+/* vi: set sw=4 ts=4: */
/*
* Monitor a pipe with a simple progress display.
*
* Copyright (C) 2003 by Rob Landley <rob@landley.net>, Joey Hess
*
- * 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
- *
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
+//config:config PIPE_PROGRESS
+//config: bool "pipe_progress"
+//config: default y
+//config: help
+//config: Display a dot to indicate pipe activity.
+
+//applet:IF_PIPE_PROGRESS(APPLET(pipe_progress, BB_DIR_BIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_PIPE_PROGRESS) += pipe_progress.o
-#include <stdio.h>
-#include <unistd.h>
-#include <time.h>
+//usage:#define pipe_progress_trivial_usage NOUSAGE_STR
+//usage:#define pipe_progress_full_usage ""
-#include "busybox.h"
+#include "libbb.h"
#define PIPE_PROGRESS_SIZE 4096
-/* Read a block of data from stdin, write it to stdout.
- * Activity is indicated by a '.' to stderr
+/* Read a block of data from stdin, write it to stdout.
+ * Activity is indicated by a '.' to stderr
*/
-extern int pipe_progress_main(int argc, char **argv)
+int pipe_progress_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int pipe_progress_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
{
- RESERVE_CONFIG_BUFFER(buf, PIPE_PROGRESS_SIZE);
+ char buf[PIPE_PROGRESS_SIZE];
time_t t = time(NULL);
- size_t len;
+ int len;
- while ((len = fread(buf, 1, PIPE_PROGRESS_SIZE, stdin)) > 0) {
+ while ((len = safe_read(STDIN_FILENO, buf, PIPE_PROGRESS_SIZE)) > 0) {
time_t new_time = time(NULL);
if (new_time != t) {
t = new_time;
- fputc('.', stderr);
+ bb_putchar_stderr('.');
}
- fwrite(buf, len, 1, stdout);
+ full_write(STDOUT_FILENO, buf, len);
}
- fputc('\n', stderr);
+ bb_putchar_stderr('\n');
-#ifdef CONFIG_FEATURE_CLEAN_UP
- RELEASE_CONFIG_BUFFER(buf);
-#endif
return 0;
}