static int add_codes_with_length(TreeBuildData *build,
uint8_t *code_lengths,
unsigned int num_code_lengths,
unsigned int code_len)
{
unsigned int i;
unsigned int node;
int codes_remaining;
codes_remaining = 0;
for (i = 0; i < num_code_lengths; ++i) {
// Does this code belong at this depth in the tree?
if (code_lengths[i] == code_len) {
node = read_next_entry(build);
build->tree[node] = (TreeElement) i | TREE_NODE_LEAF;
}
// More work to be done after this pass?
else if (code_lengths[i] > code_len) {
codes_remaining = 1;
}
}
return codes_remaining;
}
static void read_file(FILE *in, unsigned char *attributes)
{
struct entry entry[1];
while(read_next_entry(in, entry) == 0) {
store_attributes(entry, attributes);
}
}
bool
compressed_file_reader_t::init()
{
at_eof = false;
if (file == NULL)
return false;
trace_entry_t *first_entry = read_next_entry();
if (first_entry == NULL)
return false;
if (first_entry->type != TRACE_TYPE_HEADER ||
first_entry->addr != TRACE_ENTRY_VERSION) {
ERRMSG("missing header or version mismatch\n");
return false;
}
++*this;
return true;
}
