void attach_option(undefined4 *param_1,int param_2,void *param_3,size_t param_4)

{

  byte bVar1;

  undefined4 *puVar2;

  undefined1 *puVar3;

  void *pvVar4;

  byte *__ptr;

  undefined4 *puVar5;

  undefined4 *puVar6;

  int *piVar7;

  piVar7 = (int *)*param_1;

  if (piVar7 != (int *)0x0) {

    __ptr = (byte *)*piVar7;

    bVar1 = *__ptr;

    while ((int)(uint)bVar1 < (int)*(char *)(param_2 + 0x15)) {

      piVar7 = (int *)piVar7[1];

      if (piVar7 == (int *)0x0) goto LAB_00408910;

      __ptr = (byte *)*piVar7;

      bVar1 = *__ptr;

    }

    if ((int)*(char *)(param_2 + 0x15) == (uint)bVar1) {

      if ((*(byte *)(param_2 + 0x14) & 0x20) == 0) {

        return;

      }

      if (0xff < (int)(__ptr[1] + param_4)) {

        return;

      }

      pvVar4 = realloc(__ptr,__ptr[1] + param_4 + 2)   //possible issue identified - semgrep

      *piVar7 = (int)pvVar4;

      memcpy((void *)((int)pvVar4 + *(byte *)((int)pvVar4 + 1) + 2),param_3,param_4)   //possible issue identified - semgrep

      *(char *)(*piVar7 + 1) = (char)param_4 + *(char *)(*piVar7 + 1);

      return;

    }

  }

LAB_00408910:

  puVar2 = (undefined4 *)malloc(8)   //possible issue identified - semgrep

  puVar3 = (undefined1 *)malloc(param_4 + 2)   //possible issue identified - semgrep

  *puVar3 = *(undefined1 *)(param_2 + 0x15);

  *puVar2 = puVar3;

  puVar3[1] = (char)param_4;

  memcpy(puVar3 + 2,param_3,param_4)   //possible issue identified - semgrep

  puVar6 = (undefined4 *)*param_1;

  if ((puVar6 == (undefined4 *)0x0) || (*(byte *)(param_2 + 0x15) <= *(byte *)*puVar6)) {

    puVar2[1] = puVar6;

    *param_1 = puVar2;

  }

  else {

    do {

      puVar5 = puVar6 + 1;

      puVar6 = (undefined4 *)puVar6[1];

      if (puVar6 == (undefined4 *)0x0) break;

    } while (*(byte *)*puVar6 < *(byte *)(param_2 + 0x15));

    puVar2[1] = puVar6;

    *puVar5 = puVar2;

  }

  return;

}