4 files changed, 64 insertions, 0 deletions
diff --git a/contrib/coccinelle/free.cocci b/contrib/coccinelle/free.cocci
new file mode 100644
index 0000000000..e28213161a
--- /dev/null
+++ b/contrib/coccinelle/free.cocci
@@ -0,0 +1,5 @@
+@@
+expression E;
+@@
+- if (E)
+  free(E);
diff --git a/contrib/coccinelle/object_id.cocci b/contrib/coccinelle/object_id.cocci
index 0307624a03..09afdbf994 100644
--- a/contrib/coccinelle/object_id.cocci
+++ b/contrib/coccinelle/object_id.cocci
@@ -17,10 +17,13 @@ expression E1;
 + oid_to_hex(&E1)
 
 @@
+identifier f != oid_to_hex;
 expression E1;
 @@
+  f(...) {...
 - sha1_to_hex(E1->hash)
 + oid_to_hex(E1)
+  ...}
 
 @@
 expression E1, E2;
@@ -29,10 +32,13 @@ expression E1, E2;
 + oid_to_hex_r(E1, &E2)
 
 @@
+identifier f != oid_to_hex_r;
 expression E1, E2;
 @@
+   f(...) {...
 - sha1_to_hex_r(E1, E2->hash)
 + oid_to_hex_r(E1, E2)
+  ...}
 
 @@
 expression E1;
@@ -41,10 +47,13 @@ expression E1;
 + oidclr(&E1)
 
 @@
+identifier f != oidclr;
 expression E1;
 @@
+  f(...) {...
 - hashclr(E1->hash)
 + oidclr(E1)
+  ...}
 
 @@
 expression E1, E2;
@@ -53,10 +62,13 @@ expression E1, E2;
 + oidcmp(&E1, &E2)
 
 @@
+identifier f != oidcmp;
 expression E1, E2;
 @@
+  f(...) {...
 - hashcmp(E1->hash, E2->hash)
 + oidcmp(E1, E2)
+  ...}
 
 @@
 expression E1, E2;
@@ -77,10 +89,13 @@ expression E1, E2;
 + oidcpy(&E1, &E2)
 
 @@
+identifier f != oidcpy;
 expression E1, E2;
 @@
+  f(...) {...
 - hashcpy(E1->hash, E2->hash)
 + oidcpy(E1, E2)
+  ...}
 
 @@
 expression E1, E2;
diff --git a/contrib/coccinelle/qsort.cocci b/contrib/coccinelle/qsort.cocci
new file mode 100644
index 0000000000..22b93a9966
--- /dev/null
+++ b/contrib/coccinelle/qsort.cocci
@@ -0,0 +1,37 @@
+@@
+expression base, nmemb, compar;
+@@
+- qsort(base, nmemb, sizeof(*base), compar);
++ QSORT(base, nmemb, compar);
+
+@@
+expression base, nmemb, compar;
+@@
+- qsort(base, nmemb, sizeof(base[0]), compar);
++ QSORT(base, nmemb, compar);
+
+@@
+type T;
+T *base;
+expression nmemb, compar;
+@@
+- qsort(base, nmemb, sizeof(T), compar);
++ QSORT(base, nmemb, compar);
+
+@@
+expression base, nmemb, compar;
+@@
+- if (nmemb)
+    QSORT(base, nmemb, compar);
+
+@@
+expression base, nmemb, compar;
+@@
+- if (nmemb > 0)
+    QSORT(base, nmemb, compar);
+
+@@
+expression base, nmemb, compar;
+@@
+- if (nmemb > 1)
+    QSORT(base, nmemb, compar);
diff --git a/contrib/coccinelle/xstrdup_or_null.cocci b/contrib/coccinelle/xstrdup_or_null.cocci
new file mode 100644
index 0000000000..3fceef132b
--- /dev/null
+++ b/contrib/coccinelle/xstrdup_or_null.cocci
@@ -0,0 +1,7 @@
+@@
+expression E;
+expression V;
+@@
+- if (E)
+-    V = xstrdup(E);
++ V = xstrdup_or_null(E);