From 34a6d05f9a84d0c6e07e12a976245a7d611d8e22 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 5 Sep 2011 06:25:51 +0200
Subject: blob_attr_equal: un-inline, add pointer checks

---
 blob.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'blob.c')

diff --git a/blob.c b/blob.c
index 3929ad3..edf55d4 100644
--- a/blob.c
+++ b/blob.c
@@ -201,3 +201,18 @@ blob_parse(struct blob_attr *attr, struct blob_attr **data, const struct blob_at
 	}
 	return found;
 }
+
+bool
+blob_attr_equal(const struct blob_attr *a1, const struct blob_attr *a2)
+{
+	if (!a1 && !a2)
+		return true;
+
+	if (!a1 || !a2)
+		return false;
+
+	if (blob_pad_len(a1) != blob_pad_len(a2))
+		return false;
+
+	return !memcmp(a1, a2, blob_pad_len(a1));
+}
-- 
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