/*
 * Copyright 2010, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */


#include <extended_system_info.h>
#include <extended_system_info_defs.h>

#include <syscalls.h>
#include <AutoDeleter.h>

#include <util/KMessage.h>


namespace BPrivate {


status_t
get_extended_team_info(team_id teamID, uint32 flags, KMessage& info)
{
        // initial buffer size
        size_t bufferSize = 4096;
                // TODO: Pick it depending on the set flags.

        while (true) {
                // allocate the buffer
                void* buffer = malloc(bufferSize);
                if (buffer == NULL)
                        return B_NO_MEMORY;
                MemoryDeleter bufferDeleter(buffer);

                // get the info
                size_t sizeNeeded;
                status_t error = _kern_get_extended_team_info(teamID, flags, buffer,
                        bufferSize, &sizeNeeded);
                if (error == B_OK) {
                        return info.SetTo((const void*)buffer, sizeNeeded,
                                KMessage::KMESSAGE_CLONE_BUFFER);
                                // TODO: Just transfer our buffer, if it isn't much larger.
                }

                if (error != B_BUFFER_OVERFLOW)
                        return error;

                // The buffer was too small. Try again with a larger one.
                bufferSize = (sizeNeeded + 1023) / 1024 * 1024;
        }
}


}       // namespace BPrivate