| | |
|---|
| | | overflow(); |
|---|
| | | |
|---|
| | | off_type count=egptr()-eback(); |
|---|
| | | pos_type next_pos; |
|---|
| | | pos_type next_pos=0; |
|---|
| | | if(count==0 && eback()==m_inbuf.data()) |
|---|
| | | { |
|---|
| | | setg(m_inbuf.data(), m_inbuf.data(), m_inbuf.data()+m_inbuf.size()); |
|---|
| | |
|---|
| | | return traits_type::eof(); |
|---|
| | | |
|---|
| | | count=std::min(count, m_size-next_pos); |
|---|
| | | if(sqlite3_blob_read(m_blob, eback(), count, next_pos)!=SQLITE_OK) |
|---|
| | | m_inpos = next_pos; |
|---|
| | | if(sqlite3_blob_read(m_blob, eback(), count, m_inpos)!=SQLITE_OK) |
|---|
| | | return traits_type::eof(); |
|---|
| | | m_inpos=next_pos; |
|---|
| | | setg(eback(), eback(), eback()+count); |
|---|
| | | return traits_type::to_int_type(*gptr()); |
|---|
| | | } |
|---|
| | |
|---|
| | | { |
|---|
| | | case std::ios_base::beg: |
|---|
| | | result=off; |
|---|
| | | break; |
|---|
| | | case std::ios_base::cur: |
|---|
| | | result=position+off; |
|---|
| | | break; |
|---|
| | | case std::ios_base::end: |
|---|
| | | result=m_size-off; |
|---|
| | | break; |
|---|
| | | } |
|---|
| | | if(result>m_size) |
|---|
| | | result=m_size; |
|---|
