diff mbox

[OpenWrt-Devel,2/5] image.mk: add Build step pad-to

Message ID 1433680038-27070-3-git-send-email-lynxis@fe80.eu
State Accepted
Headers show

Commit Message

Alexander Couzens June 7, 2015, 12:27 p.m. UTC
pad-to can be used in a pipe to pad the image to a specific chunk-size.
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
---
 include/image.mk | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox

Patch

diff --git a/include/image.mk b/include/image.mk
index 287c679..814e7dc 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -304,6 +304,11 @@  define Build/append-rootfs
 	dd if=$(word 2,$^) $(if $(1),bs=$(1) conv=sync) >> $@
 endef
 
+define Build/pad-to
+	dd if=$@ of=$@.new bs=$(1) conv=sync
+	mv $@.new $@
+endef
+
 define Build/pad-rootfs
 	$(call prepare_generic_squashfs,$@ $(1))
 endef