src/{lib,}oping.c: Fix a few problems -Wextra has found.

[liboping.git] / src / liboping.c

diff --git a/src/liboping.c b/src/liboping.c
index e318145..c7bdaec 100644 (file)
--- a/src/liboping.c
+++ b/src/liboping.c
@@ -375,7 +375,7 @@ static pinghost_t *ping_receive_ipv6 (pinghost_t *ph, char *buffer, size_t buffe
 static int ping_receive_one (int fd, pinghost_t *ph, struct timeval *now)
 {
        char   buffer[4096];
-       size_t buffer_len;
+       ssize_t buffer_len;
 
        struct timeval diff;
 
@@ -388,13 +388,13 @@ static int ping_receive_one (int fd, pinghost_t *ph, struct timeval *now)
 
        buffer_len = recvfrom (fd, buffer, sizeof (buffer), 0,
                        (struct sockaddr *) &sa, &sa_len);
-       if (buffer_len == -1)
+       if (buffer_len < 0)
        {
                dprintf ("recvfrom: %s\n", strerror (errno));
                return (-1);
        }
 
-       dprintf ("Read %zu bytes from fd = %i\n", buffer_len, fd);
+       dprintf ("Read %zi bytes from fd = %i\n", buffer_len, fd);
 
        if (sa.ss_family == AF_INET)
        {