On 2023/10/10 15:09, lijiang wrote:
> On Tue, Oct 10, 2023 at 8:31 AM HAGIO KAZUHITO(萩尾 一仁) <k-hagio-ab@xxxxxxx>
> wrote:
>
>> On 2023/10/07 16:48, lijiang wrote:
>>> On Fri, Sep 29, 2023 at 12:30 PM HAGIO KAZUHITO(萩尾 一仁) <
>> k-hagio-ab@xxxxxxx>
>>> wrote:
>>>
>>>> On 2023/09/29 9:58, Shijie Huang wrote:
>>>>> Hi Kazu,
>>>>>
>>>>> 在 2023/9/29 8:44, HAGIO KAZUHITO(萩尾 一仁) 写道:
>>>>>> On 2023/09/21 11:00, Huang Shijie wrote:
>>>>>>> Add the clear command for crash.
>>>>>>> Use it to clear the screen.
>>>>>> Sorry, but I would not like to add a command just to do this.
>>>>>
>>>>> My final purpose is to use 'alias' to map the command to 'c':
>>>>>
>>>>> alias c clear
>>>>>
>>>>
>>>> Ah, got it. External commands cannot be used as a command for alias, so
>>>> I added it exceptionally.
>>>>
>>>> Lianbo, is this OK?
>>>>
>>>>
>>> Sorry for the late reply.
>>>
>>> This seems acceptable. But I just have one question, please see the
>> comment
>>> below.
>>>
>>>
>>>> From c9dc09e9c3e9b51664c555fd6dda71999c193ca8 Mon Sep 17 00:00:00 2001
>>>> From: Kazuhito Hagio <k-hagio-ab@xxxxxxx>
>>>> Date: Fri, 29 Sep 2023 11:58:04 +0900
>>>> Subject: [PATCH] Make "clear" external command runnable without "!" and
>>>> alias-able
>>>>
>>>> Make the "clear" external command runnable without an exclamation point
>>>> ("!") for convenient. Additionally, make it acceptable as a command
>>>> string for alias exceptionally in external commands.
>>>>
>>>> Signed-off-by: Kazuhito Hagio <k-hagio-ab@xxxxxxx>
>>>> ---
>>>> cmdline.c | 4 ++++
>>>> main.c | 3 ++-
>>>> 2 files changed, 6 insertions(+), 1 deletion(-)
>>>>
>>>> diff --git a/cmdline.c b/cmdline.c
>>>> index b7f919ae2279..65da04cbf9a5 100644
>>>> --- a/cmdline.c
>>>> +++ b/cmdline.c
>>>> @@ -1833,6 +1833,10 @@ allocate_alias(int origin)
>>>> if (get_command_table_entry(args[2]))
>>>> found = TRUE;
>>>>
>>>> + /* Accept the "clear" external command exceptionally. */
>>>> + if (STREQ(args[2], "clear"))
>>>> + found = TRUE;
>>>>
>>>
>>> I added the debugging info here:
>>>
>>> + error(INFO, "args1->%s, args2->%s\n",args[1], args[2]);
>>> + /* Accept the "clear" external command exceptionally. */
>>> + if (STREQ(args[2], "clear"))
>>> + found = TRUE;
>>>
>>> And I did not see any output information with the string "clear".
>>> The variable 'found' won't be set to 'TRUE' unless it is initialized in
>> the
>>> alias_init() such as the "lsmod", right?
>>
>> No. sorry, maybe I don't get your question... but this hunk is for
>> something like:
>>
>>
> This answers my question. Thank you, Kazu.
>
>
>> crash> alias c clear
>> alias: args1->c, args2->clear
>> ORIGIN ALIAS COMMAND
>> runtime c clear
>> crash> c
>> (I can confirm that the screen is cleared.)
>>
>> I don't intend to have it as a builtin alias.
>>
>>
> Looks good to me. So, for the patch: Ack.
Thanks, applied.
https://github.com/crash-utility/crash/commit/5e758aaa0fd8199e21a2d4d04b486bc873bd788b
Kazu
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