/* MessageServer_Release_x64.exe sha256 7911b15c4379625eaa12ff227708aa3a033bc6ac2cf6b34283136e3a62df25f1
 * Ghidra 12.1.2 decompiler output for 0x140063e90 FUN_140063e90
 * Pseudocode, not original source. */

void FUN_140063e90(longlong param_1,int param_2,longlong param_3,longlong param_4)

{
  undefined4 *puVar1;
  longlong lVar2;
  longlong lVar3;
  int iVar4;
  longlong lVar5;
  int iVar6;
  longlong lVar7;
  longlong lVar8;
  longlong lVar9;
  
  iVar6 = (int)param_4;
  lVar9 = (longlong)iVar6;
  lVar7 = (longlong)param_2;
  if (((-1 < iVar6) && (-1 < param_2)) && (param_2 <= *(int *)(param_1 + 0x18))) {
    iVar4 = *(int *)(param_1 + 0x18);
    FUN_140063f80(param_1,iVar4 + iVar6,param_3,param_4);
    iVar4 = iVar4 - param_2;
    if ((0 < iVar4) && (iVar4 = iVar4 + -1, lVar5 = (longlong)iVar4, -1 < iVar4)) {
      lVar8 = (lVar9 + lVar7 + lVar5) * 4;
      do {
        lVar2 = FUN_140008250(param_1);
        lVar3 = FUN_140008250(param_1);
        *(undefined4 *)(lVar3 + lVar8) = *(undefined4 *)(lVar2 + lVar9 * -4 + lVar8);
        lVar8 = lVar8 + -4;
        lVar5 = lVar5 + -1;
      } while (-1 < lVar5);
    }
    if (0 < iVar6) {
      lVar5 = lVar7 * 4;
      do {
        lVar8 = FUN_140008250(param_1);
        puVar1 = (undefined4 *)(lVar5 + param_3 + lVar7 * -4);
        lVar5 = lVar5 + 4;
        lVar9 = lVar9 + -1;
        *(undefined4 *)(lVar8 + -4 + lVar5) = *puVar1;
      } while (lVar9 != 0);
    }
    return;
  }
                    /* WARNING: Subroutine does not return */
  FUN_14006be00();
}