40 lines
919 B
C
40 lines
919 B
C
/* vi: set sw=4 ts=4: */
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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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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.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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int pipe_progress_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int pipe_progress_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
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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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if (ENABLE_FEATURE_CLEAN_UP)
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RELEASE_CONFIG_BUFFER(buf);
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return 0;
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}
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