nserver: Update check_cmd_size.

* nserver/src/nserve.c (check_cmd_size): Add check for the send call.

1 files changed, 3 insertions, 1 deletions

diff --git a/nserver/src/nserve.c b/nserver/src/nserve.c
index ade28fe..35bf7f6 100644
--- a/nserver/src/nserve.c
+++ b/nserver/src/nserve.c
@@ -36,7 +36,9 @@ int check_cmd_size(char *cmd, int sock)
     }
 
     char *err = "error: command invalid: size > 120 characters\n";
-    send(sock, err, strlen(err), 0);
+    ssize_t err_sz = strlen(err);
+    ssize_t bytes = send(sock, err, err_sz, 0);
+    check(bytes == err_sz, "check_cmd_size: send failed");
 
     return 1;
  error: