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[PULL,37/52] coccinelle: use macro DIV_ROUND_UP instead of (((n) + (d) - 1) /(d))

Message ID ec4e85c0d97e45ce5215435ec1ff5008e8b14d95.1465112552.git.mjt@msgid.tls.msk.ru (mailing list archive)
State New, archived
Headers show

Commit Message

Michael Tokarev June 5, 2016, 7:43 a.m. UTC 
From: Laurent Vivier <lvivier@redhat.com>

sample from http://coccinellery.org/

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---
 scripts/coccinelle/round.cocci | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 scripts/coccinelle/round.cocci
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Patch

diff --git a/scripts/coccinelle/round.cocci b/scripts/coccinelle/round.cocci
new file mode 100644
index 0000000..ed06773
--- /dev/null
+++ b/scripts/coccinelle/round.cocci
@@ -0,0 +1,19 @@ 
+// Use macro DIV_ROUND_UP instead of (((n) + (d) - 1) /(d))
+@@
+expression e1;
+expression e2;
+@@
+(
+- ((e1) + e2 - 1) / (e2)
++ DIV_ROUND_UP(e1,e2)
+|
+- ((e1) + (e2 - 1)) / (e2)
++ DIV_ROUND_UP(e1,e2)
+)
+
+@@
+expression e1;
+expression e2;
+@@
+-(DIV_ROUND_UP(e1,e2))
++DIV_ROUND_UP(e1,e2)