Last change
on this file since 3882 was 3621, checked in by Bruno Cornec, 8 years ago |
New 3?3 banch for incorporation of latest busybox 1.25. Changing minor version to handle potential incompatibilities.
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File size:
1.2 KB
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * Monitor a pipe with a simple progress display.
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4 | *
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5 | * Copyright (C) 2003 by Rob Landley <rob@landley.net>, Joey Hess
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6 | *
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7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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8 | */
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9 | //config:config PIPE_PROGRESS
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10 | //config: bool "pipe_progress"
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11 | //config: default y
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12 | //config: help
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13 | //config: Display a dot to indicate pipe activity.
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14 |
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15 | //applet:IF_PIPE_PROGRESS(APPLET(pipe_progress, BB_DIR_BIN, BB_SUID_DROP))
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16 |
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17 | //kbuild:lib-$(CONFIG_PIPE_PROGRESS) += pipe_progress.o
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18 |
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19 | //usage:#define pipe_progress_trivial_usage NOUSAGE_STR
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20 | //usage:#define pipe_progress_full_usage ""
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21 |
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22 | #include "libbb.h"
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23 |
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24 | #define PIPE_PROGRESS_SIZE 4096
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25 |
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26 | /* Read a block of data from stdin, write it to stdout.
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27 | * Activity is indicated by a '.' to stderr
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28 | */
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29 | int pipe_progress_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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30 | int pipe_progress_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
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31 | {
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32 | char buf[PIPE_PROGRESS_SIZE];
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33 | time_t t = time(NULL);
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34 | int len;
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35 |
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36 | while ((len = safe_read(STDIN_FILENO, buf, PIPE_PROGRESS_SIZE)) > 0) {
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37 | time_t new_time = time(NULL);
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38 | if (new_time != t) {
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39 | t = new_time;
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40 | bb_putchar_stderr('.');
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41 | }
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42 | full_write(STDOUT_FILENO, buf, len);
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43 | }
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44 |
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45 | bb_putchar_stderr('\n');
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46 |
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47 | return 0;
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48 | }
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