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rewrite Iterator::WriteU8

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This commit is contained in:
Mathieu Lacage
2007-09-07 19:22:20 +02:00
parent 39cb30a4be
commit bd1adba17e
1 changed files with 28 additions and 6 deletions
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34
src/common/buffer.cc
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@@ -227,6 +227,7 @@ Buffer::End (void) const
Buffer::Iterator::Iterator ()
: m_zeroStart (0),
m_zeroEnd (0),
m_dataStart (0),
m_dataEnd (0),
m_current (0),
m_data (0)
@@ -299,7 +300,7 @@ Buffer::Iterator::IsEnd (void) const
bool
Buffer::Iterator::IsStart (void) const
{
return m_current == 0;
return m_current == m_dataStart;
}
uint32_t
@@ -342,15 +343,36 @@ Buffer::Iterator::Write (Iterator start, Iterator end)
void
Buffer::Iterator::WriteU8 (uint8_t data, uint32_t len)
{
uint8_t *current = m_data + GetIndex (len);
memset (current, data, len);
m_current += len;
for (uint32_t i = 0; i < len; i++)
{
WriteU8 (data);
}
}
void
Buffer::Iterator::WriteU8 (uint8_t data)
{
m_data[GetIndex (1)] = data;
m_current++;
if (m_current < m_dataStart)
{
// XXX trying to write outside of data area
}
else if (m_current < m_zeroStart)
{
m_data[m_current] = data;
m_current++;
}
else if (m_current < m_zeroEnd)
{
// XXX trying to write in zero area
}
else if (m_current < m_dataEnd)
{
m_data[m_current - (m_zeroEnd-m_zeroStart)] = data;
m_current++;
}
else
{
// XXX trying to write outside of data area
}
}
void
Buffer::Iterator::WriteU16 (uint16_t data)