Introduce ip6_to_str_buf_len (little cleaner version of inet_ntop6 from wsutil/inet_ntop.c)

and use it instead of inet_ntop(AF_INET6, ...)

- Add MAX_IP6_STR_LEN define.
- use MAX_IP6_STR_LEN as a buffer size when ip6_to_str_buf() is used.

svn path=/trunk/; revision=37000

1 files changed, 16 insertions, 0 deletions

diff --git a/epan/to_str.c b/epan/to_str.c
index 8afa03eec4..ca7152f9c1 100644
--- a/epan/to_str.c
+++ b/epan/to_str.c
@@ -67,6 +67,22 @@ word_to_hex(char *out, guint16 word) {
 }
 
 char *
+word_to_hex_npad(char *out, guint16 word) {
+  static const gchar hex_digits[16] =
+      { '0', '1', '2', '3', '4', '5', '6', '7',
+        '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
+
+	if (word >= 0x1000)
+		*out++ = hex_digits[(word >> 12) & 0xF];
+	if (word >= 0x0100)
+		*out++ = hex_digits[(word >> 8) & 0xF];
+	if (word >= 0x0010)
+		*out++ = hex_digits[(word >> 4) & 0xF];
+	*out++ = hex_digits[word & 0xF];
+	return out;
+}
+
+char *
 dword_to_hex(char *out, guint32 dword) {
   out = byte_to_hex(out, dword >> 24);
   out = byte_to_hex(out, dword >> 16);