DEV: coccinelle: Add rule to use `isttrim()` where possible

This replaces `if (i.len > e) i.len = e;` by `isttrim(i, e)`.

diff --git a/dev/coccinelle/ist.cocci b/dev/coccinelle/ist.cocci
index 5b6aa6b2cf8e98e7a7552ea2c53befc2de266995..7e9a6ac0568136bea573428b5a24f08a413c0cf4 100644 (file)
--- a/dev/coccinelle/ist.cocci
+++ b/dev/coccinelle/ist.cocci
@@ -44,6 +44,14 @@ struct ist i;
 - (\(i.ptr\|istptr(i)\) + \(i.len\|istlen(i)\))
 + istend(i)
 
+@@
+struct ist i;
+expression e;
+@@
+
+- if (\(i.len\|istlen(i)\) > e) { i.len = e; }
++ i = isttrim(i, e);
+
 @@
 struct ist i;
 @@