From 0137280dccfcfd99b0f3fcedfce4f3e2a5621667 Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Tue, 25 Aug 2015 10:23:50 +0100
Subject: [PATCH] lib/sod.[ch] (sod_convert): Make the instance argument be
 `const void *'.

The documentation says that it should be, and I agree.
---
 lib/sod.c | 2 +-
 lib/sod.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/sod.c b/lib/sod.c
index bd600f9..bcaf6f6 100644
--- a/lib/sod.c
+++ b/lib/sod.c
@@ -108,7 +108,7 @@ int sod_subclassp(const SodClass *sub, const SodClass *super)
  *		to know what C or S actually are.
  */
 
-void *sod_convert(const SodClass *cls, void *p)
+void *sod_convert(const SodClass *cls, const void *p)
 {
   const struct sod_instance *inst = p;
   const struct sod_vtable *vt = inst->_vt;
diff --git a/lib/sod.h b/lib/sod.h
index 6a444e9..7f18f35 100644
--- a/lib/sod.h
+++ b/lib/sod.h
@@ -188,7 +188,7 @@ extern int sod_subclassp(const SodClass */*sub*/, const SodClass */*super*/);
  *		to know what either C or S actually are.
  */
 
-extern void *sod_convert(const SodClass */*cls*/, void */*p*/);
+extern void *sod_convert(const SodClass */*cls*/, const void */*p*/);
 
 /*----- That's all, folks -------------------------------------------------*/
 
-- 
2.11.0