finger

commit 63a97679fe23f4d6ed46cc134fe3fd205c912e22
parent 861d4fc180b4b6648e5fd2ebb1e011720898b197
Author: Naveen Narayanan <zerous@nocebo.space>
Date:   Sat, 25 Sep 2021 17:21:28 +0200

Use a while instead of a for loop

Diffstat:
M
finger.c
 | 
6
++++--

1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/finger.c b/finger.c
@@ -103,13 +103,15 @@ main(int argc, char **argv)
 
 		do {
 			byt = recv(sockfd, msg, BUFSZ, 0);
-			for (int i = 0; i < byt; ++i)
-				putchar(msg[i]);
 			if (byt == -1) {
 				fprintf(stderr, "recv failed: %s\n",
 					strerror(errno));
 				goto err3;
 			}
+
+			while (msg - buf < byt)
+				putchar(*msg++);
+			msg = buf;
 		} while (byt > 0);
 	}