Method Write

Kernel/src/characterbuffer.cpp:15–46

}

size_t CharacterBuffer::Write(char* _buffer, size_t size){
    acquireLock(&(this->lock));

    if((bufferPos + size) > bufferSize) {
        char* oldBuf = buffer;
        buffer = (char*)kmalloc(bufferPos + size + 128);
        memcpy(buffer, oldBuf, bufferSize);
        bufferSize = bufferPos + size + 128;
        kfree(oldBuf);
    }

    size_t written = 0;

    for(unsigned i = 0; i < size; i++){
        if(_buffer[i] == '\b' /*Backspace*/ && !ignoreBackspace){
            if(bufferPos > 0) {
                bufferPos--;
                written++;
            }
            continue;
        } else {
            buffer[bufferPos++] = _buffer[i];
            written++;
        }

        if(_buffer[i] == '\n' || _buffer[i] == '\0') lines++;
    }

    releaseLock(&(this->lock));

    return written;
}

size_t CharacterBuffer::Read(char* _buffer, size_t count){
    acquireLock(&(this->lock));