epan/to_str: change MAX_BYTE_STR_LEN from 48 to 72

We want things like aes-256 keys to be displayed completely.

Change-Id: I746f3282440c036cfb60263be40e3b3a6ed859c2
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-on: https://code.wireshark.org/review/35703


Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>

epan/to_str.c

@@ -171,7 +171,7 @@ bytes_to_hexstr_punct(char *out, const guint8 *ad, guint32 len, char punct)
 }
 
 /* Max string length for displaying byte string.  */
-#define	MAX_BYTE_STR_LEN	48
+#define	MAX_BYTE_STR_LEN	72
 
 /* Routine to convert a sequence of bytes to a hex string, one byte/two hex
  * digits at at a time, with a specified punctuation character between

test/suite_sharkd.py

@@ -338,7 +338,7 @@ class case_sharkd(subprocesstest.SubprocessTestCase):
                     "f": "dhcp",
                     "e": MatchAny(int),
                     "n": MatchList({
-                        "l": "Padding: 000000000000000000000000000000000000000000000000…",
+                        "l": "Padding: 0000000000000000000000000000000000000000000000000000",
                         "h": [316, 26],
                         "f": "dhcp.option.padding == 00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00"
                     }, match_element=any),  # match one element from 'n'