From 13698a983ab7e44e523f1b914c56dc0bbe883c4f Mon Sep 17 00:00:00 2001
From: Guus Sliepen <guus@meshlink.io>
Date: Sun, 11 Oct 2015 16:21:22 +0200
Subject: [PATCH] Clarify read/write direction in test program.

---
 test.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/test.c b/test.c
index 75fce79..8ad46c6 100644
--- a/test.c
+++ b/test.c
@@ -13,8 +13,11 @@
 
 #include "utcp.h"
 
+#define DIR_READ 1
+#define DIR_WRITE 2
+
 struct utcp_connection *c;
-int dir = 3;
+int dir = DIR_READ | DIR_WRITE;
 bool running = true;
 double dropin;
 double dropout;
@@ -25,7 +28,7 @@ ssize_t do_recv(struct utcp_connection *c, const void *data, size_t len) {
 			fprintf(stderr, "Error: %s\n", strerror(errno));
 			dir = 0;
 		} else {
-			dir &= ~2;
+			dir &= ~DIR_WRITE;
 			fprintf(stderr, "Connection closed by peer\n");
 		}
 		return -1;
@@ -110,7 +113,7 @@ int main(int argc, char *argv[]) {
 		if(max > sizeof buf)
 			max = sizeof buf;
 
-		if((dir & 1) && max)
+		if((dir & DIR_READ) && max)
 			poll(fds, 2, timeout.tv_sec * 1000 + timeout.tv_usec / 1000);
 		else
 			poll(fds + 1, 1, timeout.tv_sec * 1000 + timeout.tv_usec / 1000);
@@ -121,7 +124,7 @@ int main(int argc, char *argv[]) {
 			ssize_t len = read(0, buf, max);
 			if(len <= 0) {
 				fds[0].fd = -1;
-				dir &= ~1;
+				dir &= ~DIR_READ;
 				if(c)
 					utcp_shutdown(c, SHUT_WR);
 				if(len == -1)
-- 
2.39.2