On 06/28/2013 05:44 PM, Joe Perches wrote:
On Fri, 2013-06-28 at 14:05 +0200, Daniel Borkmann wrote:
In order to avoid making code that deals with printing both, IPv4 and
IPv6 addresses, unnecessary complicated as for example ...
Thanks Daniel, seems sensible. Just trivial comments...
Ok, thanks.
[]
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
[]
Should any other include other than net/addrconf be needed?
I'm not sure I understand this question.
+char *ip6_addr_string_sa(char *buf, char *end, const struct sockaddr_in6 *sa,
+ struct printf_spec spec, const char *fmt)
+{
[]
+ char fmt6[2] = { fmt[0], '6'};
This looks odd to me. why not use a bool compressed
flag and identify this before the isalpha loop and not
have fmt6 at all?
Well, we have a bool called 'have_c' that identifies if 'c' was specified. To have
the same behaviour as with %pI6, this is used to create a temporary fmt that we then
can pass to ip6_string(). If you look at ip6_addr_string(), it's done the same way,
and by that, we stay compatible in behaviour.
+ u8 off = 0;
+
+ fmt++;
+ while (isalpha(*++fmt)) {
+ switch (*fmt) {
+ case 'p':
+ have_p = true;
+ break;
+ case 'f':
+ have_f = true;
+ break;
+ case 's':
+ have_s = true;
+ break;
+ case 'c':
+ have_c = true;
+ break;
+ }
+ }
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