>From: Olaf Titz <olaf@bigred.inka.de>
>
>Ideally, we would be able to do something like:
>printk(KERN_DEBUG "foo: src=%s dst=%s\n", inet_ntoa(src), inet_ntoa(dst));
>but the inet_ntoa() API doesn't work that way. Providing a buffer to
>that function needs additional code over and over again, and that is
>exactly what such library functions should eliminate.
>The NIPQUAD solution is (a) cumbersome to handle, (b) conceptually
>wrong since an IP address is _one_ item to print, not four, and (c)
>even worse when dealing with IPv6 addresses.
How about letting the user passing in their own buffer?
char *my_inet_ntoa(__u32 a, char result[])
{
/* Do whatever [...] */
return result;
}
Then you can call it with
char s1[16], s2[16];
printk("a1=%s, a2=%s\n", my_inet_ntoa(a1, s1), my_inet_ntoa(a2, s2));
Stephen
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