1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2019, 2020 Yoshihiro Ota
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD: stable/12/usr.bin/systat/sysput.c 369815 2021-05-17 06:08:29Z mckusick $");
30
31 #include <sys/types.h>
32 #include <sys/sysctl.h>
33
34 #include <inttypes.h>
35 #include <string.h>
36 #include <err.h>
37 #include <libutil.h>
38
39 #include "systat.h"
40 #include "extern.h"
41
42 void
sysputspaces(WINDOW * wd,int row,int col,int width)43 sysputspaces(WINDOW *wd, int row, int col, int width)
44 {
45 static char str60[] = " "
46 " ";
47
48 mvwaddstr(wd, row, col, str60 + sizeof(str60) - width - 1);
49 }
50
51 void
sysputstrs(WINDOW * wd,int row,int col,int width)52 sysputstrs(WINDOW *wd, int row, int col, int width)
53 {
54 static char str60[] = "********************"
55 "****************************************";
56
57 mvwaddstr(wnd, row, col, str60 + sizeof(str60) - width - 1);
58 }
59
60 void
sysputXs(WINDOW * wd,int row,int col,int width)61 sysputXs(WINDOW *wd, int row, int col, int width)
62 {
63 static char str60[] = "XXXXXXXXXXXXXXXXXXXX"
64 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
65
66 mvwaddstr(wnd, row, col, str60 + sizeof(str60) - width - 1);
67 }
68
69 void
sysputuint64(WINDOW * wd,int row,int col,int width,uint64_t val,int flags)70 sysputuint64(WINDOW *wd, int row, int col, int width, uint64_t val, int flags)
71 {
72 char unit, *ptr, *start, wrtbuf[width + width + 1];
73 int len;
74
75 unit = 0;
76 start = wrtbuf;
77 flags |= HN_NOSPACE;
78
79 if (val > INT64_MAX)
80 goto error;
81 else
82 len = humanize_number(&wrtbuf[width], width + 1, val, "",
83 HN_AUTOSCALE, flags);
84 if (len < 0)
85 goto error;
86 else if (len < width)
87 memset(wrtbuf + len, ' ', width - len);
88 start += len;
89
90 mvwaddstr(wd, row, col, start);
91 return;
92
93 error:
94 sysputstrs(wd, row, col, width);
95 }
96
97 void
sysputwuint64(WINDOW * wd,int row,int col,int width,uint64_t val,int flags)98 sysputwuint64(WINDOW *wd, int row, int col, int width, uint64_t val, int flags)
99 {
100 if(val == 0)
101 sysputspaces(wd, row, col, width);
102 else
103 sysputuint64(wd, row, col, width, val, flags);
104 }
105
106 static int
calc_page_shift()107 calc_page_shift()
108 {
109 u_int page_size;
110 int shifts;
111
112 shifts = 0;
113 GETSYSCTL("vm.stats.vm.v_page_size", page_size);
114 for(; page_size > 1; page_size >>= 1)
115 shifts++;
116 return shifts;
117 }
118
119 void
sysputpage(WINDOW * wd,int row,int col,int width,uint64_t pages,int flags)120 sysputpage(WINDOW *wd, int row, int col, int width, uint64_t pages, int flags)
121 {
122 static int shifts = 0;
123
124 if (shifts == 0)
125 shifts = calc_page_shift();
126 pages <<= shifts;
127 sysputuint64(wd, row, col, width, pages, flags);
128 }
129