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Reduce the number of write()

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This commit is contained in:
Baptiste Wicht 2014-03-13 22:35:31 +01:00
parent 7af924f154
commit 5993ad3504
1 changed files with 6 additions and 2 deletions
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8
kernel/src/logging.cpp
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@ -26,6 +26,8 @@ const char* early_logs[MAX_EARLY];
const char* new_line = "\n"; const char* new_line = "\n";
std::string buffer;
void append_to_file(const char* s, size_t length){ void append_to_file(const char* s, size_t length){
auto fd = vfs::open("/messages", std::OPEN_CREATE); auto fd = vfs::open("/messages", std::OPEN_CREATE);
@ -33,8 +35,10 @@ void append_to_file(const char* s, size_t length){
stat_info info; stat_info info;
if(vfs::stat(fd, info) == 0){ if(vfs::stat(fd, info) == 0){
if(vfs::truncate(fd, info.size + length + 1) == 0){ if(vfs::truncate(fd, info.size + length + 1) == 0){
vfs::write(fd, s, length, info.size); buffer = s;
vfs::write(fd, new_line, 1, info.size + length); buffer += '\n';
vfs::write(fd, buffer.c_str(), buffer.size(), info.size);
} }
} }