[Commit-gnuradio] [gnuradio] 06/23: blocks.head: added callback to GRC definition

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trondeau pushed a commit to branch master
in repository gnuradio.

commit b7dba59a3159c166bc2745338e87c7a5ff3b4b1c
Author: Marcus Müller <address@hidden>
Date:   Thu Jun 26 11:57:35 2014 +0200

    blocks.head: added callback to GRC definition
---
 gr-blocks/grc/blocks_head.xml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gr-blocks/grc/blocks_head.xml b/gr-blocks/grc/blocks_head.xml
index 8b6e678..dc8e826 100644
--- a/gr-blocks/grc/blocks_head.xml
+++ b/gr-blocks/grc/blocks_head.xml
@@ -9,6 +9,7 @@
        <key>blocks_head</key>
        <import>from gnuradio import blocks</import>
        <make>blocks.head($type.size*$vlen, $num_items)</make>
+       <callback>set_length($num_items)</callback>
        <param>
                <name>Type</name>
                <key>type</key>