int rt2800_set_extension_channel(int param_1)

{

  int iVar1;

  int iVar2;

  char acStack_90 [64];

  char local_50 [64];

  memset(acStack_90,0,0x40)   //possible issue identified - semgrep

  xmldbc_get_wb(0,0,"/wireless/bandwidth",acStack_90,0x40);

  iVar1 = atoi(acStack_90);

  if ((((iVar1 != 2) || (iVar2 = param_1 + 4, 4 < param_1)) &&

      ((2 < param_1 - 5U || (iVar2 = param_1 + -4, iVar1 != 2)))) &&

     ((iVar2 = param_1, 7 < param_1 && (iVar1 == 2)))) {

    memset(local_50,0,0x40)   //possible issue identified - semgrep

    xmldbc_get_wb(0,0,"/sys/countrycode",local_50,0x40);

    if (local_50[0] == '\0') {

      xmldbc_get_wb(0,0,"/runtime/nvram/countrycode",local_50,0x40);

    }

    atoi(local_50);

    iVar2 = param_1 + -4;

  }

  return iVar2;

}