DEV: coccinelle: Add rule to use `chunk_istcat()` instead of `chunk_memcat()`
This replaces `chunk_memcat()` with `chunk_istcat()` if the parameters are the
ist's `.ptr` and `.len`.
diff --git a/dev/coccinelle/ist.cocci b/dev/coccinelle/ist.cocci
index 7e9a6ac..4945141 100644
--- a/dev/coccinelle/ist.cocci
+++ b/dev/coccinelle/ist.cocci
@@ -54,6 +54,14 @@
@@
struct ist i;
+struct buffer *b;
+@@
+
+- chunk_memcat(b, \(i.ptr\|istptr(i)\) , \(i.len\|istlen(i)\));
++ chunk_istcat(b, i);
+
+@@
+struct ist i;
@@
- i.ptr != NULL