From 10e9f49914cc9e447f8248126c28fa2bf08e9f3a Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Sat, 1 Jun 2013 03:58:11 +0200
Subject: [PATCH] QueryParser: Equation::Match(): Fix generic attribute case

Init size to the buffer size before passing it to
QueryPolicy::NodeGetAttribute(). Since size was 0 by default, we would
only read 0 length data.
---
 headers/private/file_systems/QueryParser.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/headers/private/file_systems/QueryParser.h b/headers/private/file_systems/QueryParser.h
index 083e7bea35..b476efbbdf 100644
--- a/headers/private/file_systems/QueryParser.h
+++ b/headers/private/file_systems/QueryParser.h
@@ -708,6 +708,7 @@ Equation<QueryPolicy>::Match(Entry* entry, Node* node,
 	// get a pointer to the attribute in question
 	union value<QueryPolicy> value;
 	uint8* buffer = (uint8*)&value;
+	const size_t bufferSize = sizeof(value);
 
 	// first, check if we are matching for a live query and use that value
 	if (attributeName != NULL && !strcmp(fAttribute, attributeName)) {
@@ -737,6 +738,7 @@ Equation<QueryPolicy>::Match(Entry* entry, Node* node,
 		type = B_INT32_TYPE;
 	} else {
 		// then for attributes
+		size = bufferSize;
 		if (QueryPolicy::NodeGetAttribute(node, fAttribute, buffer, &size,
 				&type) != B_OK) {
 			return MatchEmptyString();