fixed datagram

diff --git a/Makefile b/Makefile
index 9d58c2839b9d256326df68e208f87646956b0e39..2b51ba5495f13a6b22e437e7d3e7a2a069cfdd49 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -8,5 +8,5 @@ OBJS = stream receive datagram
 
 all: $(OBJS)
 
-uninstall:
+clean:
        rm $(OBJS)

diff --git a/datagram.c b/datagram.c
index 75a8d2e73b346e8a8553beffffadce082de60419..5f47a45b9fb326fb26c88671cc799f03ca97b0d3 100644 (file)
--- a/datagram.c
+++ b/datagram.c
@@ -29,7 +29,7 @@
 int main(int argc, char *argv[]) {
   int send_fd;
   struct sockaddr_in local_addr, remote_addr;
-  // socklen_t remote_addr_len;
+  socklen_t remote_addr_len;
   int send_bytes, read_bytes;
 
   if(argc!=3) {
@@ -53,7 +53,7 @@ int main(int argc, char *argv[]) {
     exit(1);
   }
 
-  // remote_addr_len=sizeof(remote_addr); 
+  remote_addr_len=sizeof(remote_addr); 
   memset(&remote_addr,0,sizeof(remote_addr));
   remote_addr.sin_family=AF_INET;
   remote_addr.sin_port=htons(atoi(argv[2]));
@@ -64,7 +64,7 @@ int main(int argc, char *argv[]) {
   while(read_bytes>0) {
     unsigned char buf[1000];
     read_bytes=read(0,buf,sizeof(buf));
-    send_bytes=sendto(send_fd,buf,sizeof(buf),0,&remote_addr,sizeof(remote_addr));
+    send_bytes=sendto(send_fd,buf,sizeof(buf),0,(struct sockaddr *)&remote_addr,remote_addr_len);
   }
 
   close(send_fd);