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/* vi: set sw=4 ts=4: */
/*
* Monitor a pipe with a simple progress display.
*
* Copyright (C) 2003 by Rob Landley <rob@landley.net>, Joey Hess
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include "libbb.h"
#define PIPE_PROGRESS_SIZE 4096
/* Read a block of data from stdin, write it to stdout.
* Activity is indicated by a '.' to stderr
*/
int pipe_progress_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int pipe_progress_main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
{
RESERVE_CONFIG_BUFFER(buf, PIPE_PROGRESS_SIZE);
time_t t = time(NULL);
size_t len;
while ((len = fread(buf, 1, PIPE_PROGRESS_SIZE, stdin)) > 0) {
time_t new_time = time(NULL);
if (new_time != t) {
t = new_time;
fputc('.', stderr);
}
fwrite(buf, len, 1, stdout);
}
fputc('\n', stderr);
if (ENABLE_FEATURE_CLEAN_UP)
RELEASE_CONFIG_BUFFER(buf);
return 0;
}
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