Format all code with clang-format

3 files changed, 263 insertions, 268 deletions

diff --git a/lv2/core/attributes.h b/lv2/core/attributes.h
index 672d716..0281d97 100644
--- a/lv2/core/attributes.h
+++ b/lv2/core/attributes.h
@@ -27,29 +27,29 @@
 */
 
 #if defined(__GNUC__) && __GNUC__ > 3
-#define LV2_DEPRECATED __attribute__((__deprecated__))
+#  define LV2_DEPRECATED __attribute__((__deprecated__))
 #else
-#define LV2_DEPRECATED
+#  define LV2_DEPRECATED
 #endif
 
 #if defined(__clang__)
-#define LV2_DISABLE_DEPRECATION_WARNINGS \
-	_Pragma("clang diagnostic push") \
-	_Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"")
+#  define LV2_DISABLE_DEPRECATION_WARNINGS \
+    _Pragma("clang diagnostic push")       \
+      _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"")
 #elif defined(__GNUC__) && __GNUC__ > 4
-#define LV2_DISABLE_DEPRECATION_WARNINGS \
-	_Pragma("GCC diagnostic push") \
-	_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
+#  define LV2_DISABLE_DEPRECATION_WARNINGS \
+    _Pragma("GCC diagnostic push")         \
+      _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
 #else
-#define LV2_DISABLE_DEPRECATION_WARNINGS
+#  define LV2_DISABLE_DEPRECATION_WARNINGS
 #endif
 
 #if defined(__clang__)
-#define LV2_RESTORE_WARNINGS _Pragma("clang diagnostic pop")
+#  define LV2_RESTORE_WARNINGS _Pragma("clang diagnostic pop")
 #elif defined(__GNUC__) && __GNUC__ > 4
-#define LV2_RESTORE_WARNINGS _Pragma("GCC diagnostic pop")
+#  define LV2_RESTORE_WARNINGS _Pragma("GCC diagnostic pop")
 #else
-#define LV2_RESTORE_WARNINGS
+#  define LV2_RESTORE_WARNINGS
 #endif
 
 /**
diff --git a/lv2/core/lv2.h b/lv2/core/lv2.h
index c0376e9..82bc7ab 100644
--- a/lv2/core/lv2.h
+++ b/lv2/core/lv2.h
@@ -144,7 +144,7 @@ extern "C" {
    compare to NULL (or 0 for C++) but otherwise the host MUST NOT attempt to
    interpret it.
 */
-typedef void * LV2_Handle;
+typedef void* LV2_Handle;
 
 /**
    Feature.
@@ -155,20 +155,20 @@ typedef void * LV2_Handle;
    Some features, such as lv2:isLive, do not require the host to pass data.
 */
 typedef struct {
-	/**
-	   A globally unique, case-sensitive identifier (URI) for this feature.
+  /**
+     A globally unique, case-sensitive identifier (URI) for this feature.
 
-	   This MUST be a valid URI string as defined by RFC 3986.
-	*/
-	const char * URI;
+     This MUST be a valid URI string as defined by RFC 3986.
+  */
+  const char* URI;
 
-	/**
-	   Pointer to arbitrary data.
+  /**
+     Pointer to arbitrary data.
 
-	   The format of this data is defined by the extension which describes the
-	   feature with the given `URI`.
-	*/
-	void * data;
+     The format of this data is defined by the extension which describes the
+     feature with the given `URI`.
+  */
+  void* data;
 } LV2_Feature;
 
 /**
@@ -178,190 +178,187 @@ typedef struct {
    a plugin.
 */
 typedef struct LV2_Descriptor {
-	/**
-	   A globally unique, case-sensitive identifier for this plugin.
-
-	   This MUST be a valid URI string as defined by RFC 3986.  All plugins with
-	   the same URI MUST be compatible to some degree, see
-	   http://lv2plug.in/ns/lv2core for details.
-	*/
-	const char * URI;
-
-	/**
-	   Instantiate the plugin.
-
-	   Note that instance initialisation should generally occur in activate()
-	   rather than here. If a host calls instantiate(), it MUST call cleanup()
-	   at some point in the future.
-
-	   @param descriptor Descriptor of the plugin to instantiate.
-
-	   @param sample_rate Sample rate, in Hz, for the new plugin instance.
-
-	   @param bundle_path Path to the LV2 bundle which contains this plugin
-	   binary. It MUST include the trailing directory separator so that simply
-	   appending a filename will yield the path to that file in the bundle.
-
-	   @param features A NULL terminated array of LV2_Feature structs which
-	   represent the features the host supports. Plugins may refuse to
-	   instantiate if required features are not found here. However, hosts MUST
-	   NOT use this as a discovery mechanism: instead, use the RDF data to
-	   determine which features are required and do not attempt to instantiate
-	   unsupported plugins at all. This parameter MUST NOT be NULL, i.e. a host
-	   that supports no features MUST pass a single element array containing
-	   NULL.
-
-	   @return A handle for the new plugin instance, or NULL if instantiation
-	   has failed.
-	*/
-	LV2_Handle (*instantiate)(const struct LV2_Descriptor * descriptor,
-	                          double                        sample_rate,
-	                          const char *                  bundle_path,
-	                          const LV2_Feature *const *    features);
-
-	/**
-	   Connect a port on a plugin instance to a memory location.
-
-	   Plugin writers should be aware that the host may elect to use the same
-	   buffer for more than one port and even use the same buffer for both
-	   input and output (see lv2:inPlaceBroken in lv2.ttl).
-
-	   If the plugin has the feature lv2:hardRTCapable then there are various
-	   things that the plugin MUST NOT do within the connect_port() function;
-	   see lv2core.ttl for details.
-
-	   connect_port() MUST be called at least once for each port before run()
-	   is called, unless that port is lv2:connectionOptional. The plugin must
-	   pay careful attention to the block size passed to run() since the block
-	   allocated may only just be large enough to contain the data, and is not
-	   guaranteed to remain constant between run() calls.
-
-	   connect_port() may be called more than once for a plugin instance to
-	   allow the host to change the buffers that the plugin is reading or
-	   writing. These calls may be made before or after activate() or
-	   deactivate() calls.
-
-	   @param instance Plugin instance containing the port.
-
-	   @param port Index of the port to connect. The host MUST NOT try to
-	   connect a port index that is not defined in the plugin's RDF data. If
-	   it does, the plugin's behaviour is undefined (a crash is likely).
-
-	   @param data_location Pointer to data of the type defined by the port
-	   type in the plugin's RDF data (for example, an array of float for an
-	   lv2:AudioPort). This pointer must be stored by the plugin instance and
-	   used to read/write data when run() is called. Data present at the time
-	   of the connect_port() call MUST NOT be considered meaningful.
-	*/
-	void (*connect_port)(LV2_Handle instance,
-	                     uint32_t   port,
-	                     void *     data_location);
-
-	/**
-	   Initialise a plugin instance and activate it for use.
-
-	   This is separated from instantiate() to aid real-time support and so
-	   that hosts can reinitialise a plugin instance by calling deactivate()
-	   and then activate(). In this case the plugin instance MUST reset all
-	   state information dependent on the history of the plugin instance except
-	   for any data locations provided by connect_port(). If there is nothing
-	   for activate() to do then this field may be NULL.
-
-	   When present, hosts MUST call this function once before run() is called
-	   for the first time. This call SHOULD be made as close to the run() call
-	   as possible and indicates to real-time plugins that they are now live,
-	   however plugins MUST NOT rely on a prompt call to run() after
-	   activate().
-
-	   The host MUST NOT call activate() again until deactivate() has been
-	   called first. If a host calls activate(), it MUST call deactivate() at
-	   some point in the future. Note that connect_port() may be called before
-	   or after activate().
-	*/
-	void (*activate)(LV2_Handle instance);
-
-	/**
-	   Run a plugin instance for a block.
-
-	   Note that if an activate() function exists then it must be called before
-	   run(). If deactivate() is called for a plugin instance then run() may
-	   not be called until activate() has been called again.
-
-	   If the plugin has the feature lv2:hardRTCapable then there are various
-	   things that the plugin MUST NOT do within the run() function (see
-	   lv2core.ttl for details).
-
-	   As a special case, when `sample_count` is 0, the plugin should update
-	   any output ports that represent a single instant in time (for example,
-	   control ports, but not audio ports). This is particularly useful for
-	   latent plugins, which should update their latency output port so hosts
-	   can pre-roll plugins to compute latency. Plugins MUST NOT crash when
-	   `sample_count` is 0.
-
-	   @param instance Instance to be run.
-
-	   @param sample_count The block size (in samples) for which the plugin
-	   instance must run.
-	*/
-	void (*run)(LV2_Handle instance,
-	            uint32_t   sample_count);
-
-	/**
-	   Deactivate a plugin instance (counterpart to activate()).
-
-	   Hosts MUST deactivate all activated instances after they have been run()
-	   for the last time. This call SHOULD be made as close to the last run()
-	   call as possible and indicates to real-time plugins that they are no
-	   longer live, however plugins MUST NOT rely on prompt deactivation. If
-	   there is nothing for deactivate() to do then this field may be NULL
-
-	   Deactivation is not similar to pausing since the plugin instance will be
-	   reinitialised by activate(). However, deactivate() itself MUST NOT fully
-	   reset plugin state. For example, the host may deactivate a plugin, then
-	   store its state (using some extension to do so).
-
-	   Hosts MUST NOT call deactivate() unless activate() was previously
-	   called. Note that connect_port() may be called before or after
-	   deactivate().
-	*/
-	void (*deactivate)(LV2_Handle instance);
-
-	/**
-	   Clean up a plugin instance (counterpart to instantiate()).
-
-	   Once an instance of a plugin has been finished with it must be deleted
-	   using this function. The instance handle passed ceases to be valid after
-	   this call.
-
-	   If activate() was called for a plugin instance then a corresponding call
-	   to deactivate() MUST be made before cleanup() is called. Hosts MUST NOT
-	   call cleanup() unless instantiate() was previously called.
-	*/
-	void (*cleanup)(LV2_Handle instance);
-
-	/**
-	   Return additional plugin data defined by some extenion.
-
-	   A typical use of this facility is to return a struct containing function
-	   pointers to extend the LV2_Descriptor API.
-
-	   The actual type and meaning of the returned object MUST be specified
-	   precisely by the extension. This function MUST return NULL for any
-	   unsupported URI. If a plugin does not support any extension data, this
-	   field may be NULL.
-
-	   The host is never responsible for freeing the returned value.
-	*/
-	const void * (*extension_data)(const char * uri);
+  /**
+     A globally unique, case-sensitive identifier for this plugin.
+
+     This MUST be a valid URI string as defined by RFC 3986.  All plugins with
+     the same URI MUST be compatible to some degree, see
+     http://lv2plug.in/ns/lv2core for details.
+  */
+  const char* URI;
+
+  /**
+     Instantiate the plugin.
+
+     Note that instance initialisation should generally occur in activate()
+     rather than here. If a host calls instantiate(), it MUST call cleanup()
+     at some point in the future.
+
+     @param descriptor Descriptor of the plugin to instantiate.
+
+     @param sample_rate Sample rate, in Hz, for the new plugin instance.
+
+     @param bundle_path Path to the LV2 bundle which contains this plugin
+     binary. It MUST include the trailing directory separator so that simply
+     appending a filename will yield the path to that file in the bundle.
+
+     @param features A NULL terminated array of LV2_Feature structs which
+     represent the features the host supports. Plugins may refuse to
+     instantiate if required features are not found here. However, hosts MUST
+     NOT use this as a discovery mechanism: instead, use the RDF data to
+     determine which features are required and do not attempt to instantiate
+     unsupported plugins at all. This parameter MUST NOT be NULL, i.e. a host
+     that supports no features MUST pass a single element array containing
+     NULL.
+
+     @return A handle for the new plugin instance, or NULL if instantiation
+     has failed.
+  */
+  LV2_Handle (*instantiate)(const struct LV2_Descriptor* descriptor,
+                            double                       sample_rate,
+                            const char*                  bundle_path,
+                            const LV2_Feature* const*    features);
+
+  /**
+     Connect a port on a plugin instance to a memory location.
+
+     Plugin writers should be aware that the host may elect to use the same
+     buffer for more than one port and even use the same buffer for both
+     input and output (see lv2:inPlaceBroken in lv2.ttl).
+
+     If the plugin has the feature lv2:hardRTCapable then there are various
+     things that the plugin MUST NOT do within the connect_port() function;
+     see lv2core.ttl for details.
+
+     connect_port() MUST be called at least once for each port before run()
+     is called, unless that port is lv2:connectionOptional. The plugin must
+     pay careful attention to the block size passed to run() since the block
+     allocated may only just be large enough to contain the data, and is not
+     guaranteed to remain constant between run() calls.
+
+     connect_port() may be called more than once for a plugin instance to
+     allow the host to change the buffers that the plugin is reading or
+     writing. These calls may be made before or after activate() or
+     deactivate() calls.
+
+     @param instance Plugin instance containing the port.
+
+     @param port Index of the port to connect. The host MUST NOT try to
+     connect a port index that is not defined in the plugin's RDF data. If
+     it does, the plugin's behaviour is undefined (a crash is likely).
+
+     @param data_location Pointer to data of the type defined by the port
+     type in the plugin's RDF data (for example, an array of float for an
+     lv2:AudioPort). This pointer must be stored by the plugin instance and
+     used to read/write data when run() is called. Data present at the time
+     of the connect_port() call MUST NOT be considered meaningful.
+  */
+  void (*connect_port)(LV2_Handle instance, uint32_t port, void* data_location);
+
+  /**
+     Initialise a plugin instance and activate it for use.
+
+     This is separated from instantiate() to aid real-time support and so
+     that hosts can reinitialise a plugin instance by calling deactivate()
+     and then activate(). In this case the plugin instance MUST reset all
+     state information dependent on the history of the plugin instance except
+     for any data locations provided by connect_port(). If there is nothing
+     for activate() to do then this field may be NULL.
+
+     When present, hosts MUST call this function once before run() is called
+     for the first time. This call SHOULD be made as close to the run() call
+     as possible and indicates to real-time plugins that they are now live,
+     however plugins MUST NOT rely on a prompt call to run() after
+     activate().
+
+     The host MUST NOT call activate() again until deactivate() has been
+     called first. If a host calls activate(), it MUST call deactivate() at
+     some point in the future. Note that connect_port() may be called before
+     or after activate().
+  */
+  void (*activate)(LV2_Handle instance);
+
+  /**
+     Run a plugin instance for a block.
+
+     Note that if an activate() function exists then it must be called before
+     run(). If deactivate() is called for a plugin instance then run() may
+     not be called until activate() has been called again.
+
+     If the plugin has the feature lv2:hardRTCapable then there are various
+     things that the plugin MUST NOT do within the run() function (see
+     lv2core.ttl for details).
+
+     As a special case, when `sample_count` is 0, the plugin should update
+     any output ports that represent a single instant in time (for example,
+     control ports, but not audio ports). This is particularly useful for
+     latent plugins, which should update their latency output port so hosts
+     can pre-roll plugins to compute latency. Plugins MUST NOT crash when
+     `sample_count` is 0.
+
+     @param instance Instance to be run.
+
+     @param sample_count The block size (in samples) for which the plugin
+     instance must run.
+  */
+  void (*run)(LV2_Handle instance, uint32_t sample_count);
+
+  /**
+     Deactivate a plugin instance (counterpart to activate()).
+
+     Hosts MUST deactivate all activated instances after they have been run()
+     for the last time. This call SHOULD be made as close to the last run()
+     call as possible and indicates to real-time plugins that they are no
+     longer live, however plugins MUST NOT rely on prompt deactivation. If
+     there is nothing for deactivate() to do then this field may be NULL
+
+     Deactivation is not similar to pausing since the plugin instance will be
+     reinitialised by activate(). However, deactivate() itself MUST NOT fully
+     reset plugin state. For example, the host may deactivate a plugin, then
+     store its state (using some extension to do so).
+
+     Hosts MUST NOT call deactivate() unless activate() was previously
+     called. Note that connect_port() may be called before or after
+     deactivate().
+  */
+  void (*deactivate)(LV2_Handle instance);
+
+  /**
+     Clean up a plugin instance (counterpart to instantiate()).
+
+     Once an instance of a plugin has been finished with it must be deleted
+     using this function. The instance handle passed ceases to be valid after
+     this call.
+
+     If activate() was called for a plugin instance then a corresponding call
+     to deactivate() MUST be made before cleanup() is called. Hosts MUST NOT
+     call cleanup() unless instantiate() was previously called.
+  */
+  void (*cleanup)(LV2_Handle instance);
+
+  /**
+     Return additional plugin data defined by some extenion.
+
+     A typical use of this facility is to return a struct containing function
+     pointers to extend the LV2_Descriptor API.
+
+     The actual type and meaning of the returned object MUST be specified
+     precisely by the extension. This function MUST return NULL for any
+     unsupported URI. If a plugin does not support any extension data, this
+     field may be NULL.
+
+     The host is never responsible for freeing the returned value.
+  */
+  const void* (*extension_data)(const char* uri);
 } LV2_Descriptor;
 
 /**
    Helper macro needed for LV2_SYMBOL_EXPORT when using C++.
 */
 #ifdef __cplusplus
-#    define LV2_SYMBOL_EXTERN extern "C"
+#  define LV2_SYMBOL_EXTERN extern "C"
 #else
-#    define LV2_SYMBOL_EXTERN
+#  define LV2_SYMBOL_EXTERN
 #endif
 
 /**
@@ -369,9 +366,10 @@ typedef struct LV2_Descriptor {
    by the host as a symbol from the dynamic library.
 */
 #ifdef _WIN32
-#    define LV2_SYMBOL_EXPORT LV2_SYMBOL_EXTERN __declspec(dllexport)
+#  define LV2_SYMBOL_EXPORT LV2_SYMBOL_EXTERN __declspec(dllexport)
 #else
-#    define LV2_SYMBOL_EXPORT LV2_SYMBOL_EXTERN __attribute__((visibility("default")))
+#  define LV2_SYMBOL_EXPORT \
+    LV2_SYMBOL_EXTERN __attribute__((visibility("default")))
 #endif
 
 /**
@@ -398,13 +396,13 @@ typedef struct LV2_Descriptor {
    consistent between loads of the plugin library.
 */
 LV2_SYMBOL_EXPORT
-const LV2_Descriptor * lv2_descriptor(uint32_t index);
+const LV2_Descriptor*
+lv2_descriptor(uint32_t index);
 
 /**
    Type of the lv2_descriptor() function in a library (old discovery API).
 */
-typedef const LV2_Descriptor *
-(*LV2_Descriptor_Function)(uint32_t index);
+typedef const LV2_Descriptor* (*LV2_Descriptor_Function)(uint32_t index);
 
 /**
    Handle for a library descriptor.
@@ -418,34 +416,33 @@ typedef void* LV2_Lib_Handle;
    lv2_lib_descriptor() function in the shared object.
 */
 typedef struct {
-	/**
-	   Opaque library data which must be passed as the first parameter to all
-	   the methods of this struct.
-	*/
-	LV2_Lib_Handle handle;
-
-	/**
-	   The total size of this struct.  This allows for this struct to be
-	   expanded in the future if necessary.  This MUST be set by the library to
-	   sizeof(LV2_Lib_Descriptor).  The host MUST NOT access any fields of this
-	   struct beyond get_plugin() unless this field indicates they are present.
-	*/
-	uint32_t size;
-
-	/**
-	   Destroy this library descriptor and free all related resources.
-	*/
-	void (*cleanup)(LV2_Lib_Handle handle);
-
-	/**
-	   Plugin accessor.
-
-	   Plugins are accessed by index using values from 0 upwards.  Out of range
-	   indices MUST result in this function returning NULL, so the host can
-	   enumerate plugins by increasing `index` until NULL is returned.
-	*/
-	const LV2_Descriptor * (*get_plugin)(LV2_Lib_Handle handle,
-	                                     uint32_t       index);
+  /**
+     Opaque library data which must be passed as the first parameter to all
+     the methods of this struct.
+  */
+  LV2_Lib_Handle handle;
+
+  /**
+     The total size of this struct.  This allows for this struct to be
+     expanded in the future if necessary.  This MUST be set by the library to
+     sizeof(LV2_Lib_Descriptor).  The host MUST NOT access any fields of this
+     struct beyond get_plugin() unless this field indicates they are present.
+  */
+  uint32_t size;
+
+  /**
+     Destroy this library descriptor and free all related resources.
+  */
+  void (*cleanup)(LV2_Lib_Handle handle);
+
+  /**
+     Plugin accessor.
+
+     Plugins are accessed by index using values from 0 upwards.  Out of range
+     indices MUST result in this function returning NULL, so the host can
+     enumerate plugins by increasing `index` until NULL is returned.
+  */
+  const LV2_Descriptor* (*get_plugin)(LV2_Lib_Handle handle, uint32_t index);
 } LV2_Lib_Descriptor;
 
 /**
@@ -465,16 +462,15 @@ typedef struct {
    from that library have been destroyed.
 */
 LV2_SYMBOL_EXPORT
-const LV2_Lib_Descriptor *
-lv2_lib_descriptor(const char *               bundle_path,
-                   const LV2_Feature *const * features);
+const LV2_Lib_Descriptor*
+lv2_lib_descriptor(const char* bundle_path, const LV2_Feature* const* features);
 
 /**
    Type of the lv2_lib_descriptor() function in an LV2 library.
 */
-typedef const LV2_Lib_Descriptor *
-(*LV2_Lib_Descriptor_Function)(const char *               bundle_path,
-                               const LV2_Feature *const * features);
+typedef const LV2_Lib_Descriptor* (*LV2_Lib_Descriptor_Function)(
+  const char*               bundle_path,
+  const LV2_Feature* const* features);
 
 #ifdef __cplusplus
 } /* extern "C" */
diff --git a/lv2/core/lv2_util.h b/lv2/core/lv2_util.h
index 0269c70..0301c77 100644
--- a/lv2/core/lv2_util.h
+++ b/lv2/core/lv2_util.h
@@ -38,17 +38,16 @@ extern "C" {
    present but have NULL data.
 */
 static inline void*
-lv2_features_data(const LV2_Feature*const* features,
-                  const char* const        uri)
+lv2_features_data(const LV2_Feature* const* features, const char* const uri)
 {
-	if (features) {
-		for (const LV2_Feature*const* f = features; *f; ++f) {
-			if (!strcmp(uri, (*f)->URI)) {
-				return (*f)->data;
-			}
-		}
-	}
-	return NULL;
+  if (features) {
+    for (const LV2_Feature* const* f = features; *f; ++f) {
+      if (!strcmp(uri, (*f)->URI)) {
+        return (*f)->data;
+      }
+    }
+  }
+  return NULL;
 }
 
 /**
@@ -76,27 +75,27 @@ lv2_features_data(const LV2_Feature*const* features,
 static inline const char*
 lv2_features_query(const LV2_Feature* const* features, ...)
 {
-	va_list args;
-	va_start(args, features);
-
-	const char* uri = NULL;
-	while ((uri = va_arg(args, const char*))) {
-		void** data     = va_arg(args, void**);
-		bool   required = va_arg(args, int);
-
-		*data = lv2_features_data(features, uri);
-		if (required && !*data) {
-			va_end(args);
-			return uri;
-		}
-	}
-
-	va_end(args);
-	return NULL;
+  va_list args;
+  va_start(args, features);
+
+  const char* uri = NULL;
+  while ((uri = va_arg(args, const char*))) {
+    void** data     = va_arg(args, void**);
+    bool   required = va_arg(args, int);
+
+    *data = lv2_features_data(features, uri);
+    if (required && !*data) {
+      va_end(args);
+      return uri;
+    }
+  }
+
+  va_end(args);
+  return NULL;
 }
 
 #ifdef __cplusplus
-}  /* extern "C" */
+} /* extern "C" */
 #endif
 
 /**