/* WARNING: Restarted to delay deadcode elimination for space: stack */

int FUN_0040b550(void *param_1,void *param_2,int param_3)

{

  int iVar1;

  undefined4 uVar2;

  uint uVar3;

  undefined1 *puVar4;

  uint uVar5;

  uint uVar6;

  int *piVar7;

  int iVar8;

  int iVar9;

  undefined1 uVar10;

  size_t __n;

  undefined4 *__src;

  undefined4 local_80;

  ushort local_7c;

  undefined4 local_78;

  uint local_74;

  uint local_70;

  uint local_6c;

  undefined4 local_68;

  undefined4 local_64;

  undefined4 local_60;

  undefined4 local_5c;

  undefined4 local_58;

  uint local_54;

  uint local_50;

  undefined4 local_4c;

  uint local_48;

  uint local_44;

  undefined1 local_40 [4];

  undefined1 local_3c [4];

  undefined1 local_38 [4];

  undefined4 local_34;

  undefined1 local_30;

  if ((param_1 != (void *)0x0) && (param_2 <= param_1)) {

    return -1;

  }

  switch(*(undefined4 *)(param_3 + 8)) {

  default:

    dprintf(3,"copyout_option","unknown option: code %d");

    return -1;

  case 2:

    local_80 = 0;

    local_7c = 0;

    __src = &local_80;

    __n = 6   //possible issue identified - semgrep

    uVar10 = 0xd;

    break;

  case 3:

  case 5:

    __src = &local_4c;

    local_4c = 0;

    local_48 = 0;

    local_44 = 0;

    local_40 = (undefined1  [4])0x0;

    local_3c = (undefined1  [4])0x0;

    local_38 = (undefined1  [4])0x0;

    local_34 = 0;

    local_30 = 0;

    __n = 0x1d   //possible issue identified - semgrep

    uVar10 = 0x1a;

    break;

  case 4:

    __src = &local_78;

    local_78 = 0;

    local_74 = 0;

    local_70 = 0;

    local_6c = 0;

    __n = 0x10   //possible issue identified - semgrep

    uVar10 = 0x19;

    break;

  case 6:

    __src = &local_78;

    local_78 = 0;

    local_74 = 0;

    local_70 = 0;

    local_6c = 0;

    __n = 0x10   //possible issue identified - semgrep

    uVar10 = 3;

    break;

  case 7:

    __src = &local_68;

    local_68 = 0;

    local_64 = 0;

    local_60 = 0;

    local_5c = 0;

    local_58 = 0;

    local_54 = 0;

    local_50 = 0;

    __n = 0x1c   //possible issue identified - semgrep

    uVar10 = 5;

    if (param_1 != (void *)0x0) goto LAB_0040b628;

    iVar8 = 0;

    goto LAB_0040b62c;

  }

  iVar8 = 0;

  if (param_1 != (void *)0x0) {

LAB_0040b628:

    iVar8 = (int)param_1 + __n   //possible issue identified - semgrep

  }

LAB_0040b62c:

  iVar9 = 0;

  for (piVar7 = *(int **)(param_3 + 0x28); piVar7 != (int *)0x0; piVar7 = (int *)*piVar7) {

    iVar1 = FUN_0040b550(iVar8,param_2,piVar7);

    if (iVar1 < 0) goto switchD_0040b744_caseD_0;

    if (param_1 != (void *)0x0) {

      iVar8 = iVar8 + iVar1;

    }

    iVar9 = iVar9 + iVar1;

  }

  iVar9 = iVar9 + __n   //possible issue identified - semgrep

  if (param_1 == (void *)0x0) {

    return iVar9;

  }

  uVar2 = dhcp6optstr(uVar10);

  dprintf(7,"copyout_option","set %s",uVar2);

  if ((int)param_2 - (int)param_1 < (int)__n) {

switchD_0040b744_caseD_0:

    iVar9 = -1;

  }

  else {

    uVar3 = iVar9 - 4U & 0xffff;

    uVar2 = *(undefined4 *)(param_3 + 8);

    *(undefined1 *)((int)__src + 1) = uVar10;

    *(char *)((int)__src + 3) = (char)uVar3;

    *(undefined1 *)__src = 0;

    *(char *)((int)__src + 2) = (char)(uVar3 >> 8);

    switch(uVar2) {

    default:

      goto switchD_0040b744_caseD_0;

    case 2:

      local_7c = *(ushort *)(param_3 + 0xc) << 8 | *(ushort *)(param_3 + 0xc) >> 8;

      break;

    case 4:

    case 6:

      uVar6 = *(uint *)(param_3 + 0x14);

      uVar3 = *(uint *)(param_3 + 0xc);

      uVar5 = *(uint *)(param_3 + 0x10);

      local_74 = uVar3 << 0x18 | uVar3 >> 0x18 | (uVar3 & 0xff0000) >> 8 | (uVar3 & 0xff00) << 8;

      local_70 = uVar5 << 0x18 | uVar5 >> 0x18 | (uVar5 & 0xff0000) >> 8 | (uVar5 & 0xff00) << 8;

      local_6c = uVar6 << 0x18 | uVar6 >> 0x18 | (uVar6 & 0xff0000) >> 8 | (uVar6 & 0xff00) << 8;

      break;

    case 5:

      uVar3 = *(uint *)(param_3 + 0xc);

      uVar5 = *(uint *)(param_3 + 0x10);

      uVar6 = *(uint *)(param_3 + 0x18);

      iVar8 = *(int *)(param_3 + 0x1c);

      puVar4 = local_40 + 1;

      local_48 = uVar3 << 0x18 | uVar3 >> 0x18 | (uVar3 & 0xff0000) >> 8 | (uVar3 & 0xff00) << 8;

      local_44 = uVar5 << 0x18 | uVar5 >> 0x18 | (uVar5 & 0xff0000) >> 8 | (uVar5 & 0xff00) << 8;

      local_3c = (undefined1  [4])((uint)local_3c & 0xffffff00 | *(uint *)(param_3 + 0x14) >> 0x18);

      local_38 = (undefined1  [4])((uint)local_38 & 0xffffff00 | uVar6 >> 0x18);

      local_34._0_1_ = (undefined1)((uint)iVar8 >> 0x18);

      local_34._1_3_ = (undefined3)*(undefined4 *)(param_3 + 0x20);

      local_30 = (undefined1)((uint)*(undefined4 *)(param_3 + 0x20) >> 0x18);

      local_40[0] = (char)*(undefined4 *)(param_3 + 0x24);

      uVar3 = (uint)puVar4 & 3;

      *(uint *)(puVar4 + -uVar3) =

           *(uint *)(puVar4 + -uVar3) & 0xffffffffU >> (4 - uVar3) * 8 |

           *(uint *)(param_3 + 0x14) << uVar3 * 8;

      puVar4 = local_3c + 1;

      uVar3 = (uint)puVar4 & 3;

      *(uint *)(puVar4 + -uVar3) =

           *(uint *)(puVar4 + -uVar3) & 0xffffffffU >> (4 - uVar3) * 8 | uVar6 << uVar3 * 8;

      puVar4 = local_38 + 1;

      uVar3 = (uint)puVar4 & 3;

      *(uint *)(puVar4 + -uVar3) =

           *(uint *)(puVar4 + -uVar3) & 0xffffffffU >> (4 - uVar3) * 8 | iVar8 << uVar3 * 8;

      break;

    case 7:

      uVar3 = *(uint *)(param_3 + 0xc);

      uVar5 = *(uint *)(param_3 + 0x10);

      local_58 = *(undefined4 *)(param_3 + 0x20);

      local_60 = *(undefined4 *)(param_3 + 0x18);

      local_64 = *(undefined4 *)(param_3 + 0x14);

      local_5c = *(undefined4 *)(param_3 + 0x1c);

      local_54 = uVar3 << 0x18 | uVar3 >> 0x18 | (uVar3 & 0xff0000) >> 8 | (uVar3 & 0xff00) << 8;

      local_50 = uVar5 << 0x18 | uVar5 >> 0x18 | (uVar5 & 0xff0000) >> 8 | (uVar5 & 0xff00) << 8;

    }

    memcpy(param_1,__src,__n)   //possible issue identified - semgrep

  }

  return iVar9;

}