diff options
Diffstat (limited to 'src/Buffer.cpp')
-rw-r--r-- | src/Buffer.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/Buffer.cpp b/src/Buffer.cpp new file mode 100644 index 0000000..cef4ad5 --- /dev/null +++ b/src/Buffer.cpp @@ -0,0 +1,108 @@ +/* + Copyright (C) 2011 + Her Majesty the Queen in Right of Canada (Communications Research + Center Canada) + */ +/* + This file is part of CRC-DADMOD. + + CRC-DADMOD 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. + + CRC-DADMOD 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 CRC-DADMOD. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "Buffer.h" +#include "PcDebug.h" + +#include <stdlib.h> +#include <string.h> +#include <malloc.h> +#ifdef HAVE_DECL__MM_MALLOC +# include <mm_malloc.h> +#else +# define memalign(a, b) malloc(b) +#endif + + + +Buffer::Buffer(size_t len, const void *data) +{ + PDEBUG("Buffer::Buffer(%zu, %p)\n", len, data); + + this->len = 0; + this->size = 0; + this->data = NULL; + setData(data, len); +} + + +Buffer::~Buffer() +{ + free(data); +} + + +Buffer &Buffer::operator=(const Buffer ©) +{ + setData(copy.data, copy.len); + return *this; +} + + +Buffer &Buffer::operator+=(const Buffer ©) +{ + appendData(copy.data, copy.len); + return *this; +} + + +void Buffer::setLength(size_t len) +{ + if (len > size) { + void *tmp = data; + //data = _mm_malloc(len, 16); + data = memalign(16, len); + memcpy(data, tmp, this->len); + free(tmp); + size = len; + } + this->len = len; +} + + +void Buffer::setData(const void *data, size_t len) +{ + setLength(0); + appendData(data, len); +} + + +void Buffer::appendData(const void *data, size_t len) +{ + size_t offset = this->len; + setLength(this->len + len); + if (data != NULL) { + memcpy((char*)this->data + offset, data, len); + } +} + + +size_t Buffer::getLength() +{ + return len; +} + + +void *Buffer::getData() +{ + return data; +} |