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D34541.diff
jlduran_gmail.com (Jose Luis Duran)
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jlduran_gmail.com
Mar 21 2022, 7:36 AM
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D34541.diff
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diff --git a/usr.bin/who/Makefile b/usr.bin/who/Makefile
index 0478d73071a320..09b44cf6459ee9 100644
--- a/usr.bin/who/Makefile
+++ b/usr.bin/who/Makefile
@@ -2,5 +2,6 @@
# $FreeBSD$
PROG= who
+LIBADD= xo
.include <bsd.prog.mk>
diff --git a/usr.bin/who/who.1 b/usr.bin/who/who.1
index 0653b8b824b72c..08b0e0033532b4 100644
--- a/usr.bin/who/who.1
+++ b/usr.bin/who/who.1
@@ -28,7 +28,7 @@
.\" @(#)who.1 8.2 (Berkeley) 12/30/93
.\" $FreeBSD$
.\"
-.Dd August 30, 2020
+.Dd March 21, 2022
.Dt WHO 1
.Os
.Sh NAME
@@ -36,6 +36,7 @@
.Nd display who is on the system
.Sh SYNOPSIS
.Nm
+.Op Fl -libxo
.Op Fl abHmqsTu
.Op Cm am I
.Op Ar file
@@ -48,6 +49,13 @@ remote hostname if not local.
.Pp
The options are as follows:
.Bl -tag -width indent
+.It Fl -libxo
+Generate output via
+.Xr libxo 3
+in a selection of different human and machine readable formats.
+See
+.Xr xo_parse_args 3
+for details on command line arguments.
.It Fl a
Equivalent to
.Fl bTu ,
@@ -185,7 +193,9 @@ root - ttyv2 Aug 26 16:23 00:01
.Xr last 1 ,
.Xr users 1 ,
.Xr w 1 ,
-.Xr getutxent 3
+.Xr getutxent 3 ,
+.Xr libxo 3 ,
+.Xr xo_parse_args 3
.Sh STANDARDS
The
.Nm
diff --git a/usr.bin/who/who.c b/usr.bin/who/who.c
index add2fb27a27a2a..55ced294652217 100644
--- a/usr.bin/who/who.c
+++ b/usr.bin/who/who.c
@@ -48,6 +48,7 @@ __FBSDID("$FreeBSD$");
#include <timeconv.h>
#include <unistd.h>
#include <utmpx.h>
+#include <libxo/xo.h>
static void heading(void);
static void process_utmp(void);
@@ -73,6 +74,8 @@ main(int argc, char *argv[])
setlocale(LC_TIME, "");
+ argc = xo_parse_args(argc, argv);
+
while ((ch = getopt(argc, argv, "HTabmqsu")) != -1) {
switch (ch) {
case 'H': /* Write column headings */
@@ -122,6 +125,8 @@ main(int argc, char *argv[])
err(1, "%s", *argv);
}
+ xo_open_container("who");
+
if (qflag)
quick();
else {
@@ -129,13 +134,17 @@ main(int argc, char *argv[])
Tflag = uflag = 0;
if (Hflag)
heading();
+ xo_open_list("entry");
if (mflag)
whoami();
else
process_utmp();
+ xo_close_list("entry");
}
endutxent();
+ xo_close_container("who");
+ xo_finish();
exit(0);
}
@@ -144,7 +153,8 @@ static void
usage(void)
{
- fprintf(stderr, "usage: who [-abHmqsTu] [am I] [file]\n");
+ xo_error("usage: who [-abHmqsTu] [am I] [file]\n");
+ xo_finish();
exit(1);
}
@@ -152,13 +162,15 @@ static void
heading(void)
{
- printf("%-16s ", "NAME");
- if (Tflag)
- printf("S ");
- printf("%-12s %-12s ", "LINE", "TIME");
- if (uflag)
- printf("IDLE ");
- printf("%-16s\n", "FROM");
+ if (xo_get_style(NULL) == XO_STYLE_TEXT) {
+ xo_emit("{:headingname/%-16s} ", "NAME");
+ if (Tflag)
+ xo_emit("{:headingstate/%s}", "S ");
+ xo_emit("{:headingline/%-12s} {:headingtime/%-12s} ", "LINE", "TIME");
+ if (uflag)
+ xo_emit("{:headingidle/%s}", "IDLE ");
+ xo_emit("{:headingfrom/%-16s}\n", "FROM");
+ }
}
static void
@@ -171,6 +183,7 @@ row(const struct utmpx *ut)
struct tm *tm;
char state;
+ xo_open_instance("entry");
if (d_first < 0)
d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
@@ -185,29 +198,59 @@ row(const struct utmpx *ut)
}
}
- printf("%-16s ", ut->ut_user);
- if (Tflag)
- printf("%c ", state);
+ if (xo_get_style(NULL) != XO_STYLE_TEXT)
+ xo_emit("{:name/%s}", ut->ut_user);
+ else
+ xo_emit("{:name/%-16s} ", ut->ut_user);
+ if (Tflag) {
+ if (xo_get_style(NULL) != XO_STYLE_TEXT)
+ xo_emit("{:state/%c}", state);
+ else
+ xo_emit("{:state/%c} ", state);
+ }
+
if (ut->ut_type == BOOT_TIME)
- printf("%-12s ", "system boot");
+ if (xo_get_style(NULL) != XO_STYLE_TEXT)
+ xo_emit("{:line/%s}", "system boot");
+ else
+ xo_emit("{:line/%-12s} ", "system boot");
else
- printf("%-12s ", ut->ut_line);
+ if (xo_get_style(NULL) != XO_STYLE_TEXT)
+ xo_emit("{:line/%s}", ut->ut_line);
+ else
+ xo_emit("{:line/%-12s} ", ut->ut_line);
t = ut->ut_tv.tv_sec;
tm = localtime(&t);
strftime(buf, sizeof(buf), d_first ? "%e %b %R" : "%b %e %R", tm);
- printf("%-*s ", 12, buf);
+ if (xo_get_style(NULL) != XO_STYLE_TEXT)
+ xo_emit("{:time/%s}", buf);
+ else
+ xo_emit("{:time/%-12s} ", buf);
if (uflag) {
- if (idle < 60)
- printf(" . ");
- else if (idle < 24 * 60 * 60)
- printf("%02d:%02d ", (int)(idle / 60 / 60),
- (int)(idle / 60 % 60));
- else
- printf(" old ");
+ if (idle < 60) {
+ if (xo_get_style(NULL) != XO_STYLE_TEXT)
+ xo_emit("{:idle/%s}", ".");
+ else
+ xo_emit("{:idle/%s}", " . ");
+ } else if (idle < 24 * 60 * 60) {
+ if (xo_get_style(NULL) != XO_STYLE_TEXT)
+ xo_emit("{:idle/%02d:%02d}", (int)(idle / 60 / 60), (int)(idle / 60 % 60));
+ else
+ xo_emit("{:idle/%02d:%02d} ", (int)(idle / 60 / 60), (int)(idle / 60 % 60));
+ } else {
+ if (xo_get_style(NULL) != XO_STYLE_TEXT)
+ xo_emit("{:idle/%s}", "old");
+ else
+ xo_emit("{:idle/%s}", " old ");
+ }
}
if (*ut->ut_host != '\0')
- printf("(%s)", ut->ut_host);
- putchar('\n');
+ xo_emit("{:host/(%s)}", ut->ut_host);
+ else
+ xo_emit("{:host/%s}", "");
+ if (xo_get_style(NULL) == XO_STYLE_TEXT)
+ xo_emit("\n");
+ xo_close_instance("entry");
}
static int
@@ -247,22 +290,31 @@ quick(void)
ncols = ttywidth();
col = num = 0;
+ xo_open_list("entry");
while ((utx = getutxent()) != NULL) {
if (utx->ut_type != USER_PROCESS)
continue;
- printf("%-16s", utx->ut_user);
- if (++col < ncols / (16 + 1))
- putchar(' ');
- else {
- col = 0;
- putchar('\n');
+ xo_open_instance("entry");
+ if (xo_get_style(NULL) == XO_STYLE_TEXT)
+ xo_emit("{:name/%-16s}", utx->ut_user);
+ else
+ xo_emit("{:name/%s}", utx->ut_user);
+ if (xo_get_style(NULL) == XO_STYLE_TEXT) {
+ if (++col < ncols / (16 + 1))
+ xo_emit(" ");
+ else {
+ col = 0;
+ xo_emit("\n");
+ }
}
num++;
+ xo_close_instance("entry");
}
if (col != 0)
- putchar('\n');
+ xo_emit("\n");
- printf("# users = %d\n", num);
+ xo_close_list("entry");
+ xo_emit("# users = {:users/%d}\n", num);
}
static void
@@ -307,7 +359,7 @@ ttywidth(void)
width = strtol(cols, &ep, 10);
if (errno || width <= 0 || width > INT_MAX || ep == cols ||
*ep != '\0')
- warnx("invalid COLUMNS environment variable ignored");
+ xo_warnx("invalid COLUMNS environment variable ignored");
else
return (width);
}

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