4 files changed, 12 insertions, 12 deletions

diff --git a/include/afb-req-itf.h b/include/afb-req-itf.h
index df133f5c..111b1d53 100644
--- a/include/afb-req-itf.h
+++ b/include/afb-req-itf.h
@@ -31,7 +31,7 @@ struct afb_req_itf {
 	void (*success)(void *req_closure, struct json_object *obj, const char *info);
 	void (*fail)(void *req_closure, const char *status, const char *info);
 	const char *(*raw)(void *req_closure, size_t *size);
-	void (*send)(void *req_closure, char *buffer, size_t size);
+	void (*send)(void *req_closure, const char *buffer, size_t size);
 	void *(*context_get)(void *ctx_closure);
 	void (*context_set)(void *ctx_closure, void *context, void (*free_context)(void*));
 	int (*session_create)(void *req_closure);
@@ -80,7 +80,7 @@ static inline const char *afb_req_raw(struct afb_req req, size_t *size)
 	return req.itf->raw(req.req_closure, size);
 }
 
-static inline void afb_req_send(struct afb_req req, char *buffer, size_t size)
+static inline void afb_req_send(struct afb_req req, const char *buffer, size_t size)
 {
 	req.itf->send(req.req_closure, buffer, size);
 }
diff --git a/src/afb-hreq.c b/src/afb-hreq.c
index 6b7d64be..cc12da59 100644
--- a/src/afb-hreq.c
+++ b/src/afb-hreq.c
@@ -68,7 +68,7 @@ static struct afb_arg req_get(struct afb_hreq *hreq, const char *name);
 static void req_fail(struct afb_hreq *hreq, const char *status, const char *info);
 static void req_success(struct afb_hreq *hreq, json_object *obj, const char *info);
 static const char *req_raw(struct afb_hreq *hreq, size_t *size);
-static void req_send(struct afb_hreq *hreq, char *buffer, size_t size);
+static void req_send(struct afb_hreq *hreq, const char *buffer, size_t size);
 static int req_session_create(struct afb_hreq *hreq);
 static int req_session_check(struct afb_hreq *hreq, int refresh);
 static void req_session_close(struct afb_hreq *hreq);
@@ -194,19 +194,19 @@ void afb_hreq_reply_empty(struct afb_hreq *hreq, unsigned status, ...)
 	va_end(args);
 }
 
-void afb_hreq_reply_static(struct afb_hreq *hreq, unsigned status, size_t size, char *buffer, ...)
+void afb_hreq_reply_static(struct afb_hreq *hreq, unsigned status, size_t size, const char *buffer, ...)
 {
 	va_list args;
 	va_start(args, buffer);
-	afb_hreq_reply_v(hreq, status, MHD_create_response_from_buffer((unsigned)size, buffer, MHD_RESPMEM_PERSISTENT), args);
+	afb_hreq_reply_v(hreq, status, MHD_create_response_from_buffer((unsigned)size, (char*)buffer, MHD_RESPMEM_PERSISTENT), args);
 	va_end(args);
 }
 
-void afb_hreq_reply_copy(struct afb_hreq *hreq, unsigned status, size_t size, char *buffer, ...)
+void afb_hreq_reply_copy(struct afb_hreq *hreq, unsigned status, size_t size, const char *buffer, ...)
 {
 	va_list args;
 	va_start(args, buffer);
-	afb_hreq_reply_v(hreq, status, MHD_create_response_from_buffer((unsigned)size, buffer, MHD_RESPMEM_MUST_COPY), args);
+	afb_hreq_reply_v(hreq, status, MHD_create_response_from_buffer((unsigned)size, (char*)buffer, MHD_RESPMEM_MUST_COPY), args);
 	va_end(args);
 }
 
@@ -661,7 +661,7 @@ static const char *req_raw(struct afb_hreq *hreq, size_t *size)
 	return result;
 }
 
-static void req_send(struct afb_hreq *hreq, char *buffer, size_t size)
+static void req_send(struct afb_hreq *hreq, const char *buffer, size_t size)
 {
 	afb_hreq_reply_free(hreq, MHD_HTTP_OK, size, buffer, NULL);
 }
diff --git a/src/afb-hreq.h b/src/afb-hreq.h
index a8df015e..82e6b65a 100644
--- a/src/afb-hreq.h
+++ b/src/afb-hreq.h
@@ -73,9 +73,9 @@ extern struct AFB_clientCtx *afb_hreq_context(struct afb_hreq *hreq);
 
 extern int afb_hreq_init_cookie(int port, const char *path, int maxage);
 
-extern void afb_hreq_reply_static(struct afb_hreq *hreq, unsigned status, size_t size, char *buffer, ...);
+extern void afb_hreq_reply_static(struct afb_hreq *hreq, unsigned status, size_t size, const char *buffer, ...);
 
-extern void afb_hreq_reply_copy(struct afb_hreq *hreq, unsigned status, size_t size, char *buffer, ...);
+extern void afb_hreq_reply_copy(struct afb_hreq *hreq, unsigned status, size_t size, const char *buffer, ...);
 
 extern void afb_hreq_reply_free(struct afb_hreq *hreq, unsigned status, size_t size, char *buffer, ...);
 
diff --git a/src/afb-ws-json.c b/src/afb-ws-json.c
index 9387f8d7..e1347f14 100644
--- a/src/afb-ws-json.c
+++ b/src/afb-ws-json.c
@@ -142,7 +142,7 @@ static struct afb_arg wsreq_get(struct afb_wsreq *wsreq, const char *name);
 static void wsreq_fail(struct afb_wsreq *wsreq, const char *status, const char *info);
 static void wsreq_success(struct afb_wsreq *wsreq, struct json_object *obj, const char *info);
 static const char *wsreq_raw(struct afb_wsreq *wsreq, size_t *size);
-static void wsreq_send(struct afb_wsreq *wsreq, char *buffer, size_t size);
+static void wsreq_send(struct afb_wsreq *wsreq, const char *buffer, size_t size);
 static int wsreq_session_create(struct afb_wsreq *wsreq);
 static int wsreq_session_check(struct afb_wsreq *wsreq, int refresh);
 static void wsreq_session_close(struct afb_wsreq *wsreq);
@@ -427,7 +427,7 @@ static const char *wsreq_raw(struct afb_wsreq *wsreq, size_t *size)
 	return wsreq->obj;
 }
 
-static void wsreq_send(struct afb_wsreq *wsreq, char *buffer, size_t size)
+static void wsreq_send(struct afb_wsreq *wsreq, const char *buffer, size_t size)
 {
 	afb_ws_text(wsreq->aws->ws, buffer, size);
 }