include cleanups (powered by iwyu)

src/lib/alsa/Version.cxx

@@ -21,6 +21,8 @@
 
 #include <alsa/asoundlib.h>
 
+#include <stdlib.h>
+
 gcc_pure
 static uint_least32_t
 ParseAlsaVersion(const char *p) noexcept

src/lib/curl/Init.cxx

@@ -32,8 +32,6 @@
 #include "event/Call.hxx"
 #include "thread/Mutex.hxx"
 
-#include <atomic>
-
 #include <assert.h>
 
 Mutex CurlInit::mutex;

src/lib/dbus/Connection.hxx

@@ -35,8 +35,7 @@
 
 #include <dbus/dbus.h>
 
-#include <algorithm>
-#include <stdexcept>
+#include <utility>
 
 namespace ODBus {
 

src/lib/dbus/Message.hxx

@@ -35,8 +35,8 @@
 
 #include <dbus/dbus.h>
 
-#include <algorithm>
 #include <stdexcept>
+#include <utility>
 
 namespace ODBus {
 

src/lib/dbus/Watch.hxx

@@ -36,7 +36,6 @@
 #include "Connection.hxx"
 #include "event/SocketMonitor.hxx"
 #include "event/DeferEvent.hxx"
-#include "util/Compiler.h"
 
 #include <dbus/dbus.h>
 

src/lib/ffmpeg/Init.cxx

@@ -37,4 +37,3 @@ FfmpegInit()
 	av_register_all();
 #endif
 }
-

src/lib/ffmpeg/LogCallback.cxx

@@ -30,8 +30,6 @@ extern "C" {
 #include <libavutil/log.h>
 }
 
-#include <stdio.h>
-
 gcc_const
 static LogLevel
 FfmpegImportLogLevel(int level) noexcept

src/lib/gcrypt/MD5.cxx

@@ -31,8 +31,6 @@
 #include "Hash.hxx"
 #include "util/HexFormat.hxx"
 
-#include <stdio.h>
-
 std::array<uint8_t, 16>
 MD5(ConstBuffer<void> input) noexcept
 {

src/lib/nfs/Connection.hxx

@@ -24,6 +24,7 @@
 #include "event/SocketMonitor.hxx"
 #include "event/TimerEvent.hxx"
 #include "event/DeferEvent.hxx"
+#include "util/Compiler.h"
 
 #include <string>
 #include <list>

src/lib/pcre/UniqueRegex.hxx

@@ -34,9 +34,8 @@
 #define UNIQUE_REGEX_HXX
 
 #include "RegexPointer.hxx"
-#include "util/StringView.hxx"
 
-#include <algorithm>
+#include <utility>
 
 #include <pcre.h>
 

src/lib/sqlite/Util.hxx

@@ -20,6 +20,7 @@
 #ifndef MPD_SQLITE_UTIL_HXX
 #define MPD_SQLITE_UTIL_HXX
 
+#include "util/Compiler.h"
 #include "Error.hxx"
 
 #include <sqlite3.h>

src/lib/upnp/ContentDirectoryService.cxx

@@ -21,11 +21,12 @@
 #include "UniqueIxml.hxx"
 #include "Device.hxx"
 #include "ixmlwrap.hxx"
-#include "Action.hxx"
 #include "util/UriUtil.hxx"
 #include "util/RuntimeError.hxx"
 #include "util/SplitString.hxx"
 
+#include <upnptools.h>
+
 ContentDirectoryService::ContentDirectoryService(const UPnPDevice &device,
 						 const UPnPService &service) noexcept
 	:m_actionURL(uri_apply_base(service.controlURL, device.URLBase)),

src/lib/upnp/Discovery.hxx

@@ -28,7 +28,6 @@
 #include "lib/curl/Request.hxx"
 #include "thread/Mutex.hxx"
 #include "event/DeferEvent.hxx"
-#include "util/Compiler.h"
 
 #include <upnp.h>
 
@@ -37,7 +36,6 @@
 #include <list>
 #include <vector>
 #include <string>
-#include <memory>
 #include <chrono>
 
 #if UPNP_VERSION < 10800

src/lib/upnp/Util.cxx

@@ -19,8 +19,6 @@
 
 #include "Util.hxx"
 
-#include <assert.h>
-
 /** Get rid of white space at both ends */
 void
 trimstring(std::string &s, const char *ws) noexcept

src/lib/upnp/ixmlwrap.hxx

@@ -19,8 +19,6 @@
 
 #include <ixml.h>
 
-#include <string>
-
 namespace ixmlwrap {
 	/**
 	 * Retrieve the text content for the first element of given

src/lib/xiph/FlacIOHandle.hxx

@@ -20,7 +20,6 @@
 #ifndef MPD_FLAC_IO_HANDLE_HXX
 #define MPD_FLAC_IO_HANDLE_HXX
 
-#include "util/Compiler.h"
 #include "input/InputStream.hxx"
 
 #include <FLAC/callback.h>

src/lib/xiph/FlacStreamMetadata.hxx

@@ -20,7 +20,7 @@
 #ifndef MPD_FLAC_STREAM_METADATA_HXX
 #define MPD_FLAC_STREAM_METADATA_HXX
 
-#include <FLAC/metadata.h>
+#include <FLAC/format.h>
 
 class TagHandler;
 class MixRampInfo;

src/lib/xiph/OggVisitor.hxx

@@ -25,8 +25,6 @@
 
 #include <ogg/ogg.h>
 
-#include <stddef.h>
-
 class Reader;
 
 /**