/* 7zBuf.c -- Byte Buffer

2017-04-03 : Igor Pavlov : Public domain */

#include "Precomp.h"

#include "7zBuf.h"

void Buf_Init(CBuf *p)

{

  p->data = 0;

  p->size = 0;

}

int Buf_Create(CBuf *p, size_t size, ISzAllocPtr alloc)

{

  p->size = 0;

  if (size == 0)

  {

    p->data = 0;

    return 1;

  }

  p->data = (Byte *)ISzAlloc_Alloc(alloc, size);

  if (p->data)

  {

    p->size = size;

    return 1;

  }

  return 0;

}

void Buf_Free(CBuf *p, ISzAllocPtr alloc)

{

  ISzAlloc_Free(alloc, p->data);

  p->data = 0;

  p->size = 0;

}