/* MessageServer_Release_x64.exe sha256 7911b15c4379625eaa12ff227708aa3a033bc6ac2cf6b34283136e3a62df25f1
 * Ghidra 12.1.2 decompiler output for 0x1400de9f0 FUN_1400de9f0
 * Pseudocode, not original source. */

void FUN_1400de9f0(longlong param_1,longlong *param_2,SIZE_T param_3,undefined8 param_4)

{
  undefined1 uVar1;
  int iVar2;
  longlong lVar3;
  undefined8 uVar4;
  uint uVar5;
  longlong lVar6;
  undefined8 *_Dst;
  longlong *plVar7;
  undefined8 *_Src;
  undefined8 *puVar8;
  ulonglong uVar9;
  ulonglong uVar10;
  ulonglong uVar11;
  ulonglong uVar12;
  ulonglong uVar13;
  ulonglong uVar14;
  ulonglong uVar15;
  exception local_78 [80];
  
  lVar6 = param_1;
  plVar7 = param_2;
  uVar5 = FUN_1400de5d0(param_1,param_2,param_3,param_4);
  if ((int)uVar5 < 0) {
                    /* WARNING: Subroutine does not return */
    FUN_14006be00();
  }
  if (param_2[1] == 0) {
    lVar6 = *param_2;
    if ((int)uVar5 < 1) {
      if (lVar6 == 0) goto LAB_1400dea49;
      plVar7 = (longlong *)0x0;
    }
    else {
      if (lVar6 == 0) {
                    /* WARNING: Subroutine does not return */
        FUN_1400d1900(0,plVar7,param_3,param_4);
      }
      plVar7 = (longlong *)(ulonglong)uVar5;
    }
    FUN_1400146f0(lVar6,(int)plVar7,param_3);
  }
  else {
    if (*(int *)((longlong)param_2 + 0x14) < (int)uVar5) {
                    /* WARNING: Subroutine does not return */
      FUN_14006be00();
    }
    *(uint *)(param_2 + 2) = uVar5;
  }
LAB_1400dea49:
  uVar9 = 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);
  }
  uVar15 = param_2[1];
  if (param_2[1] == 0) {
    lVar3 = *param_2;
    if (lVar3 == 0) {
                    /* WARNING: Subroutine does not return */
      FUN_1400d1900(lVar6,plVar7,param_3,param_4);
    }
    uVar15 = uVar9;
    if (*(int *)(lVar3 + 0x18) != 0) {
      uVar15 = *(ulonglong *)(lVar3 + 0x10);
    }
  }
  iVar2 = *(int *)(param_1 + 0xc88);
  uVar10 = uVar9;
  uVar11 = uVar9;
  uVar12 = uVar9;
  if (0 < (longlong)iVar2) {
    do {
      lVar6 = *(longlong *)(param_1 + 0xc80);
      if (lVar6 == 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)uVar9 < 0) || (*(int *)(param_1 + 0xc88) <= (int)uVar11)) {
                    /* WARNING: Subroutine does not return */
        FUN_14006be00();
      }
      uVar5 = *(uint *)(lVar6 + 8 + uVar10);
      param_3 = (SIZE_T)(int)uVar5;
      _Src = *(undefined8 **)(lVar6 + uVar10);
      _Dst = (undefined8 *)((longlong)(int)uVar12 + uVar15);
      if (param_3 < 0x21) {
        uVar14 = (ulonglong)(uVar5 & 7);
        for (uVar13 = param_3 >> 3; uVar13 != 0; uVar13 = uVar13 - 1) {
          uVar4 = *_Src;
          _Src = _Src + 1;
          *_Dst = uVar4;
          _Dst = _Dst + 1;
        }
        param_4 = 0;
        param_3 = 0;
        if (uVar14 != 0) {
          puVar8 = _Src;
          do {
            uVar1 = *(undefined1 *)puVar8;
            puVar8 = (undefined8 *)((longlong)puVar8 + 1);
            uVar14 = uVar14 - 1;
            *(undefined1 *)((longlong)_Dst + (-1 - (longlong)_Src) + (longlong)puVar8) = uVar1;
          } while (uVar14 != 0);
          param_4 = 0;
        }
      }
      else {
        memcpy(_Dst,_Src,param_3);
      }
      uVar9 = uVar9 + 1;
      uVar10 = uVar10 + 0x10;
      uVar11 = (ulonglong)((int)uVar11 + 1);
      uVar12 = (ulonglong)((int)uVar12 + uVar5);
    } while ((longlong)uVar9 < (longlong)iVar2);
  }
  return;
}