From eedcd078fe1434d93b84322c4e14c52f80282a41 Mon Sep 17 00:00:00 2001 From: wdenk Date: Wed, 8 Sep 2004 22:03:11 +0000 Subject: * Patch by Detlev Zundel, 08 Sep 2004: Update etags build target * Improve NetConsole support: add support for broadcast destination address and buffered input. * Cleanup compiler warnings for GCC 3.3.x and later * Fix problem in cmd_jffs2.c introduced by CFG_JFFS_SINGLE_PART patch --- tools/ncb.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 tools/ncb.c (limited to 'tools/ncb.c') diff --git a/tools/ncb.c b/tools/ncb.c new file mode 100644 index 0000000000..74deebb652 --- /dev/null +++ b/tools/ncb.c @@ -0,0 +1,36 @@ +#include +#include +#include +#include + +int main (int argc, char *argv[]) +{ + int s, len, o, port = 6666; + char buf[512]; + struct sockaddr_in addr; + int addr_len = sizeof addr; + + if (argc > 1) + port = atoi (argv[1]); + + s = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP); + + o = 1; + len = 4; + setsockopt (3, SOL_SOCKET, SO_REUSEADDR, &o, len); + + addr.sin_family = AF_INET; + addr.sin_port = htons (port); + addr.sin_addr.s_addr = INADDR_ANY; /* receive broadcasts */ + + bind (s, (struct sockaddr *) &addr, sizeof addr); + + for (;;) { + len = recvfrom (s, buf, sizeof buf, 0, (struct sockaddr *) &addr, &addr_len); + if (len < 0) + break; + write (1, buf, len); + } + + return 0; +} -- cgit v1.2.3