MINOR: tools: Add a function to convert buffer to an ipv6 address
The inet_pton function needs an input string with a final \0. This
function copies the input string to a temporary buffer, adds the final
\0 and converts to address.
diff --git a/src/standard.c b/src/standard.c
index 9f7f939..41359c9 100644
--- a/src/standard.c
+++ b/src/standard.c
@@ -1625,6 +1625,27 @@
return addr - cp;
}
+/* This function converts the string in <buf> of the len <len> to
+ * struct in6_addr <dst> which must be allocated by the caller.
+ * This function returns 1 in success case, otherwise zero.
+ */
+#define MAX_IP6_LEN 45
+int buf2ip6(const char *buf, size_t len, struct in6_addr *dst)
+{
+ char null_term_ip6[MAX_IP6_LEN + 1];
+
+ if (len > MAX_IP6_LEN)
+ return 0;
+
+ memcpy(null_term_ip6, buf, len);
+ null_term_ip6[len] = '\0';
+
+ if (!inet_pton(AF_INET6, null_term_ip6, dst))
+ return 0;
+
+ return 1;
+}
+
/* To be used to quote config arg positions. Returns the short string at <ptr>
* surrounded by simple quotes if <ptr> is valid and non-empty, or "end of line"
* if ptr is NULL or empty. The string is locally allocated.