From ea007ada057a1fb687c8987b12acf401eec85c64 Mon Sep 17 00:00:00 2001
From: Koen Zandberg <koen@bergzand.net>
Date: Mon, 28 Sep 2020 23:01:42 +0200
Subject: [PATCH] suit: Mark conversion function arguments as const

Small cleanup to mark arguments of the conversion functions for param to
cbor and vice versa as const where possible
---
 sys/include/suit/handlers.h | 8 ++++----
 sys/suit/handlers.c         | 8 ++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/sys/include/suit/handlers.h b/sys/include/suit/handlers.h
index 95529f927d..8ffdcd021a 100644
--- a/sys/include/suit/handlers.h
+++ b/sys/include/suit/handlers.h
@@ -207,8 +207,8 @@ int suit_handle_manifest_structure_bstr(suit_manifest_t *manifest,
  * @returns             The offset of the nanocbor value inside the manifest
  *                      bytestring
  */
-uint16_t suit_param_ref_to_cbor(suit_manifest_t *manifest,
-                                suit_param_ref_t *ref,
+uint16_t suit_param_ref_to_cbor(const suit_manifest_t *manifest,
+                                const suit_param_ref_t *ref,
                                 nanocbor_value_t *val);
 
 /**
@@ -219,9 +219,9 @@ uint16_t suit_param_ref_to_cbor(suit_manifest_t *manifest,
  * @param   ref         reference to parse
  * @param   val         NanoCBOR value to restore
  */
-void suit_param_cbor_to_ref(suit_manifest_t *manifest,
+void suit_param_cbor_to_ref(const suit_manifest_t *manifest,
                            suit_param_ref_t *ref,
-                           nanocbor_value_t *val);
+                           const nanocbor_value_t *val);
 
 #ifdef __cplusplus
 }
diff --git a/sys/suit/handlers.c b/sys/suit/handlers.c
index e83782c05d..3bb68bba65 100644
--- a/sys/suit/handlers.c
+++ b/sys/suit/handlers.c
@@ -37,8 +37,8 @@ static suit_manifest_handler_t _get_handler(int key,
     return map[key];
 }
 
-uint16_t suit_param_ref_to_cbor(suit_manifest_t *manifest,
-                                suit_param_ref_t *ref,
+uint16_t suit_param_ref_to_cbor(const suit_manifest_t *manifest,
+                                const suit_param_ref_t *ref,
                                 nanocbor_value_t *val)
 {
     size_t len = manifest->len - ref->offset;
@@ -47,9 +47,9 @@ uint16_t suit_param_ref_to_cbor(suit_manifest_t *manifest,
     return ref->offset;
 }
 
-void suit_param_cbor_to_ref(suit_manifest_t *manifest,
+void suit_param_cbor_to_ref(const suit_manifest_t *manifest,
                             suit_param_ref_t *ref,
-                            nanocbor_value_t *val)
+                            const nanocbor_value_t *val)
 {
     assert(val->cur >= manifest->buf);
     ref->offset = val->cur - manifest->buf;