mapping");
urih->uri = ast_strdup(v->name);
ast_str_set(&ds, 0, "%s", v->value);
urih->data = ds;
urih->has_subtree = 0;
urih->supports_get = 0;
urih->supports_post = 1;
urih->callback = http_post_callback;
urih->key = __FILE__;
urih->mallocd = urih->dmallocd = 1;
ast_http_uri_link(urih);
}
ast_config_destroy(cfg);
}
return 0;
}
static void *calloc_wrapper(unsigned int num_structs, size_t struct_size,
const char *file, int lineno, const char *func)
{
#if defined(__AST_DEBUG_MALLOC)
return __ast_calloc(num_structs, struct_size, file, lineno, func);
#else
return ast_calloc(num_structs, struct_size);
#endif
}
struct ast_sdp_srtp *ast_sdp_srtp_alloc(void)
{
if (!ast_rtp_engine_srtp_is_registered()) {
ast_debug(1, "No SRTP module loaded, can't setup SRTP session.\n");
return NULL;
}
return ast_calloc(1, sizeof(struct ast_sdp_srtp));
}
/*! \brief Add enum tree to linked list */
static struct enum_search *enum_newtoplev(const char *s)
{
struct enum_search *tmp;
if ((tmp = ast_calloc(1, sizeof(*tmp)))) {
ast_copy_string(tmp->toplev, s, sizeof(tmp->toplev));
}
return tmp;
}
/*! \brief open the grabber.
* We use the special name 'X11' to indicate this grabber.
*/
static void *grab_x11_open(const char *name, struct fbuf_t *geom, int fps)
{
XImage *im;
int screen_num;
struct grab_x11_desc *v;
struct fbuf_t *b;
/* all names starting with X11 identify this grabber */
if (strncasecmp(name, "X11", 3))
return NULL; /* not us */
v = ast_calloc(1, sizeof(*v));
if (v == NULL)
return NULL; /* no memory */
/* init the connection with the X server */
v->dpy = XOpenDisplay(NULL);
if (v->dpy == NULL) {
ast_log(LOG_WARNING, "error opening display\n");
goto error;
}
v->b = *geom; /* copy geometry */
b = &v->b; /* shorthand */
/* find width and height of the screen */
screen_num = DefaultScreen(v->dpy);
v->screen_width = DisplayWidth(v->dpy, screen_num);
v->screen_height = DisplayHeight(v->dpy, screen_num);
v->image = im = XGetImage(v->dpy,
RootWindow(v->dpy, DefaultScreen(v->dpy)),
b->x, b->y, b->w, b->h, AllPlanes, ZPixmap);
if (v->image == NULL) {
ast_log(LOG_WARNING, "error creating Ximage\n");
goto error;
}
switch (im->bits_per_pixel) {
case 32:
b->pix_fmt = PIX_FMT_RGBA32;
break;
case 16:
b->pix_fmt = (im->green_mask == 0x7e0) ? PIX_FMT_RGB565 : PIX_FMT_RGB555;
break;
}
ast_log(LOG_NOTICE, "image: data %p %d bpp fmt %d, mask 0x%lx 0x%lx 0x%lx\n",
im->data,
im->bits_per_pixel,
b->pix_fmt,
im->red_mask, im->green_mask, im->blue_mask);
/* set the pointer but not the size as this is not malloc'ed */
b->data = (uint8_t *)im->data;
return v;
error:
return grab_x11_close(v);
}
struct ast_heap *ast_heap_create(unsigned int init_height, ast_heap_cmp_fn cmp_fn,
ssize_t index_offset)
#endif
{
struct ast_heap *h;
if (!cmp_fn) {
ast_log(LOG_ERROR, "A comparison function must be provided\n");
return NULL;
}
if (!init_height) {
init_height = 8;
}
if (!(h =
#ifdef MALLOC_DEBUG
__ast_calloc(1, sizeof(*h), file, lineno, func)
#else
ast_calloc(1, sizeof(*h))
#endif
)) {
return NULL;
}
h->cmp_fn = cmp_fn;
h->index_offset = index_offset;
h->avail_len = (1 << init_height) - 1;
if (!(h->heap =
#ifdef MALLOC_DEBUG
__ast_calloc(1, h->avail_len * sizeof(void *), file, lineno, func)
#else
ast_calloc(1, h->avail_len * sizeof(void *))
#endif
)) {
ast_free(h);
return NULL;
}
ast_rwlock_init(&h->lock);
return h;
}
int tdd_feed(struct tdd_state *tdd, unsigned char *ubuf, int len)
{
int mylen = len;
int olen;
int b = 'X';
int res;
int c,x;
short *buf = ast_calloc(1, 2 * len + tdd->oldlen);
short *obuf = buf;
if (!buf) {
ast_log(LOG_WARNING, "Out of memory\n");
return -1;
}
memcpy(buf, tdd->oldstuff, tdd->oldlen);
mylen += tdd->oldlen / 2;
for (x = 0; x < len; x++)
buf[x + tdd->oldlen / 2] = AST_MULAW(ubuf[x]);
c = res = 0;
while (mylen >= 1320) { /* has to have enough to work on */
olen = mylen;
res = fsk_serial(&tdd->fskd, buf, &mylen, &b);
if (mylen < 0) {
ast_log(LOG_ERROR, "fsk_serial made mylen < 0 (%d) (olen was %d)\n", mylen, olen);
ast_free(obuf);
return -1;
}
buf += (olen - mylen);
if (res < 0) {
ast_log(LOG_NOTICE, "fsk_serial failed\n");
ast_free(obuf);
return -1;
}
if (res == 1) {
/* Ignore invalid bytes */
if (b > 0x7f)
continue;
c = tdd_decode_baudot(tdd, b);
if ((c < 1) || (c > 126))
continue; /* if not valid */
break;
}
}
if (mylen) {
memcpy(tdd->oldstuff, buf, mylen * 2);
tdd->oldlen = mylen * 2;
} else
tdd->oldlen = 0;
ast_free(obuf);
if (res) {
tdd->mode = 2;
/* put it in mode where it
reliably puts teleprinter in correct shift mode */
return(c);
}
return 0;
}
struct varshead *ast_var_list_create(void)
{
struct varshead *head;
head = ast_calloc(1, sizeof(*head));
if (!head) {
return NULL;
}
AST_LIST_HEAD_INIT_NOLOCK(head);
return head;
}
static struct playlist_entry *make_entry(const char *filename)
{
struct playlist_entry *entry;
if (!(entry = ast_calloc(1, sizeof(*entry) + strlen(filename) + 10))) /* XXX why 10 ? */
return NULL;
strcpy(entry->filename, filename);
return entry;
}