aboutsummaryrefslogtreecommitdiff
path: root/toys/count.c
blob: b4e243320e5df6ca93cdab7e2a3ad907591a41da (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
/* vi: set sw=4 ts=4:
 *
 * count.c - Progress indicator from stdin to stdout
 *
 * Copyright 2002 Rob Landley <rob@landley.net>
 *
 * Not in SUSv3.

config COUNT
	bool "count"
	default y
	help
	  usage: count

	  Copy stdin to stdout, displaying simple progress indicator to stderr.
*/

#include "toys.h"

void count_main(void)
{
	uint64_t size = 0;
	int len;

	for (;;) {
		len = xread(0, toybuf, sizeof(toybuf));
		if (!len) break;
		size += len;
		xwrite(1, toybuf, sizeof(toybuf));
		fdprintf(2, "%"PRIu64" bytes\r", size);
	}
	fdprintf(2,"\n");
}