/**
* xfce_get_homedir:
*
* Similar to g_get_homedir() in functionality but will never return NULL.
* While g_get_homedir() may return NULL under certain circumstances, this
* function is garantied to never ever return NULL, but always return a
* valid character pointer with the absolute path to the user's home directory.
*
* The returned string is owned by libxfce4util and must not be freed by
* the caller.
*
* Return value: the path to the current user's home directory.
**/
const gchar*
xfce_get_homedir (void)
{
G_LOCK (_lock);
if (!xfce_homedir)
internal_initialize ();
G_UNLOCK (_lock);
return xfce_homedir;
}
bool AbstractAudioSource::initialize( uint32_t frequency )
{
std::lock_guard<std::recursive_mutex> lock( m_mutex );
m_frequency = frequency;
bool res = internal_initialize( frequency );
if( res ) {
m_frequency = frequency;
m_initialized = true;
}
else {
m_frequency = 0;
m_initialized = false;
}
return res;
}
/**
* xfce_get_userdir:
*
* Safe way to retrieve the path to the user's ".xfce4" directory. The path
* to the current user's ".xfce4" directory is either taken from the
* environment variable XFCE4HOME if defined, or if unset, is gained by
* concatenating the path to the user's home directory and the ".xfce4".
* That says, it will, by default, return the path "$HOME/.xfce4", where
* $HOME is replaced with the absolute path to the user's home directory.
*
* The returned string is managed by libxfce4util and must not be freed by
* the caller.
*
* Return value: the path to the current user's ".xfce4" directory.
*/
const gchar*
xfce_get_userdir (void)
{
G_LOCK(_lock);
if (!xfce_userdir)
{
internal_initialize();
/* verify that the directory exists or is created */
if (!g_file_test (xfce_userdir, G_FILE_TEST_IS_DIR))
xfce_mkdirhier (xfce_userdir, 0700, NULL);
}
G_UNLOCK(_lock);
return xfce_userdir;
}
long eprom24x_core::initialize(EPROM24x_DEVICE eprom_device,
uint8_t i2c_address,
const char *i2c_dev)
{
try {
MUTEX_LOCK(m_init_mutex);
// Check if already initialized
if (m_initialized) {
THROW_RXP(EPROM24x_INTERNAL_ERROR, EPROM24x_ALREADY_INITIALIZED,
"Already initialized");
}
// Check input values
if (!i2c_dev) {
THROW_RXP(EPROM24x_INTERNAL_ERROR, EPROM24x_BAD_ARGUMENT,
"i2c_dev is null pointer");
}
// Do the actual initialization
internal_initialize(eprom_device, i2c_address, i2c_dev);
// Initialization completed
m_initialized = true;
MUTEX_UNLOCK(m_init_mutex);
return EPROM24x_SUCCESS;
}
catch (eprom24x_exception &rxp) {
MUTEX_UNLOCK(m_init_mutex);
return set_error(rxp);
}
catch (...) {
MUTEX_UNLOCK(m_init_mutex);
return set_error(RXP(EPROM24x_INTERNAL_ERROR, EPROM24x_UNEXPECTED_EXCEPTION, NULL));
}
}