Annotation of /trunk/mkinitrd-magellan/busybox/debianutils/pipe_progress.c
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Revision 1123 -
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Wed Aug 18 21:56:57 2010 UTC (13 years, 10 months ago) by niro
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Wed Aug 18 21:56:57 2010 UTC (13 years, 10 months ago) by niro
File MIME type: text/plain
File size: 860 byte(s)
-updated to busybox-1.17.1
1 | niro | 532 | /* 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 | niro | 816 | #include "libbb.h" |
10 | niro | 532 | |
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 | niro | 816 | 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 | niro | 532 | { |
19 | niro | 1123 | char buf[PIPE_PROGRESS_SIZE]; |
20 | niro | 532 | time_t t = time(NULL); |
21 | niro | 1123 | int len; |
22 | niro | 532 | |
23 | niro | 1123 | while ((len = safe_read(STDIN_FILENO, buf, PIPE_PROGRESS_SIZE)) > 0) { |
24 | niro | 532 | time_t new_time = time(NULL); |
25 | if (new_time != t) { | ||
26 | t = new_time; | ||
27 | niro | 1123 | bb_putchar_stderr('.'); |
28 | niro | 532 | } |
29 | niro | 1123 | full_write(STDOUT_FILENO, buf, len); |
30 | niro | 532 | } |
31 | |||
32 | niro | 1123 | bb_putchar_stderr('\n'); |
33 | niro | 532 | |
34 | return 0; | ||
35 | } |