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authorRob Landley <rob@landley.net>2008-01-19 17:08:39 -0600
committerRob Landley <rob@landley.net>2008-01-19 17:08:39 -0600
commit2896480c4918f2accccb8301bec457a7bff7377e (patch)
tree622527b0fcb9b5ed9d8b7fb50db316dc00111b2c /toys/netcat.c
parent58ecc3e589c2edc0ef4f33d4419b0b2e7ac6a83d (diff)
downloadtoybox-2896480c4918f2accccb8301bec457a7bff7377e.tar.gz
Zap toys/Config.in and instead create generated/Config.in from contents of
toys/*.c. Move relevant info into comment at the top of each toys/*.c. Also convert more of Makefile into a thin wrapper around shell scripts that actually do the work. (Makefile is only still there for the user interface.)
Diffstat (limited to 'toys/netcat.c')
-rw-r--r--toys/netcat.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/toys/netcat.c b/toys/netcat.c
index a6d93644..573a76ca 100644
--- a/toys/netcat.c
+++ b/toys/netcat.c
@@ -1,18 +1,35 @@
-/* vi: set sw=4 ts=4: */
-/* nc: mini-netcat - Forward stdin/stdout to a file or network connection.
+/* vi: set sw=4 ts=4:
+ *
+ * nc: mini-netcat - Forward stdin/stdout to a file or network connection.
*
* Copyright 2007 Rob Landley <rob@landley.net>
*
* Not in SUSv3.
- */
+
+config NETCAT
+ bool "netcat"
+ default n
+ help
+ usage: netcat [-iwlp] {IPADDR PORTNUM|-f FILENAME} [-e COMMAND]
+
+ -e exec the rest of the command line
+ -i SECONDS delay after each line sent
+ -w SECONDS timeout for connection
+ -f filename use file (ala /dev/ttyS0) instead of network
+ -l listen for incoming connection (twice for persistent connection)
+ -p local port number
+ -s local source address
+ -q SECONDS quit this many seconds after EOF on stdin.
+
+ Use -l twice with -e for a quick-and-dirty server.
+
+ Use "stty 115200 -F /dev/ttyS0 && stty raw -echo -ctlecho" with
+ netcat -f to connect to a serial port.
+*/
#include "toys.h"
#include "toynet.h"
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-
#define TT toy.netcat
static void timeout(int signum)