67 lines
1.4 KiB
C++
67 lines
1.4 KiB
C++
#include "memblock.h"
|
|
#include <bfc/bfc_assert.h>
|
|
|
|
#ifdef _DEBUG
|
|
int memblocks_totalsize=0;
|
|
#endif
|
|
|
|
VoidMemBlock::VoidMemBlock(int _size, const void *data) {
|
|
mem = NULL;
|
|
size = 0;
|
|
setSize(_size);
|
|
if (data != NULL && size > 0) MEMCPY(mem, data, size);
|
|
}
|
|
|
|
VoidMemBlock::~VoidMemBlock() {
|
|
#ifdef _DEBUG
|
|
memblocks_totalsize -= size;
|
|
#endif
|
|
FREE(mem);
|
|
}
|
|
|
|
void *VoidMemBlock::setSize(int newsize) {
|
|
#ifdef _DEBUG
|
|
memblocks_totalsize -= size;
|
|
#endif
|
|
ASSERT(newsize >= 0);
|
|
if (newsize < 0) newsize = 0;
|
|
if (newsize == 0) {
|
|
FREE(mem);
|
|
mem = NULL;
|
|
} else if (size != newsize) {
|
|
mem = REALLOC(mem, newsize);
|
|
}
|
|
size = newsize;
|
|
#ifdef _DEBUG
|
|
memblocks_totalsize += size;
|
|
#endif
|
|
return getMemory();
|
|
}
|
|
|
|
void *VoidMemBlock::setMinimumSize(int newminsize, int increment) {
|
|
if (newminsize > size) setSize(newminsize+increment);
|
|
return getMemory();
|
|
}
|
|
|
|
void VoidMemBlock::setMemory(const void *data, int datalen, int offsetby) {
|
|
if (datalen <= 0) return;
|
|
ASSERT(mem != NULL);
|
|
ASSERT(offsetby >= 0);
|
|
char *ptr = reinterpret_cast<char *>(mem);
|
|
ASSERT(ptr + offsetby + datalen <= ptr + size);
|
|
MEMCPY(ptr + offsetby, data, datalen);
|
|
}
|
|
|
|
int VoidMemBlock::getSize() const {
|
|
return size;
|
|
}
|
|
|
|
int VoidMemBlock::isMine(void *ptr) {
|
|
return (ptr >= mem && ptr < (char*)mem + size);
|
|
}
|
|
|
|
void VoidMemBlock::zeroMemory() {
|
|
if (mem == NULL || size < 1) return;
|
|
MEMZERO(mem, size);
|
|
}
|