[PATCH v2 4/4] Free the data returned by Format_Icons()

[walter harms]

Am 21.05.2015 14:55, schrieb Eirik Byrkjeflot Anonsen:
> Signed-off-by: Eirik Byrkjeflot Anonsen <eirik at eirikba.org>
> ---
>  xprop.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/xprop.c b/xprop.c
> index 7e1e719..f14eec2 100644
> --- a/xprop.c
> +++ b/xprop.c
> @@ -755,10 +755,17 @@ is_utf8_locale (void)
>  static const char *
>  Format_Icons (const unsigned long *icon, int len)
>  {
> -    char *result = NULL, *tail = NULL;
> +    static char *result = NULL;
> +    char *tail = NULL;
>      int alloced;
>      const unsigned long *end = icon + len / sizeof (unsigned long);
>  
> +    if (result)
> +    {
> +	free(result);
> +	result = NULL;
> +    }
> +

let free() handle NULL

re,
 wh

>      alloced = 0;
>  
>      while (icon < end)