/* DxeIplHuffmanBuildTable @ 0xffc1663a size=0x2bf */
int __fastcall DxeIplHuffmanBuildTable(int this, unsigned __int16 n0x3FB, int a3, unsigned __int16 n0x10, int a5)
{
  unsigned __int16 v5; // si
  unsigned __int8 n0x10_1; // al
  int n15; // ecx
  int v8; // edx
  int n16; // esi
  __int16 v10; // ax
  __int16 v11; // ax
  unsigned __int16 n0x10_2; // bp
  int n0x10_4; // esi
  char v14; // bl
  char n0x10_3; // al
  int n0x10_7; // edx
  __int16 v17; // ax
  int n0x10_5; // edx
  __int16 v19; // ax
  unsigned __int16 v20; // ax
  int v21; // edx
  int v22; // eax
  unsigned int v23; // eax
  int n0x3FB_4; // esi
  int v25; // edi
  int v26; // ecx
  unsigned int n0x10_6; // edx
  unsigned int v28; // ecx
  unsigned __int16 v29; // bx
  unsigned __int16 v30; // di
  unsigned __int16 v31; // dx
  int v32; // ebx
  _WORD *v33; // ecx
  int n0x3FB_2; // ebp
  unsigned __int16 v35; // si
  int n0x3FB_3; // edx
  int v37; // ecx
  int v39; // eax
  unsigned __int16 v42; // [esp+14h] [ebp-64h]
  int n0x3FB_1; // [esp+18h] [ebp-60h]
  int n0x3FB_5; // [esp+1Ch] [ebp-5Ch]
  unsigned __int16 v45; // [esp+20h] [ebp-58h]
  unsigned __int16 v46; // [esp+28h] [ebp-50h]
  int v47; // [esp+2Ch] [ebp-4Ch]
  _WORD buf[18]; // [esp+30h] [ebp-48h] BYREF
  _DWORD v49[8]; // [esp+54h] [ebp-24h]
  __int16 v50; // [esp+76h] [ebp-2h]

  memset(buf, 0, 34); /*0xffc16652*/
  v5 = 0; /*0xffc16656*/
  if ( n0x3FB ) /*0xffc1665f*/
  {
    do /*0xffc16668*/
    {
      n0x10_1 = *(_BYTE *)(v5 + a3); /*0xffc16668*/
      if ( n0x10_1 > 0x10u ) /*0xffc1666d*/
        return 0xFFFF; /*0xffc1666d*/
      ++buf[n0x10_1]; /*0xffc16676*/
    }
    while ( ++v5 < n0x3FB ); /*0xffc16668*/
  }
  n15 = 15; /*0xffc16681*/
  v8 = 0; /*0xffc16686*/
  v49[0] = 0; /*0xffc1668b*/
  n16 = 16; /*0xffc1668f*/
  do /*0xffc166aa*/
  {
    v10 = buf[++v8]; /*0xffc16691*/
    v11 = *(_WORD *)((char *)v49 + v8 * 2) + (v10 << n15--); /*0xffc1669c*/
    *(_WORD *)((char *)v49 + v8 * 2 + 2) = v11; /*0xffc166a2*/
    --n16; /*0xffc166a7*/
  }
  while ( n16 ); /*0xffc166aa*/
  if ( v50 ) /*0xffc166b1*/
    return 0xFFFF; /*0xffc1687f*/
  n0x10_2 = n0x10; /*0xffc166bc*/
  n0x10_4 = 1; /*0xffc166c6*/
  v14 = 16 - n0x10; /*0xffc166c8*/
  buf[0] = 0; /*0xffc166cd*/
  if ( !n0x10 ) /*0xffc166d5*/
    goto LABEL_45; /*0xffc166d5*/
  n0x10_3 = n0x10; /*0xffc166d7*/
  do /*0xffc166ff*/
  {
    n0x10_7 = (unsigned __int16)n0x10_4; /*0xffc166de*/
    *((_WORD *)v49 + (unsigned __int16)n0x10_4) >>= v14; /*0xffc166e4*/
    v17 = 1 << (n0x10_3 - n0x10_4++); /*0xffc166ef*/
    buf[n0x10_7] = v17; /*0xffc166f3*/
    n0x10_3 = n0x10; /*0xffc166f8*/
  }
  while ( (unsigned __int16)n0x10_4 <= n0x10 ); /*0xffc166ff*/
  if ( (unsigned __int16)n0x10_4 <= 0x10u ) /*0xffc16707*/
  {
LABEL_45:
    do /*0xffc16721*/
    {
      n0x10_5 = (unsigned __int16)n0x10_4; /*0xffc1670c*/
      v19 = 1 << (16 - n0x10_4++); /*0xffc16715*/
      buf[n0x10_5] = v19; /*0xffc16719*/
    }
    while ( (unsigned __int16)n0x10_4 <= 0x10u ); /*0xffc16721*/
    n0x10_2 = n0x10; /*0xffc16723*/
  }
  v20 = *((_WORD *)v49 + n0x10_2 + 1) >> v14; /*0xffc16735*/
  v21 = v20; /*0xffc16738*/
  if ( v20 ) /*0xffc1673e*/
  {
    v22 = (unsigned __int16)(1 << n0x10_2); /*0xffc16747*/
    if ( (unsigned __int16)v21 < (unsigned __int16)v22 ) /*0xffc1674d*/
    {
      v23 = 2 * (v22 - v21); /*0xffc16753*/
      if ( v23 ) /*0xffc16755*/
        DxeIplSetMem16((_WORD *)(a5 + 2 * v21), v23 >> 1, 0); /*0xffc16767*/
    }
  }
  n0x3FB_1 = n0x3FB; /*0xffc16774*/
  n0x3FB_4 = 0; /*0xffc16787*/
  v42 = 1 << (15 - n0x10_2); /*0xffc1678c*/
  v45 = 1 << n0x10_2; /*0xffc16793*/
  n0x3FB_5 = 0; /*0xffc16799*/
  if ( n0x3FB ) /*0xffc167a2*/
  {
    v25 = a5; /*0xffc167a8*/
    v26 = a3; /*0xffc167b1*/
    do /*0xffc168e2*/
    {
      n0x10_6 = *(unsigned __int8 *)((unsigned __int16)n0x3FB_4 + v26); /*0xffc167bf*/
      if ( *(_BYTE *)((unsigned __int16)n0x3FB_4 + v26) && n0x10_6 < 0x11 ) /*0xffc167cf*/
      {
        v47 = 2 * n0x10_6; /*0xffc167d9*/
        v28 = *((unsigned __int16 *)v49 + n0x10_6); /*0xffc167dd*/
        v29 = v28 + buf[n0x10_6]; /*0xffc167ea*/
        v46 = v29; /*0xffc167ed*/
        if ( (unsigned __int16)n0x10_6 <= n0x10_2 ) /*0xffc167f4*/
        {
          while ( (unsigned __int16)v28 < v29 ) /*0xffc16893*/
          {
            if ( (unsigned __int16)v28 >= v45 ) /*0xffc16886*/
              return 0xFFFF; /*0xffc168f2*/
            v39 = (unsigned __int16)v28; /*0xffc16888*/
            LOWORD(v28) = v28 + 1; /*0xffc1688b*/
            *(_WORD *)(v25 + 2 * v39) = n0x3FB_4; /*0xffc1688c*/
          }
        }
        else
        {
          v30 = *((_WORD *)v49 + n0x10_6); /*0xffc167fa*/
          v31 = n0x10_6 - n0x10_2; /*0xffc167fc*/
          v32 = v31; /*0xffc1680d*/
          v33 = (_WORD *)(a5 + 2 * (v28 >> (16 - n0x10))); /*0xffc16810*/
          if ( v31 ) /*0xffc16816*/
          {
            n0x3FB_2 = n0x3FB_1; /*0xffc1681c*/
            v35 = v42; /*0xffc16820*/
            do /*0xffc168a5*/
            {
              if ( !*v33 && (unsigned __int16)n0x3FB_2 < 0x3FBu ) /*0xffc16833*/
              {
                *(_WORD *)(this + 2 * (unsigned __int16)n0x3FB_2 + 42) = 0; /*0xffc1683e*/
                *(_WORD *)(this + 2 * (unsigned __int16)n0x3FB_2 + 2080) = 0; /*0xffc16843*/
                v35 = v42; /*0xffc1684b*/
                *v33 = n0x3FB_2++; /*0xffc1684f*/
              }
              n0x3FB_3 = (unsigned __int16)*v33; /*0xffc16853*/
              if ( (unsigned __int16)n0x3FB_3 < 0x3FBu ) /*0xffc1685e*/
              {
                v37 = this + 2 * n0x3FB_3; /*0xffc1686d*/
                if ( (v30 & v35) != 0 ) /*0xffc16870*/
                  v33 = (_WORD *)(v37 + 2080); /*0xffc16872*/
                else
                  v33 = (_WORD *)(v37 + 42); /*0xffc16897*/
              }
              v32 += 0xFFFF; /*0xffc1689a*/
              v30 *= 2; /*0xffc168a0*/
            }
            while ( (_WORD)v32 ); /*0xffc168a5*/
            n0x3FB_4 = n0x3FB_5; /*0xffc168ab*/
            n0x3FB_1 = n0x3FB_2; /*0xffc168af*/
            n0x10_2 = n0x10; /*0xffc168b3*/
          }
          v29 = v46; /*0xffc168ba*/
          v25 = a5; /*0xffc168be*/
          *v33 = n0x3FB_4; /*0xffc168c5*/
        }
        v26 = a3; /*0xffc168cc*/
        *(_WORD *)((char *)v49 + v47) = v29; /*0xffc168d3*/
      }
      n0x3FB_5 = ++n0x3FB_4; /*0xffc168d9*/
    }
    while ( (unsigned __int16)n0x3FB_4 < n0x3FB ); /*0xffc168e2*/
  }
  return 0; /*0xffc168eb*/
}