static void
testbitnot(void *data)
{
struct testdata *test;
uint8_t *buf;
test = data;
buf = (uint8_t *)malloc(test->capa);
/* different pointers */
memcpy(buf, test->bytes1, test->capa);
bitnot(buf, test->expos, test->bytes1, test->pos1, test->size);
testassert(biteq(buf, 0, test->expected, 0, test->capa * 8),
"failed to write notd bits to a different pointer");
/* same pointer */
memcpy(buf, test->bytes1, test->capa);
bitnot(buf, test->expos, buf, test->pos1, test->size);
testassert(biteq(buf, 0, test->expected, 0, test->capa * 8),
"failed to write notd bits to the pointer");
free(buf);
}
//-----------------------------------------------------------------------------
// 將所有旗標反向
bool C_FlagCtrl::Flip()
{
if(m_pData == nullptr)
return false;
unsigned long uiPage = m_ulSize / 8;
unsigned long uiBits = m_ulSize % 8;
char *pData = (char *)m_pData;
for(unsigned long i = 0; i < uiPage; ++i, ++pData)
*pData = ~(*pData);
*pData = bitnot(*pData, static_cast<unsigned char>(uiBits));
return true;
}
