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BUG/MINOR: cli: don't complain about empty command on empty lines

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There's something very irritating on the CLI, when just pressing ENTER,
it complains "Unknown command: ''..." and dumps all the help. This
action is often done to add a bit of clearance after a dump to visually
find delimitors later, but this stupid error makes it unusable. This
patch addresses this by just returning on empty command instead of trying
to look up a matching keyword. It will result in an empty line to mark
the end of the empty command and a prompt again.

It's probably not worth backporting this given that nobody seems to have
complained about it yet.
This commit is contained in:
Willy Tarreau 2023-05-11 16:32:56 +02:00
parent 31b23aef38
commit 21d7125c92
1 changed files with 3 additions and 0 deletions
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3
src/cli.c
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@ -800,6 +800,9 @@ static int cli_parse_request(struct appctx *appctx)
for (; i < MAX_CLI_ARGS + 1; i++) for (; i < MAX_CLI_ARGS + 1; i++)
args[i] = p; args[i] = p;
if (!**args)
return 0;
kw = cli_find_kw(args); kw = cli_find_kw(args);
if (!kw || if (!kw ||
(kw->level & ~appctx->cli_level & ACCESS_MASTER_ONLY) || (kw->level & ~appctx->cli_level & ACCESS_MASTER_ONLY) ||