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-rw-r--r--usr.bin/systat/engine.c42
-rw-r--r--usr.bin/systat/engine.h12
-rw-r--r--usr.bin/systat/main.c14
-rw-r--r--usr.bin/systat/systat.112
4 files changed, 59 insertions, 21 deletions
diff --git a/usr.bin/systat/engine.c b/usr.bin/systat/engine.c
index 2a73f25c462..068174a74cc 100644
--- a/usr.bin/systat/engine.c
+++ b/usr.bin/systat/engine.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: engine.c,v 1.27 2021/02/06 06:19:28 tb Exp $ */
+/* $OpenBSD: engine.c,v 1.28 2021/06/02 08:32:22 martijn Exp $ */
/*
* Copyright (c) 2001, 2007 Can Erkin Acar <canacar@openbsd.org>
*
@@ -91,6 +91,8 @@ char cmdbuf[MAX_LINE_BUF];
int cmd_len = -1;
struct command *curr_cmd = NULL;
char *curr_message = NULL;
+enum message_mode message_mode = MESSAGE_NONE;
+int message_cont = 1;
void print_cmdline(void);
@@ -1145,14 +1147,26 @@ command_set(struct command *cmd, const char *init)
return prev;
}
+void
+message_toggle(enum message_mode mode)
+{
+ message_mode = message_mode != mode ? mode : MESSAGE_NONE;
+ need_update = 1;
+ message_cont = 1;
+}
+
const char *
-message_set(const char *msg) {
- char *prev = curr_message;
- if (msg)
+message_set(const char *msg)
+{
+ free(curr_message);
+
+ if (msg) {
curr_message = strdup(msg);
- else
+ message_cont = 0;
+ } else {
curr_message = NULL;
- free(prev);
+ message_cont = 1;
+ }
return NULL;
}
@@ -1361,6 +1375,22 @@ engine_loop(int countmax)
if (!averageonly ||
(averageonly && count == countmax - 1))
disp_update();
+ if (message_cont) {
+ switch (message_mode) {
+ case MESSAGE_NONE:
+ message_set(NULL);
+ break;
+ case MESSAGE_HELP:
+ show_help();
+ break;
+ case MESSAGE_VIEW:
+ show_view();
+ break;
+ case MESSAGE_ORDER:
+ show_order();
+ break;
+ }
+ }
end_page();
need_update = 0;
if (countmax && ++count >= countmax)
diff --git a/usr.bin/systat/engine.h b/usr.bin/systat/engine.h
index 543d665783c..c8239b5bfbd 100644
--- a/usr.bin/systat/engine.h
+++ b/usr.bin/systat/engine.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: engine.h,v 1.12 2020/01/12 20:51:08 martijn Exp $ */
+/* $OpenBSD: engine.h,v 1.13 2021/06/02 08:32:22 martijn Exp $ */
/*
* Copyright (c) 2001, 2007 Can Erkin Acar <canacar@openbsd.org>
*
@@ -95,6 +95,12 @@ struct command {
void ( *exec)(const char *);
};
+enum message_mode {
+ MESSAGE_NONE,
+ MESSAGE_HELP,
+ MESSAGE_VIEW,
+ MESSAGE_ORDER
+};
void tb_start(void);
@@ -133,6 +139,9 @@ void prev_view(void);
int foreach_order(void (*callback)(order_type *));
void set_order(const char *opt);
void next_order(void);
+void show_help(void);
+void show_view(void);
+void show_order(void);
void setup_term(int maxpr);
int check_termcap(void);
@@ -141,6 +150,7 @@ void engine_initialize(void);
void engine_loop(int countmax);
struct command *command_set(struct command *cmd, const char *init);
+void message_toggle(enum message_mode);
const char *message_set(const char *msg);
void foreach_view(void (*callback)(field_view *));
diff --git a/usr.bin/systat/main.c b/usr.bin/systat/main.c
index 31092ec3f9a..1a67a23e3b8 100644
--- a/usr.bin/systat/main.c
+++ b/usr.bin/systat/main.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: main.c,v 1.73 2021/01/30 08:44:42 martijn Exp $ */
+/* $OpenBSD: main.c,v 1.74 2021/06/02 08:32:22 martijn Exp $ */
/*
* Copyright (c) 2001, 2007 Can Erkin Acar
* Copyright (c) 2001 Daniel Hartmeier
@@ -284,8 +284,7 @@ cmd_compat(const char *buf)
const char *s;
if (strcasecmp(buf, "help") == 0) {
- show_help();
- need_update = 1;
+ message_toggle(MESSAGE_HELP);
return;
}
if (strcasecmp(buf, "quit") == 0 || strcasecmp(buf, "q") == 0) {
@@ -304,8 +303,7 @@ cmd_compat(const char *buf)
return;
}
if (strncasecmp(buf, "order", 5) == 0) {
- show_order();
- need_update = 1;
+ message_toggle(MESSAGE_ORDER);
return;
}
if (strncasecmp(buf, "human", 5) == 0) {
@@ -358,12 +356,10 @@ keyboard_callback(int ch)
case '?':
/* FALLTHROUGH */
case 'h':
- show_help();
- need_update = 1;
+ message_toggle(MESSAGE_HELP);
break;
case CTRL_G:
- show_view();
- need_update = 1;
+ message_toggle(MESSAGE_VIEW);
break;
case 'l':
command_set(&cm_count, NULL);
diff --git a/usr.bin/systat/systat.1 b/usr.bin/systat/systat.1
index fd983f0174e..b796be1b146 100644
--- a/usr.bin/systat/systat.1
+++ b/usr.bin/systat/systat.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: systat.1,v 1.119 2020/06/22 13:17:54 kn Exp $
+.\" $OpenBSD: systat.1,v 1.120 2021/06/02 08:32:22 martijn Exp $
.\" $NetBSD: systat.1,v 1.6 1996/05/10 23:16:39 thorpej Exp $
.\"
.\" Copyright (c) 1985, 1990, 1993
@@ -30,7 +30,7 @@
.\"
.\" @(#)systat.1 8.2 (Berkeley) 12/30/93
.\"
-.Dd $Mdocdate: June 22 2020 $
+.Dd $Mdocdate: June 2 2021 $
.Dt SYSTAT 1
.Os
.Sh NAME
@@ -175,6 +175,8 @@ line typed as a command.
While entering a command the
current character erase, word erase, and line kill characters
may be used.
+.It Ic h
+Toggle printing the names of the available views on the command line.
.It Ic o
Select the next ordering which sorts the rows according to a
combination of columns.
@@ -201,7 +203,7 @@ Jump to the end of the current view.
.It Ic ^F | Aq Ic left arrow
Select the next view.
.It Ic ^G
-Print the name of the current
+Toggle printing the name of the current
view being shown and the refresh interval.
.It Ic ^L
Refresh the screen.
@@ -220,11 +222,11 @@ The following commands are interpreted by the
command interpreter.
.Bl -tag -width Ds
.It Ic help
-Print the names of the available views on the command line.
+Toggle printing the names of the available views on the command line.
.It Ic human
Toggle human readable mode, where applicable.
.It Ic order
-Print the names of the available orderings on the command line.
+Toggle printing the names of the available orderings on the command line.
.It Ic quit
Quit
.Nm .