Last change
on this file since 3842 was 3232, checked in by Bruno Cornec, 11 years ago |
- Update mindi-busybox to 1.21.1
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File size:
954 bytes
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Rev | Line | |
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[821] | 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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[2725] | 7 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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[821] | 8 | */
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[3232] | 9 |
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| 10 | //usage:#define pipe_progress_trivial_usage NOUSAGE_STR
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| 11 | //usage:#define pipe_progress_full_usage ""
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| 12 |
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[1765] | 13 | #include "libbb.h"
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[821] | 14 |
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| 15 | #define PIPE_PROGRESS_SIZE 4096
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| 16 |
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| 17 | /* Read a block of data from stdin, write it to stdout.
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| 18 | * Activity is indicated by a '.' to stderr
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| 19 | */
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[2725] | 20 | int pipe_progress_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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| 21 | int pipe_progress_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
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[821] | 22 | {
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[2725] | 23 | char buf[PIPE_PROGRESS_SIZE];
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[821] | 24 | time_t t = time(NULL);
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[2725] | 25 | int len;
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[821] | 26 |
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[2725] | 27 | while ((len = safe_read(STDIN_FILENO, buf, PIPE_PROGRESS_SIZE)) > 0) {
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[821] | 28 | time_t new_time = time(NULL);
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| 29 | if (new_time != t) {
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| 30 | t = new_time;
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[2725] | 31 | bb_putchar_stderr('.');
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[821] | 32 | }
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[2725] | 33 | full_write(STDOUT_FILENO, buf, len);
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[821] | 34 | }
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| 35 |
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[2725] | 36 | bb_putchar_stderr('\n');
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[821] | 37 |
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| 38 | return 0;
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| 39 | }
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