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StringBuffer.cpp
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StringBuffer.cpp
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/*
* © 2022 Chris Harlow
* All rights reserved.
*
* This file is part of DCC-EX CommandStation-EX
*
* This is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* It is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
*/
#include "StringBuffer.h"
#include "DIAG.h"
StringBuffer::StringBuffer() {
flush();
};
char * StringBuffer::getString() {
return _buffer;
}
void StringBuffer::flush() {
_pos_write=0;
_buffer[0]='\0';
}
size_t StringBuffer::write(uint8_t b) {
if (_pos_write>=buffer_max) return 0;
_buffer[_pos_write] = b;
++_pos_write;
_buffer[_pos_write]='\0';
return 1;
}