From 24ea524731843f605f06f1928b190558baf1a697 Mon Sep 17 00:00:00 2001
From: Arvid Norberg <arvid@libtorrent.org>
Date: Fri, 19 Jul 2013 22:47:17 +0000
Subject: [PATCH] is_hex should not be exported

---
 examples/client_test.cpp             | 12 ++++++++++++
 include/libtorrent/escape_string.hpp |  2 +-
 include/libtorrent/string_util.hpp   |  2 +-
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/examples/client_test.cpp b/examples/client_test.cpp
index 22eb53fa5..c2dd6f78f 100644
--- a/examples/client_test.cpp
+++ b/examples/client_test.cpp
@@ -253,6 +253,18 @@ int load_file(std::string const& filename, std::vector<char>& v, libtorrent::err
 	return 0;
 }
 
+bool is_hex(char const *in, int len)
+{
+	for (char const* end = in + len; in < end; ++in)
+	{
+		if (in >= '0' && in <= '9') continue;
+		if (in >= 'A' && in <= 'F') continue;
+		if (in >= 'a' && in <= 'f') continue;
+		return false;
+	}
+	return true;
+}
+
 enum {
 	torrents_all,
 	torrents_downloading,
diff --git a/include/libtorrent/escape_string.hpp b/include/libtorrent/escape_string.hpp
index 2c7175878..1253c56e8 100644
--- a/include/libtorrent/escape_string.hpp
+++ b/include/libtorrent/escape_string.hpp
@@ -71,7 +71,7 @@ namespace libtorrent
 	TORRENT_EXTRA_EXPORT int hex_to_int(char in);
 
 	TORRENT_EXPORT std::string to_hex(std::string const& s);
-	TORRENT_EXPORT bool is_hex(char const *in, int len);
+	TORRENT_EXTRA_EXPORT bool is_hex(char const *in, int len);
 	TORRENT_EXPORT void to_hex(char const *in, int len, char* out);
 	TORRENT_EXPORT bool from_hex(char const *in, int len, char* out);
 
diff --git a/include/libtorrent/string_util.hpp b/include/libtorrent/string_util.hpp
index 3ed17ff5d..916cc159e 100644
--- a/include/libtorrent/string_util.hpp
+++ b/include/libtorrent/string_util.hpp
@@ -38,7 +38,7 @@ POSSIBILITY OF SUCH DAMAGE.
 namespace libtorrent
 {
 	TORRENT_EXTRA_EXPORT bool is_alpha(char c);
-	TORRENT_EXPORT bool is_digit(char c);
+	TORRENT_EXTRA_EXPORT bool is_digit(char c);
 	TORRENT_EXTRA_EXPORT bool is_print(char c);
 	TORRENT_EXTRA_EXPORT bool is_space(char c);
 	TORRENT_EXTRA_EXPORT char to_lower(char c);