Pass buffers as const.

[utcp] / selftest.c

diff --git a/selftest.c b/selftest.c
index 6edbc0d4ecf2016a5f2b050b9dd0b2ba0a4cac79..3fb5c493fda98a6ff89e6a4b8aed01358098ce3a 100644 (file)
--- a/selftest.c
+++ b/selftest.c
@@ -10,7 +10,7 @@ struct utcp *a;
 struct utcp *b;
 struct utcp_connection *c;
 
-int do_recv(struct utcp_connection *x, void *data, size_t len) {
+int do_recv(struct utcp_connection *x, const void *data, size_t len) {
        if(!len) {
                if(errno)
                        fprintf(stderr, "%p Error: %s\n", x->utcp, strerror(errno));
@@ -43,7 +43,7 @@ void do_accept(struct utcp_connection *c, uint16_t port) {
        utcp_accept(c, do_recv, NULL);
 }
 
-int do_send(struct utcp *utcp, void *data, size_t len) {
+int do_send(struct utcp *utcp, const void *data, size_t len) {
        static int count = 0;
        if(++count > 1000) {
                fprintf(stderr, "Too many packets!\n");