lib: make prefix2str simpler to use, and use it in zclient
Returning the buffer allows using it in the logging functions
in easier way. This also makes the API consistent with sockunion.
Add also PREFIX_STRLEN to be the generic buffer length required
for any prefix string representation.
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
diff --git a/lib/prefix.h b/lib/prefix.h
index 404a63a..bc8aebc 100644
--- a/lib/prefix.h
+++ b/lib/prefix.h
@@ -129,6 +129,9 @@
#define INET6_BUFSIZ 51
#endif /* INET6_BUFSIZ */
+/* Maximum prefix string length (IPv6) */
+#define PREFIX_STRLEN 51
+
/* Max bit/byte length of IPv4 address. */
#define IPV4_MAX_BYTELEN 4
#define IPV4_MAX_BITLEN 32
@@ -179,7 +182,7 @@
extern const char *prefix_family_str (const struct prefix *);
extern int prefix_blen (const struct prefix *);
extern int str2prefix (const char *, struct prefix *);
-extern int prefix2str (const struct prefix *, char *, int);
+extern const char *prefix2str (union prefix46constptr, char *, int);
extern int prefix_match (const struct prefix *, const struct prefix *);
extern int prefix_same (const struct prefix *, const struct prefix *);
extern int prefix_cmp (const struct prefix *, const struct prefix *);