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authorErik Andersen2000-05-12 19:41:47 +0000
committerErik Andersen2000-05-12 19:41:47 +0000
commit7ab9c7ee52db8759d457819f5480378fa3aa97cc (patch)
tree37ef0fb8b142a4925b866c7caa5207b71b4ecae6 /mnc.c
parent3d427ac5efd249dc25dd03deb30520335f68911a (diff)
downloadbusybox-7ab9c7ee52db8759d457819f5480378fa3aa97cc.zip
busybox-7ab9c7ee52db8759d457819f5480378fa3aa97cc.tar.gz
Lots of updates. Finished implementing BB_FEATURE_TRIVIAL_HELP
which lets you compile out most of the "--help" output, saving up to 17k. Renamed mnc to nc. -Erik
Diffstat (limited to 'mnc.c')
-rw-r--r--mnc.c131
1 files changed, 0 insertions, 131 deletions
diff --git a/mnc.c b/mnc.c
deleted file mode 100644
index 60c18a9..0000000
--- a/mnc.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/* mnc: mini-netcat - built from the ground up for LRP
- Copyright (C) 1998 Charles P. Wright
-
- 0.0.1 6K It works.
- 0.0.2 5K Smaller and you can also check the exit condition if you wish.
- 0.0.3 Uses select()
-
- 19980918 Busy Boxed! Dave Cinege
- 19990512 Uses Select. Charles P. Wright
- 19990513 Fixes stdin stupidity and uses buffers. Charles P. Wright
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-*/
-#include "internal.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <sys/time.h>
-#include <sys/ioctl.h>
-
-#define BUFSIZE 100
-
-static const char mnc_usage[] =
-
- "mnc [IP] [port]\n\n" "mini-netcat opens a pipe to IP:port\n";
-
-int mnc_main(int argc, char **argv)
-{
- int sfd;
- int result;
- int len;
- char ch[BUFSIZE];
-
- struct sockaddr_in address;
- struct hostent *hostinfo;
-
- fd_set readfds, testfds;
-
- argc--;
- argv++;
- if (argc < 2 || **(argv + 1) == '-') {
- usage(mnc_usage);
- }
-
- sfd = socket(AF_INET, SOCK_STREAM, 0);
-
- hostinfo = (struct hostent *) gethostbyname(*argv);
-
- if (!hostinfo) {
- exit(1);
- }
-
- address.sin_family = AF_INET;
- address.sin_addr = *(struct in_addr *) *hostinfo->h_addr_list;
- address.sin_port = htons(atoi(*(++argv)));
-
- len = sizeof(address);
-
- result = connect(sfd, (struct sockaddr *) &address, len);
-
- if (result < 0) {
- exit(2);
- }
-
- FD_ZERO(&readfds);
- FD_SET(sfd, &readfds);
- FD_SET(fileno(stdin), &readfds);
-
- while (1) {
- int fd;
- int ofd;
- int nread;
-
- testfds = readfds;
-
- result =
- select(FD_SETSIZE, &testfds, (fd_set *) NULL, (fd_set *) NULL,
- (struct timeval *) 0);
-
- if (result < 1) {
- exit(3);
- }
-
- for (fd = 0; fd < FD_SETSIZE; fd++) {
- if (FD_ISSET(fd, &testfds)) {
- int trn = 0;
- int rn;
-
- ioctl(fd, FIONREAD, &nread);
-
- if (fd == sfd) {
- if (nread == 0)
- exit(0);
- ofd = fileno(stdout);
- } else {
- ofd = sfd;
- }
-
-
-
- do {
- rn = (BUFSIZE < nread - trn) ? BUFSIZE : nread - trn;
- trn += rn;
- read(fd, ch, rn);
- write(ofd, ch, rn);
- }
- while (trn < nread);
- }
- }
- }
-}