[PATCH] add clear command

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Add the clear command for crash.
Use it to clear the screen.

Signed-off-by: Huang Shijie <shijie@xxxxxxxxxxxxxxxxxxxxxx>
---
This is just for tool "crash".
---
 defs.h        | 2 ++
 global_data.c | 1 +
 help.c        | 8 ++++++++
 tools.c       | 9 +++++++++
 4 files changed, 20 insertions(+)

diff --git a/defs.h b/defs.h
index 96a7a2a..a72aa69 100644
--- a/defs.h
+++ b/defs.h
@@ -5283,6 +5283,7 @@ void cmd_test(void);         /* test.c */
 void cmd_ascii(void);        /* tools.c */
 void cmd_sbitmapq(void);     /* sbitmap.c */
 void cmd_bpf(void);          /* bfp.c */
+void cmd_clear(void);        /* tools.c */
 void cmd_set(void);          /* tools.c */
 void cmd_eval(void);         /* tools.c */
 void cmd_list(void);         /* tools.c */
@@ -5883,6 +5884,7 @@ extern char *help_ascii[];
 extern char *help_bpf[];
 extern char *help_bt[];
 extern char *help_btop[];
+extern char *help_clear[];
 extern char *help_dev[];
 extern char *help_dis[];
 extern char *help_eval[];
diff --git a/global_data.c b/global_data.c
index f9bb7d0..2157e8c 100644
--- a/global_data.c
+++ b/global_data.c
@@ -75,6 +75,7 @@ struct command_table_entry linux_command_table[] = {
         {"bpf",     cmd_bpf,     help_bpf,     0},
         {"bt",      cmd_bt,      help_bt,      REFRESH_TASK_TABLE},
 	{"btop",    cmd_btop,    help_btop,    0},
+	{"clear",   cmd_clear,   help_clear,   0},
 	{"dev",     cmd_dev,     help_dev,     0},
 	{"dis",     cmd_dis,     help_dis,     MINIMAL},
 	{"eval",    cmd_eval,    help_eval,    MINIMAL},
diff --git a/help.c b/help.c
index cc7ab20..04284e5 100644
--- a/help.c
+++ b/help.c
@@ -2293,6 +2293,14 @@ char *help_btop[] = {
 NULL               
 };
 
+char *help_clear[] = {
+"clear",
+"Clear the screen",
+" ",
+"Used to clear the screen",
+NULL
+};
+
 char *help_extend[] = {
 "extend",
 "extend the %s command set",  
diff --git a/tools.c b/tools.c
index 0f2db10..96c8dbe 100644
--- a/tools.c
+++ b/tools.c
@@ -1783,6 +1783,15 @@ mkstring(char *s, int size, ulong flags, const char *opt)
 	return(s);
 }
 
+/*
+ * Clear the screen.
+ */
+void
+cmd_clear(void)
+{
+	system("clear");
+}
+
 /*
  *  Prints the requested number of BACKSPACE characters.
  */
-- 
2.39.2

--
Crash-utility mailing list
Crash-utility@xxxxxxxxxx
https://listman.redhat.com/mailman/listinfo/crash-utility
Contribution Guidelines: https://github.com/crash-utility/crash/wiki




[Index of Archives]     [Fedora Development]     [Fedora Desktop]     [Fedora SELinux]     [Yosemite News]     [KDE Users]     [Fedora Tools]

 

Powered by Linux