xref: /freebsd/usr.bin/systat/sysput.c (revision 2e3f49888ec8851bafb22011533217487764fdb0)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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/types.h>
29 #include <sys/sysctl.h>
30 
31 #include <err.h>
32 #include <inttypes.h>
33 #include <libutil.h>
34 #include <machine/param.h>
35 #include <string.h>
36 
37 #include "systat.h"
38 #include "extern.h"
39 
40 void
41 sysputspaces(WINDOW *wd, int row, int lcol, int width)
42 {
43 	static char str60[] = "                    "
44 	    "                                        ";
45 
46 	mvwaddstr(wd, row, lcol, str60 + sizeof(str60) - width - 1);
47 }
48 
49 void
50 sysputstrs(WINDOW *wd __unused, int row, int lcol, int width)
51 {
52 	static char str60[] = "********************"
53 	    "****************************************";
54 
55 	/*
56 	 * XXX wnd instead of wd?
57 	 */
58 	mvwaddstr(wnd, row, lcol, str60 + sizeof(str60) - width - 1);
59 }
60 
61 void
62 sysputXs(WINDOW *wd __unused, int row, int lcol, int width)
63 {
64 	static char str60[] = "XXXXXXXXXXXXXXXXXXXX"
65 	    "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
66 
67 	/*
68 	 * XXX wnd instead of wd?
69 	 */
70 	mvwaddstr(wnd, row, lcol, str60 + sizeof(str60) - width - 1);
71 }
72 
73 void
74 sysputuint64(WINDOW *wd, int row, int lcol, int width, uint64_t val, int flags)
75 {
76 	char *start, wrtbuf[width + width + 1];
77 	int len;
78 
79 	start = wrtbuf;
80 	flags |= HN_NOSPACE;
81 
82 	if (val > INT64_MAX)
83 		goto error;
84 	else
85 		len = humanize_number(&wrtbuf[width], width + 1, val, "",
86 			HN_AUTOSCALE, flags);
87 	if (len < 0)
88 		goto error;
89 	else if (len < width)
90 		memset(wrtbuf + len, ' ', width - len);
91 	start += len;
92 
93 	mvwaddstr(wd, row, lcol, start);
94 	return;
95 
96 error:
97 	sysputstrs(wd, row, lcol, width);
98 }
99 
100 void
101 sysputwuint64(WINDOW *wd, int row, int lcol, int width, uint64_t val, int flags)
102 {
103 	if(val == 0)
104 		sysputspaces(wd, row, lcol, width);
105 	else
106 		sysputuint64(wd, row, lcol, width, val, flags);
107 }
108 
109 void
110 sysputpage(WINDOW *wd, int row, int lcol, int width, uint64_t pages, int flags)
111 {
112 
113 	sysputuint64(wd, row, lcol, width, ptoa(pages), flags);
114 }
115