1/*-
2 * Copyright (c) 2019 Yoshihiro Ota
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 * 3. Neither the name of the University nor the names of its contributors
13 *    may be used to endorse or promote products derived from this software
14 *    without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD$");
31
32#include <sys/types.h>
33#include <sys/sysctl.h>
34
35#include <inttypes.h>
36#include <string.h>
37#include <err.h>
38#include <libutil.h>
39
40#include "systat.h"
41#include "extern.h"
42
43void
44sysputspaces(WINDOW *wd, int row, int col, int width)
45{
46	static char str40[] = "                                        ";
47
48	mvwaddstr(wd, row, col, str40 + sizeof(str40) - width - 1);
49}
50
51void
52sysputstrs(WINDOW *wd, int row, int col, int width)
53{
54	static char str40[] = "****************************************";
55
56	mvwaddstr(wnd, row, col, str40 + sizeof(str40) - width - 1);
57}
58
59void
60sysputuint64(WINDOW *wd, int row, int col, int width, uint64_t val, int flags)
61{
62	char unit, *ptr, *start, wrtbuf[width + width + 1];
63	int len;
64
65	unit = 0;
66	start = wrtbuf;
67	flags |= HN_NOSPACE;
68
69	if (val > INT64_MAX)
70		goto error;
71	else
72		len = humanize_number(&wrtbuf[width], width + 1, val, "",
73			HN_AUTOSCALE, flags);
74	if (len < 0)
75		goto error;
76	else if (len < width)
77		memset(wrtbuf + len, ' ', width - len);
78	start += len;
79
80	mvwaddstr(wd, row, col, start);
81	return;
82
83error:
84	sysputstrs(wd, row, col, width);
85}
86
87void
88sysputwuint64(WINDOW *wd, int row, int col, int width, uint64_t val, int flags)
89{
90	if(val == 0)
91		sysputspaces(wd, row, col, width);
92	else
93		sysputuint64(wd, row, col, width, val, flags);
94}
95
96static int
97calc_page_shift()
98{
99	u_int page_size;
100	int shifts;
101
102	shifts = 0;
103	GETSYSCTL("vm.stats.vm.v_page_size", page_size);
104	for(; page_size > 1; page_size >>= 1)
105		shifts++;
106	return shifts;
107}
108
109void
110sysputpage(WINDOW *wd, int row, int col, int width, uint64_t pages, int flags)
111{
112	static int shifts = 0;
113
114	if (shifts == 0)
115		shifts = calc_page_shift();
116	pages <<= shifts;
117	sysputuint64(wd, row, col, width, pages, flags);
118}
119