From a85cdb2d1a721a02ef4104f9e6ef5488b0539a15 Mon Sep 17 00:00:00 2001
From: Arvid Norberg <arvid@libtorrent.org>
Date: Fri, 20 Dec 2013 04:40:00 +0000
Subject: [PATCH] abbreviate long strings when printing lazy_entries on a
 single line

---
 src/lazy_bdecode.cpp | 37 ++++++++++++++++++++++++++++++++-----
 1 file changed, 32 insertions(+), 5 deletions(-)

diff --git a/src/lazy_bdecode.cpp b/src/lazy_bdecode.cpp
index 7861a9619..b0a40c0d9 100644
--- a/src/lazy_bdecode.cpp
+++ b/src/lazy_bdecode.cpp
@@ -506,15 +506,42 @@ namespace libtorrent
 				ret += "'";
 				if (printable)
 				{
-					ret += e.string_value();
+					if (single_line && e.string_length() > 30)
+					{
+						ret.append(e.string_ptr(), 14);
+						ret += "...";
+						ret.append(e.string_ptr() + e.string_length()-14, 14);
+					}
+					else
+						ret.append(e.string_ptr(), e.string_length());
 					ret += "'";
 					return ret;
 				}
-				for (int i = 0; i < e.string_length(); ++i)
+				if (single_line && e.string_length() > 20)
 				{
-					char tmp[5];
-					snprintf(tmp, sizeof(tmp), "%02x", (unsigned char)str[i]);
-					ret += tmp;
+					for (int i = 0; i < 9; ++i)
+					{
+						char tmp[5];
+						snprintf(tmp, sizeof(tmp), "%02x", (unsigned char)str[i]);
+						ret += tmp;
+					}
+					ret += "...";
+					for (int i = e.string_length() - 9
+						, len(e.string_length()); i < len; ++i)
+					{
+						char tmp[5];
+						snprintf(tmp, sizeof(tmp), "%02x", (unsigned char)str[i]);
+						ret += tmp;
+					}
+				}
+				else
+				{
+					for (int i = 0; i < e.string_length(); ++i)
+					{
+						char tmp[5];
+						snprintf(tmp, sizeof(tmp), "%02x", (unsigned char)str[i]);
+						ret += tmp;
+					}
 				}
 				ret += "'";
 				return ret;