Use '== -1' to check for errors from functions.

[utcp] / selftest.c

diff --git a/selftest.c b/selftest.c
index f6e4c8c4ce5abfa488964fca5776282fe46d58c3..8abf4cc6fdd56e3081ac0762c6bef78116ab489a 100644 (file)
--- a/selftest.c
+++ b/selftest.c
@@ -82,7 +82,7 @@ int main(int argc, char *argv[]) {
        ssize_t len = utcp_send(c, "Hello world!\n", 13);
 
        if(len != 13) {
-               if(len < 0)
+               if(len == -1)
                        fprintf(stderr, "Error: %s\n", strerror(errno));
                else
                        fprintf(stderr, "Short write %zd!\n", len);
@@ -90,7 +90,7 @@ int main(int argc, char *argv[]) {
        len = utcp_send(c, "This is a test.\n", 16);
 
        if(len != 16) {
-               if(len < 0)
+               if(len == -1)
                        fprintf(stderr, "Error: %s\n", strerror(errno));
                else
                        fprintf(stderr, "Short write %zd!\n", len);