source: branches/3.2/mindi-busybox/debianutils/pipe_progress.c @ 3186

Last change on this file since 3186 was 2725, checked in by bruno, 8 years ago
  • Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3
File size: 852 bytes
Line 
1/* vi: set sw=4 ts=4: */
2/*
3 * Monitor a pipe with a simple progress display.
4 *
5 * Copyright (C) 2003 by Rob Landley <rob@landley.net>, Joey Hess
6 *
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
8 */
9#include "libbb.h"
10
11#define PIPE_PROGRESS_SIZE 4096
12
13/* Read a block of data from stdin, write it to stdout.
14 * Activity is indicated by a '.' to stderr
15 */
16int pipe_progress_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
17int pipe_progress_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
18{
19    char buf[PIPE_PROGRESS_SIZE];
20    time_t t = time(NULL);
21    int len;
22
23    while ((len = safe_read(STDIN_FILENO, buf, PIPE_PROGRESS_SIZE)) > 0) {
24        time_t new_time = time(NULL);
25        if (new_time != t) {
26            t = new_time;
27            bb_putchar_stderr('.');
28        }
29        full_write(STDOUT_FILENO, buf, len);
30    }
31
32    bb_putchar_stderr('\n');
33
34    return 0;
35}
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