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Write out stxxl vector for names correctly

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This commit is contained in:
rparanjpe 2015-12-11 15:18:55 -08:00
parent 00ed526fb0
commit 4bf1ad2566
1 changed files with 18 additions and 1 deletions
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19
extractor/extraction_containers.cpp
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@ -51,6 +51,8 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <chrono>
#include <limits>
static const int WRITE_BLOCK_BUFFER_SIZE = 8000;
ExtractionContainers::ExtractionContainers()
{
// Check if stxxl can be instantiated
@ -130,8 +132,23 @@ void ExtractionContainers::WriteNames(const std::string& names_file_name) const
name_file_stream.write((char *)&total_length, sizeof(unsigned));
// write all chars consecutively
name_file_stream.write((const char *)&name_char_data[0], name_char_data.size());
char write_buffer[WRITE_BLOCK_BUFFER_SIZE];
unsigned buffer_len = 0;
for (const char &c : name_char_data)
{
write_buffer[buffer_len++] = c;
if (buffer_len >= WRITE_BLOCK_BUFFER_SIZE)
{
name_file_stream.write(write_buffer, WRITE_BLOCK_BUFFER_SIZE);
buffer_len = 0;
}
}
name_file_stream.write(write_buffer, buffer_len);
name_file_stream.close();
TIMER_STOP(write_name_index);