Annotation of /trunk/mkinitrd-magellan/busybox/debianutils/pipe_progress.c
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Revision 532 -
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Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
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Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
File MIME type: text/plain
File size: 901 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
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 | |||
10 | #include "busybox.h" | ||
11 | #include <stdio.h> | ||
12 | #include <stdlib.h> | ||
13 | #include <unistd.h> | ||
14 | #include <time.h> | ||
15 | |||
16 | #define PIPE_PROGRESS_SIZE 4096 | ||
17 | |||
18 | /* Read a block of data from stdin, write it to stdout. | ||
19 | * Activity is indicated by a '.' to stderr | ||
20 | */ | ||
21 | int pipe_progress_main(int argc, char **argv) | ||
22 | { | ||
23 | RESERVE_CONFIG_BUFFER(buf, PIPE_PROGRESS_SIZE); | ||
24 | time_t t = time(NULL); | ||
25 | size_t len; | ||
26 | |||
27 | while ((len = fread(buf, 1, PIPE_PROGRESS_SIZE, stdin)) > 0) { | ||
28 | time_t new_time = time(NULL); | ||
29 | if (new_time != t) { | ||
30 | t = new_time; | ||
31 | fputc('.', stderr); | ||
32 | } | ||
33 | fwrite(buf, len, 1, stdout); | ||
34 | } | ||
35 | |||
36 | fputc('\n', stderr); | ||
37 | |||
38 | if (ENABLE_FEATURE_CLEAN_UP) | ||
39 | RELEASE_CONFIG_BUFFER(buf); | ||
40 | |||
41 | return 0; | ||
42 | } |