From d37b788ea81e4b282e3f24aa5cad31d85229cc30 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Sat, 14 Dec 2013 12:43:06 +0100
Subject: DecoderAPI: add function decoder_read_full()

Move code from the "mad" plugin.
---
 test/FakeDecoderAPI.cxx | 18 ++++++++++++++++++
 test/run_decoder.cxx    | 18 ++++++++++++++++++
 2 files changed, 36 insertions(+)

(limited to 'test')

diff --git a/test/FakeDecoderAPI.cxx b/test/FakeDecoderAPI.cxx
index 469e37feb..ca09ca982 100644
--- a/test/FakeDecoderAPI.cxx
+++ b/test/FakeDecoderAPI.cxx
@@ -65,6 +65,24 @@ decoder_read(gcc_unused Decoder *decoder,
 	return is.LockRead(buffer, length, IgnoreError());
 }
 
+bool
+decoder_read_full(Decoder *decoder, InputStream &is,
+		  void *_buffer, size_t size)
+{
+	uint8_t *buffer = (uint8_t *)_buffer;
+
+	while (size > 0) {
+		size_t nbytes = decoder_read(decoder, is, buffer, size);
+		if (nbytes == 0)
+			return false;
+
+		buffer += nbytes;
+		size -= nbytes;
+	}
+
+	return true;
+}
+
 bool
 decoder_skip(Decoder *decoder, InputStream &is, size_t size)
 {
diff --git a/test/run_decoder.cxx b/test/run_decoder.cxx
index cab68c64e..7db8dde22 100644
--- a/test/run_decoder.cxx
+++ b/test/run_decoder.cxx
@@ -101,6 +101,24 @@ decoder_read(gcc_unused Decoder *decoder,
 	return is.LockRead(buffer, length, IgnoreError());
 }
 
+bool
+decoder_read_full(Decoder *decoder, InputStream &is,
+		  void *_buffer, size_t size)
+{
+	uint8_t *buffer = (uint8_t *)_buffer;
+
+	while (size > 0) {
+		size_t nbytes = decoder_read(decoder, is, buffer, size);
+		if (nbytes == 0)
+			return false;
+
+		buffer += nbytes;
+		size -= nbytes;
+	}
+
+	return true;
+}
+
 bool
 decoder_skip(Decoder *decoder, InputStream &is, size_t size)
 {
-- 
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