X-Git-Url: https://yaffs.net/gitweb/?a=blobdiff_plain;f=yaffs_nameval.c;h=487b03e19fd9a6f0fb06800f7dde867602ccdc16;hb=7715144e7d55b2854f907001c432348e4caa5954;hp=e75411be9fb7dfef4e3f6866347a35cc88140881;hpb=472c70456396a6f2019bfabe83bd292782dbd978;p=yaffs2.git

diff --git a/yaffs_nameval.c b/yaffs_nameval.c
index e75411b..487b03e 100644
--- a/yaffs_nameval.c
+++ b/yaffs_nameval.c
@@ -146,6 +146,12 @@ int nval_get(const char *xb, int xb_size, const YCHAR * name, char *buf,
 		pos++;
 		size--;
 
+		/* If bsize is zero then this is a size query.
+		 * Return the size, but don't copy.
+		 */
+		if (!bsize)
+			return size;
+
 		if (size <= bsize) {
 			memcpy(buf, xb + pos, size);
 			return size;