/* MessageServer_Release_x64.exe sha256 7911b15c4379625eaa12ff227708aa3a033bc6ac2cf6b34283136e3a62df25f1
 * Ghidra 12.1.2 decompiler output for 0x140063f80 FUN_140063f80
 * Pseudocode, not original source. */

void FUN_140063f80(longlong param_1,int param_2,undefined8 param_3,longlong param_4)

{
  longlong *plVar1;
  LPVOID pvVar2;
  int iVar3;
  undefined8 uVar4;
  undefined4 *puVar5;
  undefined4 *puVar6;
  int iVar7;
  longlong lVar8;
  exception local_58 [80];
  
  if (param_2 < 0) {
                    /* WARNING: Subroutine does not return */
    FUN_14006be00();
  }
  if (param_2 != *(int *)(param_1 + 0x18)) {
    if (*(int *)(param_1 + 0x1c) < param_2) {
      iVar3 = FUN_140008d50(param_1,param_2);
      plVar1 = *(longlong **)(param_1 + 8);
      lVar8 = (longlong)iVar3;
      if (*(int *)(param_1 + 0x1c) == 0) {
        if (plVar1 == (longlong *)0x0) {
          uVar4 = FUN_14006cbf0(lVar8 << 2);
          *(undefined8 *)(param_1 + 0x10) = uVar4;
        }
        else {
          uVar4 = (**(code **)(*plVar1 + 8))(plVar1,lVar8 << 2);
          *(undefined8 *)(param_1 + 0x10) = uVar4;
        }
      }
      else {
        pvVar2 = *(LPVOID *)(param_1 + 0x10);
        if (plVar1 == (longlong *)0x0) {
          puVar5 = (undefined4 *)FUN_14006cbf0(lVar8 << 2);
        }
        else {
          puVar5 = (undefined4 *)(**(code **)(*plVar1 + 8))();
        }
        lVar8 = (longlong)*(int *)(param_1 + 0x18);
        iVar7 = 0;
        if (0 < lVar8) {
          param_4 = (longlong)pvVar2 - (longlong)puVar5;
          puVar6 = puVar5;
          do {
            if (puVar6 != (undefined4 *)0x0) {
              *puVar6 = *(undefined4 *)(param_4 + (longlong)puVar6);
            }
            iVar7 = iVar7 + 1;
            puVar6 = puVar6 + 1;
          } while (iVar7 < lVar8);
        }
        if (puVar5 == (undefined4 *)0x0) {
          FUN_14006ba50(local_58,L"Memory allocation failure!",lVar8,param_4);
                    /* WARNING: Subroutine does not return */
          _CxxThrowException(local_58,(ThrowInfo *)&DAT_1401a93e8);
        }
        plVar1 = *(longlong **)(param_1 + 8);
        if (plVar1 == (longlong *)0x0) {
          FUN_14006cc60(pvVar2);
        }
        else {
          (**(code **)(*plVar1 + 0x18))(plVar1,pvVar2);
        }
        *(undefined4 **)(param_1 + 0x10) = puVar5;
      }
      *(int *)(param_1 + 0x1c) = iVar3;
    }
    *(int *)(param_1 + 0x18) = param_2;
  }
  return;
}