From 86f18755362b594c519ccde37c3b3f98158b591e Mon Sep 17 00:00:00 2001
From: mcq8 <php@mcq8.be>
Date: Thu, 4 Dec 2014 17:36:44 +0100
Subject: [PATCH] Fix bug #68532: convert.base64-encode omits padding bytes

---
 ext/standard/tests/file/bug68532.phpt         | 25 +++++++++++++++++++
 .../tests/file/stream_rfc2397_007.phpt        |  2 ++
 main/streams/memory.c                         | 20 +++++++++------
 3 files changed, 39 insertions(+), 8 deletions(-)
 create mode 100644 ext/standard/tests/file/bug68532.phpt

diff --git a/ext/standard/tests/file/bug68532.phpt b/ext/standard/tests/file/bug68532.phpt
new file mode 100644
index 0000000000..7d1a0cea9a
--- /dev/null
+++ b/ext/standard/tests/file/bug68532.phpt
@@ -0,0 +1,25 @@
+--TEST--
+Bug #68532: convert.base64-encode omits padding bytes
+--FILE--
+<?php
+$testString = 'test';
+$stream = fopen('php://memory','r+');
+fwrite($stream, $testString);
+rewind($stream);
+$filter = stream_filter_append($stream, 'convert.base64-encode');
+echo "memoryStream = " . stream_get_contents($stream).PHP_EOL;
+
+
+$fileStream = fopen(__DIR__ . '/base64test.txt','w+');
+fwrite($fileStream , $testString);
+rewind($fileStream );
+$filter = stream_filter_append($fileStream , 'convert.base64-encode');
+echo "fileStream = " . stream_get_contents($fileStream ).PHP_EOL;
+?>
+--CLEAN--
+<?php
+unlink(__DIR__ . '/base64test.txt');
+?>
+--EXPECT--
+memoryStream = dGVzdA==
+fileStream = dGVzdA==
diff --git a/ext/standard/tests/file/stream_rfc2397_007.phpt b/ext/standard/tests/file/stream_rfc2397_007.phpt
index 8a6f3155dd..b62f19cd37 100644
--- a/ext/standard/tests/file/stream_rfc2397_007.phpt
+++ b/ext/standard/tests/file/stream_rfc2397_007.phpt
@@ -27,6 +27,7 @@ foreach($streams as $stream)
 	var_dump(feof($fp));
 	echo "===GETC===\n";
 	var_dump(fgetc($fp));
+	var_dump(fgetc($fp));
 	var_dump(ftell($fp));
 	var_dump(feof($fp));
 	echo "===REWIND===\n";
@@ -94,6 +95,7 @@ int(5)
 bool(false)
 ===GETC===
 string(1) "5"
+bool(false)
 int(6)
 bool(true)
 ===REWIND===
diff --git a/main/streams/memory.c b/main/streams/memory.c
index e6d0baaa86..f73c12f7d7 100644
--- a/main/streams/memory.c
+++ b/main/streams/memory.c
@@ -87,15 +87,19 @@ static size_t php_stream_memory_read(php_stream *stream, char *buf, size_t count
 	php_stream_memory_data *ms = (php_stream_memory_data*)stream->abstract;
 	assert(ms != NULL);
 
-	if (ms->fpos + count >= ms->fsize) {
-		count = ms->fsize - ms->fpos;
+	if (ms->fpos == ms->fsize) {
 		stream->eof = 1;
-	}
-	if (count) {
-		assert(ms->data!= NULL);
-		assert(buf!= NULL);
-		memcpy(buf, ms->data+ms->fpos, count);
-		ms->fpos += count;
+		count = 0;
+	} else {
+		if (ms->fpos + count >= ms->fsize) {
+			count = ms->fsize - ms->fpos;
+		}
+		if (count) {
+			assert(ms->data!= NULL);
+			assert(buf!= NULL);
+			memcpy(buf, ms->data+ms->fpos, count);
+			ms->fpos += count;
+		}
 	}
 	return count;
 }
-- 
2.40.0