diff options
Diffstat (limited to 'libhw/host_net.c')
| -rw-r--r-- | libhw/host_net.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libhw/host_net.c b/libhw/host_net.c index 505c7dc..eee293e 100644 --- a/libhw/host_net.c +++ b/libhw/host_net.c @@ -229,6 +229,9 @@ static void *hostnet_pthread_read(void *_args) { static ssize_t hostnet_tcp_read(struct _hostnet_tcp_conn *conn, void *buf, size_t count) { assert(conn); + assert(count == 0 || buf); + if (count == 0) + return 0; ssize_t ret; struct hostnet_pthread_read_args args = { @@ -287,6 +290,9 @@ static void *hostnet_pthread_write(void *_args) { static ssize_t hostnet_tcp_write(struct _hostnet_tcp_conn *conn, void *buf, size_t count) { assert(conn); + assert(count == 0 || buf); + if (count == 0) + return 0; ssize_t ret; struct hostnet_pthread_write_args args = { |