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55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
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/*
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* Monitor a pipe with a simple progress display.
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*
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* Copyright (C) 2003 by Rob Landley <rob@landley.net>, Joey Hess
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <time.h>
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#include "busybox.h"
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#define PIPE_PROGRESS_SIZE 4096
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/* Read a block of data from stdin, write it to stdout.
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* Activity is indicated by a '.' to stderr
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*/
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extern int pipe_progress_main(int argc, char **argv)
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{
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RESERVE_CONFIG_BUFFER(buf, PIPE_PROGRESS_SIZE);
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time_t t = time(NULL);
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size_t len;
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while ((len = fread(buf, 1, PIPE_PROGRESS_SIZE, stdin)) > 0) {
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time_t new_time = time(NULL);
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if (new_time != t) {
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t = new_time;
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fputc('.', stderr);
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}
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fwrite(buf, len, 1, stdout);
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}
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fputc('\n', stderr);
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#ifdef CONFIG_FEATURE_CLEAN_UP
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RELEASE_CONFIG_BUFFER(buf);
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#endif
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return 0;
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}
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