/* MessageServer_Release_x64.exe sha256 7911b15c4379625eaa12ff227708aa3a033bc6ac2cf6b34283136e3a62df25f1
 * Ghidra 12.1.2 decompiler output for 0x1400bcc60 FUN_1400bcc60
 * Pseudocode, not original source. */

longlong FUN_1400bcc60(uint *param_1,int *param_2,uint param_3,undefined8 param_4)

{
  uint uVar1;
  ulonglong uVar2;
  int iVar3;
  int iVar4;
  longlong lVar5;
  longlong lVar6;
  ulonglong uVar7;
  ulonglong uVar8;
  exception local_58 [80];
  
  uVar2 = (ulonglong)param_3;
  lVar5 = *(longlong *)(param_1 + 2);
  if (lVar5 == 0) {
    if (*(longlong *)(param_1 + 4) == 0) {
                    /* WARNING: Subroutine does not return */
      FUN_1400d1900(param_1,param_2,0,param_4);
    }
    uVar1 = param_1[6];
  }
  else {
    uVar1 = *(uint *)(lVar5 + 0x18);
  }
  uVar8 = (ulonglong)uVar1;
  iVar3 = *param_1 + ((int)*param_1 >> 0x1f & 7U);
  iVar4 = iVar3 >> 3;
  if ((int)uVar1 < (int)(iVar4 + param_3)) {
    return (ulonglong)(uint3)(iVar3 >> 0xb) << 8;
  }
  if (*(longlong *)(param_1 + 4) == 0) {
    if (lVar5 == 0) {
                    /* WARNING: Subroutine does not return */
      FUN_1400d1900((ulonglong)(iVar4 + param_3),(longlong)iVar4,0,uVar8);
    }
    if (*(int *)(lVar5 + 0x18) == 0) {
      lVar6 = 0;
    }
    else {
      lVar6 = *(longlong *)(lVar5 + 0x10);
    }
  }
  else {
    lVar6 = *(longlong *)(param_1 + 4);
    if (lVar6 == 0) {
      FUN_14006ba50(local_58,(wchar_t *)PTR_u_ArrayWithExternalBuffer_is_unini_1401ad9a0,lVar5,uVar8
                   );
                    /* WARNING: Subroutine does not return */
      _CxxThrowException(local_58,(ThrowInfo *)&DAT_1401a93e8);
    }
  }
  lVar6 = iVar4 + lVar6;
  if (DAT_1401ac140 < (int)param_3) {
    FUN_14006ba50(local_58,L"UseExternalBuffer failed due to too large capacity",lVar5,uVar8);
                    /* WARNING: Subroutine does not return */
    _CxxThrowException(local_58,(ThrowInfo *)&DAT_1401a93e8);
  }
  uVar7 = uVar2;
  FUN_1400bc580((longlong *)(param_2 + 2),lVar6,uVar2,uVar8);
  if ((int)(param_3 * 8) < *param_2) {
    *param_2 = param_3 * 8;
  }
  if ((int)param_3 < 0) {
                    /* WARNING: Subroutine does not return */
    FUN_14006be00();
  }
  if (*(longlong *)(param_2 + 4) == 0) {
    lVar5 = *(longlong *)(param_2 + 2);
    if ((int)param_3 < 1) {
      if (lVar5 == 0) goto LAB_1400bcda3;
      param_3 = 0;
    }
    else if (lVar5 == 0) {
                    /* WARNING: Subroutine does not return */
      FUN_1400d1900(0,lVar6,uVar7,uVar8);
    }
    FUN_1400146f0(lVar5,param_3,uVar7);
  }
  else {
    if (param_2[7] < (int)param_3) {
                    /* WARNING: Subroutine does not return */
      FUN_14006be00();
    }
    param_2[6] = param_3;
  }
LAB_1400bcda3:
  lVar5 = FUN_1400bcbc0(param_1,uVar2,uVar7,uVar8);
  return CONCAT71((int7)((ulonglong)lVar5 >> 8),1);
}