Merge branch 'v0.21.x' into master

src/io/FileDescriptor.cxx

@@ -306,6 +306,24 @@ FileDescriptor::FullRead(void *_buffer, size_t length)
 	}
 }
 
+void
+FileDescriptor::FullWrite(const void *_buffer, size_t length)
+{
+	const uint8_t *buffer = (const uint8_t *)_buffer;
+
+	while (length > 0) {
+		ssize_t nbytes = Write(buffer, length);
+		if (nbytes <= 0) {
+			if (nbytes < 0)
+				throw MakeErrno("Failed to write");
+			throw std::runtime_error("Failed to write");
+		}
+
+		buffer += nbytes;
+		length -= nbytes;
+	}
+}
+
 #ifndef _WIN32
 
 int

src/io/FileDescriptor.hxx

@@ -243,6 +243,12 @@ public:
 		return ::write(fd, buffer, length);
 	}
 
+	/**
+	 * Write until all of the given buffer has been written.
+	 * Throws on error.
+	 */
+	void FullWrite(const void *buffer, size_t length);
+
 #ifndef _WIN32
 	int Poll(short events, int timeout) const noexcept;
 

test/dump_playlist.cxx

@@ -41,9 +41,9 @@ static void
 tag_save(FILE *file, const Tag &tag)
 {
 	StdioOutputStream sos(file);
-	BufferedOutputStream bos(sos);
-	tag_save(bos, tag);
-	bos.Flush();
+	WithBufferedOutputStream(sos, [&](auto &bos){
+		tag_save(bos, tag);
+	});
 }
 
 int main(int argc, char **argv)

test/run_filter.cxx

@@ -71,34 +71,6 @@ ReadOrThrow(FileDescriptor fd, void *buffer, size_t size)
 }
 
 static size_t
-WriteOrThrow(FileDescriptor fd, const void *buffer, size_t size)
-{
-	auto nbytes = fd.Write(buffer, size);
-	if (nbytes < 0)
-		throw MakeErrno("Write failed");
-
-	return nbytes;
-}
-
-static void
-FullWrite(FileDescriptor fd, ConstBuffer<uint8_t> src)
-{
-	while (!src.empty()) {
-		size_t nbytes = WriteOrThrow(fd, src.data, src.size);
-		if (nbytes == 0)
-			throw std::runtime_error("Write failed");
-
-		src.skip_front(nbytes);
-	}
-}
-
-static void
-FullWrite(FileDescriptor fd, ConstBuffer<void> src)
-{
-	FullWrite(fd, ConstBuffer<uint8_t>::FromVoid(src));
-}
-
-static size_t
 ReadFrames(FileDescriptor fd, void *_buffer, size_t size, size_t frame_size)
 {
 	auto buffer = (uint8_t *)_buffer;
@@ -166,14 +138,14 @@ try {
 			break;
 
 		auto dest = filter->FilterPCM({(const void *)buffer, (size_t)nbytes});
-		FullWrite(output_fd, dest);
+		output_fd.FullWrite(dest.data, dest.size);
 	}
 
 	while (true) {
 		auto dest = filter->Flush();
 		if (dest.IsNull())
 			break;
-		FullWrite(output_fd, dest);
+		output_fd.FullWrite(dest.data, dest.size);
 	}
 
 	/* cleanup and exit */

test/run_input.cxx

@@ -124,26 +124,26 @@ static void
 tag_save(FILE *file, const Tag &tag)
 {
 	StdioOutputStream sos(file);
-	BufferedOutputStream bos(sos);
-	tag_save(bos, tag);
-	bos.Flush();
+	WithBufferedOutputStream(sos, [&](auto &bos){
+		tag_save(bos, tag);
+	});
 }
 
 static int
-dump_input_stream(InputStream *is)
+dump_input_stream(InputStream &is, FileDescriptor out)
 {
-	std::unique_lock<Mutex> lock(is->mutex);
+	std::unique_lock<Mutex> lock(is.mutex);
 
 	/* print meta data */
 
-	if (is->HasMimeType())
-		fprintf(stderr, "MIME type: %s\n", is->GetMimeType());
+	if (is.HasMimeType())
+		fprintf(stderr, "MIME type: %s\n", is.GetMimeType());
 
 	/* read data and tags from the stream */
 
-	while (!is->IsEOF()) {
+	while (!is.IsEOF()) {
 		{
-			auto tag = is->ReadTag();
+			auto tag = is.ReadTag();
 			if (tag) {
 				fprintf(stderr, "Received a tag:\n");
 				tag_save(stderr, *tag);
@@ -151,16 +151,14 @@ dump_input_stream(InputStream *is)
 		}
 
 		char buffer[4096];
-		size_t num_read = is->Read(lock, buffer, sizeof(buffer));
+		size_t num_read = is.Read(lock, buffer, sizeof(buffer));
 		if (num_read == 0)
 			break;
 
-		ssize_t num_written = write(1, buffer, num_read);
-		if (num_written <= 0)
-			break;
+		out.FullWrite(buffer, num_read);
 	}
 
-	is->Check();
+	is.Check();
 
 	return 0;
 }
@@ -233,7 +231,7 @@ try {
 
 	Mutex mutex;
 	auto is = InputStream::OpenReady(c.uri, mutex);
-	return dump_input_stream(is.get());
+	return dump_input_stream(*is, FileDescriptor(STDOUT_FILENO));
 } catch (...) {
 	PrintException(std::current_exception());
 	return EXIT_FAILURE;