/* DBCServer_Release_x64.exe sha256 d9e4fccdf3482e50247686d4452c0b13c75a53efc4bd7320668eece8d1ce828c
 * Ghidra 12.1.2 decompiler output for 0x14020ff60 FUN_14020ff60
 * Pseudocode, not original source. */

undefined8 FUN_14020ff60(undefined1 *param_1,uint param_2,undefined1 *param_3,uint *param_4)

{
  undefined1 uVar1;
  undefined1 uVar2;
  undefined8 uVar3;
  longlong lVar4;
  ulonglong uVar5;
  uint uVar6;
  undefined1 *puVar7;
  uint local_res8 [2];
  
  uVar5 = (ulonglong)param_2;
  if (((param_1 != (undefined1 *)0x0) && (param_3 != (undefined1 *)0x0)) && (param_4 != (uint *)0x0)
     ) {
    uVar3 = FUN_14020d940(param_1,uVar5,local_res8);
    if ((int)uVar3 == 0) {
      if (*param_4 < local_res8[0]) {
        *param_4 = local_res8[0];
        return 6;
      }
      *param_3 = 0x16;
      uVar2 = (undefined1)param_2;
      if (param_2 < 0x80) {
        param_3[1] = uVar2;
        uVar6 = 2;
      }
      else if (param_2 < 0x100) {
        param_3[1] = 0x81;
        uVar6 = 3;
        param_3[2] = uVar2;
      }
      else {
        uVar1 = (undefined1)(param_2 >> 8);
        if (param_2 < 0x10000) {
          param_3[1] = 0x82;
          uVar6 = 4;
          param_3[2] = uVar1;
          param_3[3] = uVar2;
        }
        else {
          if (0xffffff < param_2) {
            return 0x10;
          }
          param_3[1] = 0x83;
          uVar6 = 5;
          param_3[2] = (char)(param_2 >> 0x10);
          param_3[3] = uVar1;
          param_3[4] = uVar2;
        }
      }
      lVar4 = (longlong)(int)uVar6;
      if (param_2 != 0) {
        uVar6 = uVar6 + param_2;
        puVar7 = param_3 + lVar4;
        do {
          uVar2 = FUN_14020d8d0(*param_1);
          param_1 = param_1 + 1;
          uVar5 = uVar5 - 1;
          *puVar7 = uVar2;
          puVar7 = puVar7 + 1;
        } while (uVar5 != 0);
      }
      *param_4 = uVar6;
      uVar3 = 0;
    }
    return uVar3;
  }
  return 0x10;
}