add readme, installation

Makefile

@@ -3,3 +3,6 @@ CFLAGS = -Wall -Wextra -std=c99 -pedantic -g
 
 finger: finger.c
 	$(CC) $(CFLAGS) $< -o $@
+
+install: finger
+	cp $< /usr/bin/finger

README

@@ -0,0 +1,5 @@
+This is a simple finger client.
+
+Usage: finger [user] server
+
+Installation: make install

finger.c

@@ -19,9 +19,8 @@ void
 read_server_response(int sockfd)
 {
     char c;
-    while (read(sockfd, &c, 1) != 0) {
-        if (c != '\r')
-            putchar(c);
+    while (read(sockfd, &c, 1)) {
+        putchar(c);
     }
 }
 
@@ -58,6 +57,7 @@ main(int argc, char *argv[])
         user = argv[1];
     }
 
+    /* setting up sockets and stuff */
     struct sockaddr_in servaddr;
 
     int sockfd = socket(AF_INET, SOCK_STREAM, 0);