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LogFile pass references to reduce code size a bit.

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Apparently the compiler isn't optimizing away copies in places I thought it would.
This commit is contained in:
Jared Boone 2015-12-03 14:08:06 -08:00
parent bb3cb6f080
commit 0cad2847f8
2 changed files with 6 additions and 6 deletions
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6
firmware/application/log_file.cpp
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@ -30,7 +30,7 @@ LogFile::~LogFile() {
close();
}
bool LogFile::open_for_append(const std::string file_path) {
bool LogFile::open_for_append(const std::string& file_path) {
const auto open_result = f_open(&f, file_path.c_str(), FA_WRITE | FA_OPEN_ALWAYS);
if( open_result == FR_OK ) {
const auto seek_result = f_lseek(&f, f_size(&f));
@ -53,7 +53,7 @@ bool LogFile::is_ready() {
return !f_error(&f);
}
bool LogFile::write_entry(const rtc::RTC& datetime, const std::string entry) {
bool LogFile::write_entry(const rtc::RTC& datetime, const std::string& entry) {
std::string timestamp =
to_string_dec_uint(datetime.year(), 4, '0') +
to_string_dec_uint(datetime.month(), 2, '0') +
@ -65,7 +65,7 @@ bool LogFile::write_entry(const rtc::RTC& datetime, const std::string entry) {
return write(timestamp + " " + entry + "\r\n");
}
bool LogFile::write(const std::string message) {
bool LogFile::write(const std::string& message) {
const auto puts_result = f_puts(message.c_str(), &f);
const auto sync_result = f_sync(&f);
return (puts_result >= 0) && (sync_result == FR_OK);