Segmentize outgoing packets.

[utcp] / selftest.c

diff --git a/selftest.c b/selftest.c
index dae05bf37b9d6809451cd5b761e0cd67fa84eca2..6edbc0d4ecf2016a5f2b050b9dd0b2ba0a4cac79 100644 (file)
--- a/selftest.c
+++ b/selftest.c
@@ -56,7 +56,6 @@ int do_send(struct utcp *utcp, void *data, size_t len) {
                return utcp_recv(a, data, len);
 }
 
-
 int main(int argc, char *argv[]) {
        srand(time(NULL));
 
@@ -82,8 +81,23 @@ int main(int argc, char *argv[]) {
        fprintf(stderr, "\nTesting connection with data transfer\n\n");
 
        c = utcp_connect(b, 7, do_recv, NULL);
-       utcp_send(c, "Hello world!\n", 13);
-       utcp_send(c, "This is a test.\n", 16);
+       ssize_t len = utcp_send(c, "Hello world!\n", 13);
+
+       if(len != 13) {
+               if(len < 0)
+                       fprintf(stderr, "Error: %s\n", strerror(errno));
+               else
+                       fprintf(stderr, "Short write %zd!\n", len);
+       }
+       len = utcp_send(c, "This is a test.\n", 16);
+
+       if(len != 16) {
+               if(len < 0)
+                       fprintf(stderr, "Error: %s\n", strerror(errno));
+               else
+                       fprintf(stderr, "Short write %zd!\n", len);
+       }
+
        fprintf(stderr, "closing...\n");
        utcp_close(c);