/* MessageServer_Release_x64.exe sha256 7911b15c4379625eaa12ff227708aa3a033bc6ac2cf6b34283136e3a62df25f1
 * Ghidra 12.1.2 decompiler output for 0x1400bcfd0 FUN_1400bcfd0
 * Pseudocode, not original source. */

/* WARNING: Function: __security_check_cookie replaced with injection: security_check_cookie */

ulonglong FUN_1400bcfd0(uint *param_1,undefined8 *param_2,undefined8 param_3,undefined8 param_4)

{
  int iVar1;
  ulonglong uVar2;
  uint uVar3;
  longlong lVar4;
  uint *puVar5;
  uint uVar6;
  char *pcVar7;
  uint uVar8;
  undefined1 auStack_158 [32];
  exception local_138 [144];
  undefined8 local_a8 [15];
  undefined8 local_30;
  int local_28;
  ulonglong local_18;
  ulonglong uVar9;
  
  local_18 = DAT_1401ac5a0 ^ (ulonglong)auStack_158;
  lVar4 = *(longlong *)(param_1 + 2);
  if (lVar4 == 0) {
    if (*(longlong *)(param_1 + 4) == 0) {
                    /* WARNING: Subroutine does not return */
      FUN_1400d1900(0,param_2,param_3,param_4);
    }
    uVar8 = param_1[6];
  }
  else {
    uVar8 = *(uint *)(lVar4 + 0x18);
  }
  uVar6 = (int)*param_1 >> 0x1f & 7;
  iVar1 = (int)(*param_1 + uVar6) >> 3;
  if (*(longlong *)(param_1 + 4) == 0) {
    if (lVar4 == 0) {
                    /* WARNING: Subroutine does not return */
      FUN_1400d1900(0,(ulonglong)uVar6,(ulonglong)uVar8,param_4);
    }
    if (*(int *)(lVar4 + 0x18) == 0) {
      lVar4 = 0;
    }
    else {
      lVar4 = *(longlong *)(lVar4 + 0x10);
    }
  }
  else {
    lVar4 = *(longlong *)(param_1 + 4);
    if (lVar4 == 0) {
      FUN_14006ba50(local_138,(wchar_t *)PTR_u_ArrayWithExternalBuffer_is_unini_1401ad9a0,
                    (ulonglong)uVar8,param_4);
                    /* WARNING: Subroutine does not return */
      _CxxThrowException(local_138,(ThrowInfo *)&DAT_1401a93e8);
    }
  }
  uVar8 = uVar8 - iVar1;
  uVar9 = (ulonglong)uVar8;
  pcVar7 = (char *)(iVar1 + lVar4);
  uVar2 = FUN_1400f64e0(local_a8,pcVar7,uVar8);
  if ((char)uVar2 != '\0') {
    *param_2 = local_30;
    puVar5 = param_1;
    FUN_1400bc8a0((int *)param_1,pcVar7,uVar9,param_4);
    lVar4 = *(longlong *)(param_1 + 2);
    if ((lVar4 == 0) && (*(longlong *)(param_1 + 4) == 0)) {
      FUN_14006ba50(local_138,L"Null message로부터 데이터를 읽으려 했음",uVar9,param_4);
                    /* WARNING: Subroutine does not return */
      _CxxThrowException(local_138,(ThrowInfo *)&DAT_1401a93e8);
    }
    uVar8 = *param_1;
    uVar6 = (int)uVar8 >> 0x1f & 7;
    if (lVar4 == 0) {
      if (*(longlong *)(param_1 + 4) == 0) {
                    /* WARNING: Subroutine does not return */
        FUN_1400d1900(puVar5,(ulonglong)uVar6,(ulonglong)uVar8,param_4);
      }
      uVar3 = param_1[6];
    }
    else {
      uVar3 = *(uint *)(lVar4 + 0x18);
    }
    uVar6 = ((int)(uVar8 + uVar6) >> 3) + local_28;
    if ((int)uVar6 <= (int)uVar3) {
      uVar6 = uVar8 + local_28 * 8;
      *param_1 = uVar6;
    }
    uVar2 = CONCAT71((uint7)(uint3)(uVar6 >> 8),1);
  }
  return uVar2;
}