/* MessageServer_Release_x64.exe sha256 7911b15c4379625eaa12ff227708aa3a033bc6ac2cf6b34283136e3a62df25f1
 * Ghidra 12.1.2 decompiler output for 0x1400de670 FUN_1400de670
 * Pseudocode, not original source. */

void FUN_1400de670(longlong param_1,longlong param_2,SIZE_T param_3,undefined8 param_4)

{
  undefined1 uVar1;
  uint uVar2;
  longlong lVar3;
  undefined8 uVar4;
  int iVar5;
  undefined8 *_Dst;
  undefined8 *_Src;
  undefined8 *puVar6;
  ulonglong uVar7;
  ulonglong uVar8;
  ulonglong uVar9;
  ulonglong uVar10;
  ulonglong uVar11;
  ulonglong uVar12;
  ulonglong uVar13;
  exception local_78 [80];
  
  iVar5 = FUN_1400de5d0(param_1,param_2,param_3,param_4);
  FUN_1400146f0(param_2,iVar5,param_3);
  uVar7 = 0;
  if (*(longlong *)(param_1 + 0xc80) == 0) {
    FUN_14006ba50(local_78,(wchar_t *)PTR_u_ArrayWithExternalBuffer_is_unini_1401ad9a0,param_3,
                  param_4);
                    /* WARNING: Subroutine does not return */
    _CxxThrowException(local_78,(ThrowInfo *)&DAT_1401a93e8);
  }
  uVar13 = uVar7;
  if (*(int *)(param_2 + 0x18) != 0) {
    uVar13 = *(ulonglong *)(param_2 + 0x10);
  }
  iVar5 = *(int *)(param_1 + 0xc88);
  uVar8 = uVar7;
  uVar9 = uVar7;
  uVar10 = uVar7;
  if (0 < (longlong)iVar5) {
    do {
      lVar3 = *(longlong *)(param_1 + 0xc80);
      if (lVar3 == 0) {
        FUN_14006ba50(local_78,(wchar_t *)PTR_u_ArrayWithExternalBuffer_is_unini_1401ad9a0,param_3,
                      param_4);
                    /* WARNING: Subroutine does not return */
        _CxxThrowException(local_78,(ThrowInfo *)&DAT_1401a93e8);
      }
      if (((longlong)uVar7 < 0) || (*(int *)(param_1 + 0xc88) <= (int)uVar9)) {
                    /* WARNING: Subroutine does not return */
        FUN_14006be00();
      }
      uVar2 = *(uint *)(lVar3 + 8 + uVar8);
      param_3 = (SIZE_T)(int)uVar2;
      _Src = *(undefined8 **)(lVar3 + uVar8);
      _Dst = (undefined8 *)((longlong)(int)uVar10 + uVar13);
      if (param_3 < 0x21) {
        uVar12 = (ulonglong)(uVar2 & 7);
        for (uVar11 = param_3 >> 3; uVar11 != 0; uVar11 = uVar11 - 1) {
          uVar4 = *_Src;
          _Src = _Src + 1;
          *_Dst = uVar4;
          _Dst = _Dst + 1;
        }
        param_4 = 0;
        param_3 = 0;
        if (uVar12 != 0) {
          puVar6 = _Src;
          do {
            uVar1 = *(undefined1 *)puVar6;
            puVar6 = (undefined8 *)((longlong)puVar6 + 1);
            uVar12 = uVar12 - 1;
            *(undefined1 *)((longlong)_Dst + (-1 - (longlong)_Src) + (longlong)puVar6) = uVar1;
          } while (uVar12 != 0);
          param_4 = 0;
        }
      }
      else {
        memcpy(_Dst,_Src,param_3);
      }
      uVar7 = uVar7 + 1;
      uVar8 = uVar8 + 0x10;
      uVar9 = (ulonglong)((int)uVar9 + 1);
      uVar10 = (ulonglong)((int)uVar10 + uVar2);
    } while ((longlong)uVar7 < (longlong)iVar5);
  }
  return;
}