Add CMake config

[dragonnet.git] / dragonnet / recv.c

diff --git a/dragonnet/recv.c b/dragonnet/recv.c
new file mode 100644 (file)
index 0000000..ffad396
--- /dev/null
+++ b/dragonnet/recv.c
@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "recv.h"
+#include "sock.h"
+
+bool dragonnet_recv_raw(DragonnetPeer *p, void *buf, size_t n)
+{
+       if (n == 0)
+               return true;
+
+       ssize_t len = recv(p->sock, buf, n, MSG_WAITALL);
+       if (len < 0) {
+               perror("recv");
+               abort();
+       }
+
+       return len != 0;
+}