int * FUN_0040c718(uint param_1,int *param_2,undefined4 param_3,undefined4 param_4,

                  undefined4 param_5)

{

  int *piVar1;

  undefined4 *__ptr;

  int iVar2;

  undefined4 uVar3;

  undefined4 uVar4;

  undefined4 uVar5;

  undefined4 *puVar6;

  piVar1 = (int *)*param_2;

  if (piVar1 != (int *)0x0) {

    iVar2 = 0;

    do {

      piVar1 = (int *)*piVar1;

      iVar2 = iVar2 + 1;

    } while (piVar1 != (int *)0x0);

    __ptr = (undefined4 *)malloc(iVar2 * 0x10)   //possible issue identified - semgrep

    if (__ptr == (undefined4 *)0x0) {

      uVar3 = dhcp6optstr(param_1);

      dprintf(3,"dhcp6_set_addr","memory allocation failed for %s options",uVar3);

      piVar1 = (int *)0xffffffff;

    }

    else {

      puVar6 = __ptr;

      for (param_2 = (int *)*param_2; param_2 != (int *)0x0; param_2 = (int *)*param_2) {

        uVar5 = param_2[6];

        uVar3 = param_2[4];

        uVar4 = param_2[5];

        *puVar6 = param_2[3];

        puVar6[1] = uVar3;

        puVar6[2] = uVar4;

        puVar6[3] = uVar5;

        puVar6 = puVar6 + 4;

      }

      iVar2 = FUN_0040b9dc(param_1 & 0xffff,iVar2 * 0x10 & 0xfff0,__ptr,param_3,param_4,param_5);

      if (iVar2 == 0) {

        free(__ptr);

        piVar1 = (int *)0x0;

      }

      else {

        free(__ptr);

        piVar1 = (int *)0xffffffff;

      }

    }

  }

  return piVar1;

}