void FUN_004865c0(int param_1,int *param_2)

{

  bool bVar1;

  undefined4 uVar2;

  int iVar3;

  undefined4 *puVar4;

  int iVar5;

  int iVar6;

  undefined4 *puVar7;

  int iVar8;

  int iVar9;

  int iVar10;

  int iVar11;

  iVar6 = param_2[8];

  iVar10 = param_2[9];

  iVar11 = *param_2;

  while ((iVar10 < iVar11 && (iVar8 = iVar11 - iVar10, iVar6 < iVar10))) {

    iVar9 = iVar10 - iVar6;

    iVar5 = 0;

    iVar3 = 0;

    if (iVar9 < iVar8) {

      while( true ) {

        puVar7 = (undefined4 *)(param_1 + (iVar5 + iVar6) * 4);

        bVar1 = iVar9 <= iVar5;

        puVar4 = (undefined4 *)(param_1 + (((iVar6 + iVar11) - iVar10) + iVar5) * 4);

        iVar5 = iVar5 + 1;

        if (bVar1) break;

        uVar2 = *puVar7;

        *puVar7 = *puVar4;

        *puVar4 = uVar2;

      }

      iVar11 = iVar11 - iVar9;

    }

    else {

      while( true ) {

        puVar7 = (undefined4 *)(param_1 + (iVar3 + iVar6) * 4);

        bVar1 = iVar8 <= iVar3;

        puVar4 = (undefined4 *)(param_1 + (iVar3 + iVar10) * 4);

        iVar3 = iVar3 + 1;

        if (bVar1) break;

        uVar2 = *puVar7;

        *puVar7 = *puVar4;

        *puVar4 = uVar2;

      }

      iVar6 = iVar6 + iVar8;

    }

  }

  iVar6 = param_2[9];

  param_2[9] = *param_2;

  param_2[8] = (*param_2 + param_2[8]) - iVar6;

  return;

}