summaryrefslogtreecommitdiff
path: root/contrib/coccinelle
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/coccinelle')
-rw-r--r--contrib/coccinelle/free.cocci6
-rw-r--r--contrib/coccinelle/swap.cocci28
-rw-r--r--contrib/coccinelle/xstrdup_or_null.cocci6
3 files changed, 40 insertions, 0 deletions
diff --git a/contrib/coccinelle/free.cocci b/contrib/coccinelle/free.cocci
index e28213161a..c03ba737e5 100644
--- a/contrib/coccinelle/free.cocci
+++ b/contrib/coccinelle/free.cocci
@@ -3,3 +3,9 @@ expression E;
@@
- if (E)
free(E);
+
+@@
+expression E;
+@@
+- if (!E)
+ free(E);
diff --git a/contrib/coccinelle/swap.cocci b/contrib/coccinelle/swap.cocci
new file mode 100644
index 0000000000..a0934d1fda
--- /dev/null
+++ b/contrib/coccinelle/swap.cocci
@@ -0,0 +1,28 @@
+@ swap_with_declaration @
+type T;
+identifier tmp;
+T a, b;
+@@
+- T tmp = a;
++ T tmp;
++ tmp = a;
+ a = b;
+ b = tmp;
+
+@ swap @
+type T;
+T tmp, a, b;
+@@
+- tmp = a;
+- a = b;
+- b = tmp;
++ SWAP(a, b);
+
+@ extends swap @
+identifier unused;
+@@
+ {
+ ...
+- T unused;
+ ... when != unused
+ }
diff --git a/contrib/coccinelle/xstrdup_or_null.cocci b/contrib/coccinelle/xstrdup_or_null.cocci
index 3fceef132b..8e05d1ca4b 100644
--- a/contrib/coccinelle/xstrdup_or_null.cocci
+++ b/contrib/coccinelle/xstrdup_or_null.cocci
@@ -5,3 +5,9 @@ expression V;
- if (E)
- V = xstrdup(E);
+ V = xstrdup_or_null(E);
+
+@@
+expression E;
+@@
+- xstrdup(absolute_path(E))
++ absolute_pathdup(E)