ulonglong FUN_0048a700(byte *param_1,undefined4 *param_2,uint param_3,uint param_4)

{

  bool bVar1;

  ulonglong uVar2;

  longlong lVar3;

  undefined4 *puVar4;

  byte bVar5;

  int iVar6;

  uint uVar7;

  uint uVar8;

  byte *pbVar9;

  byte *pbVar10;

  uint uVar11;

  uint uVar12;

  pbVar9 = param_1;

  while (iVar6 = (int)(char)*pbVar9, (*(ushort *)(PTR_DAT_004b7614 + iVar6 * 2) & 0x20) != 0) {

    pbVar9 = pbVar9 + 1;

  }

  if (iVar6 == 0x2b) {

    uVar12 = 0;

  }

  else {

    uVar12 = 0;

    if (iVar6 != 0x2d) goto LAB_0048a794;

    uVar12 = 1;

  }

  pbVar9 = pbVar9 + 1;

LAB_0048a794:

  pbVar10 = pbVar9;

  if ((param_3 & 0xffffffef) == 0) {

    uVar7 = param_3 + 10;

    if (*pbVar9 == 0x30) {

      param_1 = pbVar9 + 1;

      uVar7 = param_3 + 8;

      pbVar10 = param_1;

      if ((*param_1 | 0x20) == 0x78) {

        pbVar10 = pbVar9 + 2;

        uVar7 = (param_3 + 8) * 2;

      }

    }

    param_3 = uVar7;

    if (0x10 < (int)param_3) {

      param_3 = 0x10;

    }

  }

  uVar2 = 0;

  if (param_3 - 2 < 0x23) {

    uVar2 = 0;

    while( true ) {

      lVar3 = (uVar2 >> 8) * (longlong)(int)param_3;

      uVar7 = (int)(char)*pbVar10 - 0x30U & 0xff;

      bVar5 = *pbVar10 | 0x20;

      bVar1 = 0x3ffffffffffffff < uVar2;

      if (9 < uVar7) {

        uVar7 = 0x28;

        if (0x60 < bVar5) {

          uVar7 = (uint)(byte)(bVar5 + 0xa9);

        }

      }

      uVar8 = ((uint)uVar2 & 0xff) * param_3 + uVar7;

      if ((int)param_3 <= (int)uVar7) break;

      param_1 = pbVar10 + 1;

      pbVar10 = param_1;

      uVar2 = (uVar2 & 0xffffffff) * (ulonglong)param_3 +

              CONCAT44(param_3 * (int)(uVar2 >> 0x20) + ((int)param_3 >> 0x1f) * (uint)uVar2,uVar7);

      if ((bVar1) &&

         (uVar7 = uVar8 + (uint)lVar3 * 0x100,

         uVar2 = CONCAT44((uint)(uVar7 < uVar8) +

                          ((uint)lVar3 >> 0x18 | (int)((ulonglong)lVar3 >> 0x20) * 0x100),uVar7),

         0xffffffffffffff < lVar3 + (ulonglong)(uVar8 >> 8))) {

        uVar12 = uVar12 & param_4;

        puVar4 = (undefined4 *)FUN_0047f6f0();

        *puVar4 = 0x22;

        uVar2 = 0xffffffffffffffff;

      }

    }

  }

  uVar7 = (uint)(uVar2 >> 0x20);

  if (param_2 != (undefined4 *)0x0) {

    *param_2 = param_1;

  }

  uVar8 = 0xffffffff;

  uVar11 = 0x7fffffff;

  if (uVar12 != 0) {

    uVar8 = 0;

    uVar11 = 0x80000000;

  }

  if ((param_4 != 0) && ((uVar11 < uVar7 || ((uVar7 == uVar11 && (uVar8 < (uint)uVar2)))))) {

    puVar4 = (undefined4 *)FUN_0047f6f0();

    *puVar4 = 0x22;

    uVar2 = CONCAT44(uVar11,uVar8);

  }

  if (uVar12 != 0) {

    uVar2 = CONCAT44(-(uint)(-(int)uVar2 != 0) - (int)(uVar2 >> 0x20),-(int)uVar2);

  }

  return uVar2;

}