void * super_block_t::new_block(size_t count)
{
if (avail_space() == 0)
{
throw std::runtime_error("out of blocks");
}
if (count > get_block_size())
{
throw std::invalid_argument("incorrect block size");
}
void * result = header.avail;
header.avail = header.avail->next;
header.blocks_avail--;
return result;
}
// START FUNC DECL
int
open_file_in_dir(
char *cwd,
char *dir,
char *fname,
size_t filesize
)
// STOP FUNC DECL
{
int status = 0;
if ( cwd == NULL ) { go_BYE(-1); }
if ( dir == NULL ) { go_BYE(-1); }
if ( fname == NULL ) { go_BYE(-1); }
FILE *fp = NULL;
if ( filesize > 0 ) {
/* Check that there is space to write */
size_t space_available;
status = avail_space(dir, &space_available); cBYE(status);
if ( space_available <= filesize ) {
fprintf(stderr, "Space (%lld bytes) in directory [%s] not available \n",
(long long)filesize, dir);
go_BYE(-1);
}
}
/* Check that directory is accessible */
status = chdir(dir); cBYE(status);
if ( status != 0 ) {
fprintf(stderr, "Directory [%s] not accessible \n", dir);
go_BYE(-1);
}
// Create temp file
fp = fopen(fname, "wb");
return_if_fopen_failed(fp, fname, "wb");
fclose_if_non_null(fp);
// Get back to where you once belonged
status = chdir(cwd); cBYE(status);
BYE:
return(status);
}
std::unique_ptr<RenderQueue> BREW::CreateLabelDrawable( std::shared_ptr<const Label> label ) const {
const auto& font_name = GetProperty<std::string>( "FontName", label );
const auto& font = GetResourceManager().GetFont( font_name );
auto font_size = GetProperty<unsigned int>( "FontSize", label );
auto font_color = GetProperty<sf::Color>( "Color", label );
std::unique_ptr<RenderQueue> queue( new RenderQueue );
sf::Text vis_label( label->GetWrappedText(), *font, font_size );
vis_label.setColor( font_color );
if( !label->GetLineWrap() ) {
// Calculate alignment when word wrap is disabled.
sf::Vector2f avail_space( label->GetAllocation().width - label->GetRequisition().x, label->GetAllocation().height - label->GetRequisition().y );
sf::Vector2f position( avail_space.x * label->GetAlignment().x, avail_space.y * label->GetAlignment().y );
vis_label.setPosition( position.x, position.y );
}
queue->Add( Renderer::Get().CreateText( vis_label ) );
return queue;
}
// START FUNC DECL
int
open_temp_file(
char *fname,
size_t filesize
)
// STOP FUNC DECL
{
int status = 0;
char cwd[MAX_LEN_DIR_NAME+1];
int fd;
char *file_dir = NULL;
size_t space_available = 0;
char *data_dir = getenv("Q_DATA_DIR");
if ( data_dir == NULL ) { go_BYE(-1); }
zero_string(cwd, MAX_LEN_DIR_NAME+1);
getcwd(cwd, MAX_LEN_DIR_NAME);
if ( strlen(cwd) == 0 ) { go_BYE(-1); }
if ( ( filesize > 0 ) && ( g_write_to_temp_dir ) ) {
file_dir = getenv("Q_TEMP_DIR");
if ( file_dir == NULL ) {
file_dir = data_dir;
}
else {
/* Check that direcory is accessible */
status = chdir(file_dir);
if ( status != 0 ) {
fprintf(stderr, "temp dir [%s] not accessible \n", file_dir);
file_dir = data_dir;
}
else {
/* Check that there is space to write */
char *tempfs_root = getenv("Q_TEMPFS_ROOT");
if ( tempfs_root == NULL ) { go_BYE(-1); }
status = avail_space(tempfs_root, &space_available); cBYE(status);
if ( space_available <= filesize ) {
/* No space on temp dir. Use DATA_DIR instead */
file_dir = data_dir;
}
}
status = chdir(cwd);
}
}
else {
file_dir = data_dir;
}
// Some basic checks
if ( ( file_dir == NULL ) || ( *file_dir == '\0' ) ) { go_BYE(-1); }
status = chdir(file_dir);
if ( status != 0 ) {
fprintf(stderr, "Unable to cd to dir [%s] \n", file_dir);
go_BYE(-1);
}
// Create temp file
strcat(fname, "_tempf_XXXXXX");
fd = mkstemp(fname);
close(fd);
// Get back to where you once belonged
status = chdir(cwd); cBYE(status);
BYE:
return(status);
}