82 lines
1.3 KiB
C++
82 lines
1.3 KiB
C++
#include <string.h>
|
|
#include <malloc.h>
|
|
#include "sm_memtable.h"
|
|
|
|
BaseMemTable::BaseMemTable(unsigned int init_size)
|
|
{
|
|
membase = (unsigned char *)malloc(init_size);
|
|
size = init_size;
|
|
tail = 0;
|
|
}
|
|
|
|
BaseMemTable::~BaseMemTable()
|
|
{
|
|
free(membase);
|
|
membase = NULL;
|
|
}
|
|
|
|
int BaseMemTable::CreateMem(unsigned int addsize, void **addr)
|
|
{
|
|
int idx = (int)tail;
|
|
|
|
while (tail + addsize >= size)
|
|
{
|
|
size *= 2;
|
|
membase = (unsigned char *)realloc(membase, size);
|
|
}
|
|
|
|
tail += addsize;
|
|
|
|
if (addr)
|
|
{
|
|
*addr = (void *)&membase[idx];
|
|
}
|
|
|
|
return idx;
|
|
}
|
|
|
|
void *BaseMemTable::GetAddress(int index)
|
|
{
|
|
if (index < 0 || (unsigned int)index >= tail)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
return &membase[index];
|
|
}
|
|
|
|
void BaseMemTable::Reset()
|
|
{
|
|
tail = 0;
|
|
}
|
|
|
|
BaseStringTable::BaseStringTable(unsigned int init_size) : m_table(init_size)
|
|
{
|
|
}
|
|
|
|
BaseStringTable::~BaseStringTable()
|
|
{
|
|
}
|
|
|
|
int BaseStringTable::AddString(const char *string)
|
|
{
|
|
size_t len = strlen(string) + 1;
|
|
int idx;
|
|
char *addr;
|
|
|
|
idx = m_table.CreateMem(len, (void **)&addr);
|
|
strcpy(addr, string);
|
|
|
|
return idx;
|
|
}
|
|
|
|
/*const char *BaseStringTable::GetString(int str)
|
|
{
|
|
return (const char *)m_table.GetAddress(str);
|
|
}*/
|
|
|
|
void BaseStringTable::Reset()
|
|
{
|
|
m_table.Reset();
|
|
}
|