summaryrefslogtreecommitdiff
path: root/release/src/router/busybox/coreutils/watch.c
diff options
context:
space:
mode:
Diffstat (limited to 'release/src/router/busybox/coreutils/watch.c')
-rw-r--r--release/src/router/busybox/coreutils/watch.c110
1 files changed, 0 insertions, 110 deletions
diff --git a/release/src/router/busybox/coreutils/watch.c b/release/src/router/busybox/coreutils/watch.c
deleted file mode 100644
index f9f40189..00000000
--- a/release/src/router/busybox/coreutils/watch.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * Mini watch implementation for busybox
- *
- * Copyright (C) 2001 by Michael Habermann <mhabermann@gmx.de>
- *
- * 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
- *
- */
-
-/* BB_AUDIT SUSv3 N/A */
-/* BB_AUDIT GNU defects -- only option -n is supported. */
-
-/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
- *
- * Removed dependency on date_main(), added proper error checking, and
- * reduced size.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-#include <time.h>
-#include <assert.h>
-#include <unistd.h>
-#include <sys/wait.h>
-#include "busybox.h"
-
-extern int watch_main(int argc, char **argv)
-{
- const int header_len = 40;
- time_t t;
- pid_t pid;
- unsigned period = 2;
- int old_stdout;
- int len, len2;
- char **watched_argv;
- char header[header_len + 1];
-
- if (argc < 2) {
- bb_show_usage();
- }
-
- /* don't use getopt, because it permutes the arguments */
- ++argv;
- if ((argc > 3) && !strcmp(*argv, "-n")
- ) {
- period = bb_xgetularg10_bnd(argv[1], 1, UINT_MAX);
- argv += 2;
- }
- watched_argv = argv;
-
- /* create header */
-
- len = snprintf(header, header_len, "Every %ds:", period);
- /* Don't bother checking for len < 0, as it should never happen.
- * But, just to be prepared... */
- assert(len >= 0);
- do {
- len2 = strlen(*argv);
- if (len + len2 >= header_len-1) {
- break;
- }
- header[len] = ' ';
- memcpy(header+len+1, *argv, len2);
- len += len2+1;
- } while (*++argv);
-
- header[len] = 0;
-
- /* thanks to lye, who showed me how to redirect stdin/stdout */
- old_stdout = dup(1);
-
- while (1) {
- time(&t);
- /* Use dprintf to avoid fflush()ing stdout. */
- if (dprintf(1, "\033[H\033[J%-*s%s\n", header_len, header, ctime(&t)) < 0) {
- bb_perror_msg_and_die("printf");
- }
-
- pid = vfork(); /* vfork, because of ucLinux */
- if (pid > 0) {
- //parent
- wait(0);
- sleep(period);
- } else if (0 == pid) {
- //child
- close(1);
- dup(old_stdout);
- if (execvp(*watched_argv, watched_argv)) {
- bb_error_msg_and_die("Couldn't run command\n");
- }
- } else {
- bb_error_msg_and_die("Couldn't vfork\n");
- }
- }
-}