From e16fd4a09b7af5dc1501e996573881f4b3975d67 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Thu, 26 Jul 2018 18:18:10 +0200
Subject: [PATCH] input/qobuz: initialize the libgcrypt library

---
 Makefile.am                            |  1 +
 src/input/plugins/QobuzInputPlugin.cxx |  3 ++
 src/lib/gcrypt/Init.hxx                | 45 ++++++++++++++++++++++++++
 3 files changed, 49 insertions(+)
 create mode 100644 src/lib/gcrypt/Init.hxx

diff --git a/Makefile.am b/Makefile.am
index e4ac81967..e56119de4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1462,6 +1462,7 @@ libinput_a_SOURCES += \
 	$(YAJL_SOURCES) \
 	src/lib/gcrypt/MD5.cxx src/lib/gcrypt/MD5.hxx \
 	src/lib/gcrypt/Hash.hxx \
+	src/lib/gcrypt/Init.hxx \
 	src/input/plugins/QobuzSession.hxx \
 	src/input/plugins/QobuzClient.cxx src/input/plugins/QobuzClient.hxx \
 	src/input/plugins/QobuzErrorParser.cxx src/input/plugins/QobuzErrorParser.hxx \
diff --git a/src/input/plugins/QobuzInputPlugin.cxx b/src/input/plugins/QobuzInputPlugin.cxx
index 44bc5819b..29723b24a 100644
--- a/src/input/plugins/QobuzInputPlugin.cxx
+++ b/src/input/plugins/QobuzInputPlugin.cxx
@@ -28,6 +28,7 @@
 #include "input/FailingInputStream.hxx"
 #include "input/InputPlugin.hxx"
 #include "config/Block.hxx"
+#include "lib/gcrypt/Init.hxx"
 #include "thread/Mutex.hxx"
 #include "util/StringCompare.hxx"
 
@@ -126,6 +127,8 @@ QobuzInputStream::OnQobuzTrackError(std::exception_ptr e) noexcept
 static void
 InitQobuzInput(EventLoop &event_loop, const ConfigBlock &block)
 {
+	Gcrypt::Init();
+
 	const char *base_url = block.GetBlockValue("base_url",
 						   "http://www.qobuz.com/api.json/0.2/");
 
diff --git a/src/lib/gcrypt/Init.hxx b/src/lib/gcrypt/Init.hxx
new file mode 100644
index 000000000..1d9bef6ab
--- /dev/null
+++ b/src/lib/gcrypt/Init.hxx
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2018 Max Kellermann <max.kellermann@gmail.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
+ * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef GCRYPT_INIT_HXX
+#define GCRYPT_INIT_HXX
+
+#include <gcrypt.h>
+
+namespace Gcrypt {
+
+inline void
+Init() noexcept
+{
+	gcry_check_version(GCRYPT_VERSION);
+}
+
+} /* namespace Gcrypt */
+
+#endif