Fix empty line logging.

This commit is contained in:
Ben Vanik 2015-09-06 13:34:19 -07:00
parent 790ce8aee1
commit 0133bec11d
1 changed files with 18 additions and 14 deletions

View File

@ -126,23 +126,27 @@ class Logger {
std::snprintf(prefix + 3, sizeof(prefix) - 3, "%08" PRIX32 " ",
line.thread_id);
fwrite(prefix, 1, sizeof(prefix) - 1, file_);
// Get access to the line data - which may be split in the ring buffer -
// and write it out in parts.
auto line_range = ring_buffer_.BeginRead(line.buffer_length);
fwrite(line_range.first, 1, line_range.first_length, file_);
if (line_range.second_length) {
fwrite(line_range.second, 1, line_range.second_length, file_);
}
// Always ensure there is a newline.
char last_char = line_range.second
? line_range.second[line_range.second_length - 1]
: line_range.first[line_range.first_length - 1];
if (last_char != '\n') {
if (line.buffer_length) {
// Get access to the line data - which may be split in the ring buffer
// - and write it out in parts.
auto line_range = ring_buffer_.BeginRead(line.buffer_length);
fwrite(line_range.first, 1, line_range.first_length, file_);
if (line_range.second_length) {
fwrite(line_range.second, 1, line_range.second_length, file_);
}
// Always ensure there is a newline.
char last_char = line_range.second
? line_range.second[line_range.second_length - 1]
: line_range.first[line_range.first_length - 1];
if (last_char != '\n') {
const char suffix[1] = {'\n'};
fwrite(suffix, 1, sizeof(suffix), file_);
}
ring_buffer_.EndRead(std::move(line_range));
} else {
const char suffix[1] = {'\n'};
fwrite(suffix, 1, sizeof(suffix), file_);
}
ring_buffer_.EndRead(std::move(line_range));
}
mutex_.unlock();
if (did_write) {