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-rw-r--r--scripts/coccinelle/calloc.cocci20
1 files changed, 20 insertions, 0 deletions
diff --git a/scripts/coccinelle/calloc.cocci b/scripts/coccinelle/calloc.cocci
new file mode 100644
index 0000000000..8a295eb4fd
--- /dev/null
+++ b/scripts/coccinelle/calloc.cocci
@@ -0,0 +1,20 @@
+// Use calloc or realloc as appropriate instead of multiply-and-alloc
+
+@malloc_to_calloc@
+expression a,b;
+@@
+- tor_malloc(a * b)
++ tor_calloc(a, b)
+
+@malloc_zero_to_calloc@
+expression a, b;
+@@
+- tor_malloc_zero(a * b)
++ tor_calloc(a, b)
+
+@realloc_to_reallocarray@
+expression a, b;
+expression p;
+@@
+- tor_realloc(p, a * b)
++ tor_reallocarray(p, a, b)