/* DBCServer_Release_x64.exe sha256 d9e4fccdf3482e50247686d4452c0b13c75a53efc4bd7320668eece8d1ce828c
 * Ghidra 12.1.2 decompiler output for 0x14020fc30 FUN_14020fc30
 * Pseudocode, not original source. */

undefined8 FUN_14020fc30(ushort *param_1,uint param_2,undefined1 *param_3,uint *param_4)

{
  undefined1 uVar1;
  int iVar2;
  undefined8 uVar3;
  undefined1 uVar4;
  uint uVar5;
  byte *pbVar6;
  byte *pbVar7;
  ulonglong uVar8;
  ushort *puVar9;
  uint uVar10;
  
  uVar8 = (ulonglong)param_2;
  if (((param_1 == (ushort *)0x0) || (param_3 == (undefined1 *)0x0)) || (param_4 == (uint *)0x0)) {
    return 0x10;
  }
  uVar5 = 0;
  uVar10 = 0;
  puVar9 = param_1;
  if (param_2 == 0) {
LAB_14020fce7:
    uVar10 = uVar5 + 2;
LAB_14020fcea:
    if (*param_4 < uVar10) {
      *param_4 = uVar5;
      return 6;
    }
    *param_3 = 0xc;
    uVar4 = (undefined1)uVar5;
    if (uVar5 < 0x80) {
      param_3[1] = uVar4;
      uVar10 = 2;
    }
    else if (uVar5 < 0x100) {
      param_3[1] = 0x81;
      uVar10 = 3;
      param_3[2] = uVar4;
    }
    else {
      uVar1 = (undefined1)(uVar5 >> 8);
      if (uVar5 < 0x10000) {
        param_3[1] = 0x82;
        uVar10 = 4;
        param_3[2] = uVar1;
        param_3[3] = uVar4;
      }
      else {
        if (0xffffff < uVar5) goto LAB_14020fdfe;
        param_3[1] = 0x83;
        uVar10 = 5;
        param_3[2] = (char)(uVar5 >> 0x10);
        param_3[3] = uVar1;
        param_3[4] = uVar4;
      }
    }
    if (param_2 != 0) {
      pbVar6 = param_3 + (int)uVar10;
      do {
        iVar2 = FUN_14020d3c0(*param_1);
        if (iVar2 == 1) {
          uVar10 = uVar10 + 1;
          pbVar7 = pbVar6 + 1;
          *pbVar6 = (byte)*param_1;
        }
        else if (iVar2 == 2) {
          uVar10 = uVar10 + 2;
          *pbVar6 = (byte)(*param_1 >> 6) & 0x1f | 0xc0;
          pbVar7 = pbVar6 + 2;
          pbVar6[1] = (byte)*param_1 & 0x3f | 0x80;
        }
        else {
          pbVar7 = pbVar6;
          if (iVar2 == 3) {
            uVar10 = uVar10 + 3;
            *pbVar6 = (byte)(*param_1 >> 0xc) | 0xe0;
            pbVar6[1] = (byte)(*param_1 >> 6) & 0x3f | 0x80;
            pbVar7 = pbVar6 + 3;
            pbVar6[2] = (byte)*param_1 & 0x3f | 0x80;
          }
        }
        param_1 = param_1 + 1;
        uVar8 = uVar8 - 1;
        pbVar6 = pbVar7;
      } while (uVar8 != 0);
    }
    *param_4 = uVar10;
    uVar3 = 0;
  }
  else {
    do {
      if (0x1ffff < *puVar9) goto LAB_14020fdfe;
      iVar2 = FUN_14020d3c0(*puVar9);
      uVar10 = uVar10 + 1;
      uVar5 = uVar5 + iVar2;
      puVar9 = puVar9 + 1;
    } while (uVar10 < param_2);
    if (uVar5 < 0x80) goto LAB_14020fce7;
    if (uVar5 < 0x100) {
      uVar10 = uVar5 + 3;
      goto LAB_14020fcea;
    }
    if (uVar5 < 0x10000) {
      uVar10 = uVar5 + 4;
      goto LAB_14020fcea;
    }
    if (uVar5 < 0x1000000) {
      uVar10 = uVar5 + 5;
      goto LAB_14020fcea;
    }
LAB_14020fdfe:
    uVar3 = 0x10;
  }
  return uVar3;
}