Contents of /trunk/mkinitrd-magellan/busybox/debianutils/pipe_progress.c
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Wed Aug 18 21:56:57 2010 UTC (14 years, 1 month ago) by niro
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Wed Aug 18 21:56:57 2010 UTC (14 years, 1 month ago) by niro
File MIME type: text/plain
File size: 860 byte(s)
-updated to busybox-1.17.1
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 tarball for details. |
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 | */ |
16 | int pipe_progress_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
17 | int 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 | } |