From b9e44139625e5576142592a925807e1748ee9ca0 Mon Sep 17 00:00:00 2001
From: Ilia Alshanetsky <iliaa@php.net>
Date: Mon, 10 Dec 2007 14:16:58 +0000
Subject: [PATCH] Fixed bug #43522 (stream_get_line() eats additional
 characters)

---
 ext/standard/tests/file/bug43522.phpt | 25 +++++++++++++++++++++++++
 main/streams/streams.c                |  4 ++--
 2 files changed, 27 insertions(+), 2 deletions(-)
 create mode 100644 ext/standard/tests/file/bug43522.phpt

diff --git a/ext/standard/tests/file/bug43522.phpt b/ext/standard/tests/file/bug43522.phpt
new file mode 100644
index 0000000000..10e44fc352
--- /dev/null
+++ b/ext/standard/tests/file/bug43522.phpt
@@ -0,0 +1,25 @@
+--TEST--
+Bug #43522 (stream_get_line() eats additional characters)
+--FILE--
+<?php // 1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ
+
+$fp = fopen(__FILE__, 'r'); // Open self
+
+DoTest($fp, 'ZZZ');  // test multi-char delimiter
+DoTest($fp, "Z");  // test single-char delimiter
+
+function DoTest($fp, $delim) {
+	echo "Delimiter:  " . $delim . "\n";
+	rewind($fp);
+	echo "\t" . stream_get_line($fp, 10, $delim) . "\n";
+	echo "\t" . stream_get_line($fp, 10, $delim) . "\n";
+}
+
+?>
+--EXPECT--
+Delimiter:  ZZZ
+	<?php // 1
+	234567890A
+Delimiter:  Z
+	<?php // 1
+	234567890A
diff --git a/main/streams/streams.c b/main/streams/streams.c
index fcc717379b..d627b55514 100755
--- a/main/streams/streams.c
+++ b/main/streams/streams.c
@@ -860,9 +860,9 @@ PHPAPI char *php_stream_get_record(php_stream *stream, size_t maxlen, size_t *re
 		toread = maxlen;
 	} else {
 		if (delim_len == 1) {
-			e = memchr(stream->readbuf + stream->readpos, *delim, stream->writepos - stream->readpos);
+			e = memchr(stream->readbuf + stream->readpos, *delim, maxlen);
 		} else {
-			e = php_memnstr(stream->readbuf + stream->readpos, delim, delim_len, (stream->readbuf + stream->writepos));
+			e = php_memnstr(stream->readbuf + stream->readpos, delim, delim_len, (stream->readbuf + stream->readpos + maxlen));
 		}
 
 		if (!e) {
-- 
2.50.1