From c8eeae8d4dffa5849a23cf963884027a7789504b Mon Sep 17 00:00:00 2001
From: Willem Jan Palenstijn
Date: Sun, 14 Sep 2008 22:28:53 +0000
Subject: Big patch changing semantics of ReadStream::eos(): eos() now only
 returns true _after_ trying to read past the end of the stream.

This has a large potential for regressions. Please test!

svn-id: r34549
---
 backends/platform/ds/arm9/source/ramsave.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'backends/platform/ds/arm9/source/ramsave.cpp')

diff --git a/backends/platform/ds/arm9/source/ramsave.cpp b/backends/platform/ds/arm9/source/ramsave.cpp
index 8442fd6b88..30c3a06721 100644
--- a/backends/platform/ds/arm9/source/ramsave.cpp
+++ b/backends/platform/ds/arm9/source/ramsave.cpp
@@ -64,6 +64,7 @@ DSSaveFile::DSSaveFile(SCUMMSave* s, bool compressed, u8* data) {
 	}
 	
 	isTempFile = false;
+	eosReached = false;
 }
 
 DSSaveFile::~DSSaveFile() {
@@ -167,11 +168,13 @@ int DSSaveFile::saveToSaveRAM(vu8* address) {
 
 void DSSaveFile::reset() {
 	ptr = 0;
+	eosReached = false;
 }
 
 uint32 DSSaveFile::read(void *buf, uint32 size) {
 	if (ptr + size > save.size) {
 		size = save.size - ptr;
+		eosReached = true;
 		if (size < 0) size = 0;
 	}
 	memcpy(buf, saveData + ptr, size);
@@ -204,11 +207,16 @@ bool DSSaveFile::seek(int32 pos, int whence) {
 			break;
 		}
 	}
+	eosReached = false;
 	return true;
 }
 
 bool DSSaveFile::eos() const {
-	return ptr >= (int) save.size;
+	return eosReached;
+}
+
+void DSSaveFile::clearErr() {
+	eosReached = false;
 }
 
 bool DSSaveFile::skip(uint32 bytes) {
-- 
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