mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 3/8] command: allow runtime usage
Date: Mon, 16 Mar 2015 10:19:00 +0100	[thread overview]
Message-ID: <1426497545-24175-3-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <1426497545-24175-1-git-send-email-plagnioj@jcrosoft.com>

This will allow as example to list the currently supported digest.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 common/command.c  | 2 ++
 include/command.h | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/common/command.c b/common/command.c
index 61191c2..dc2cb88 100644
--- a/common/command.c
+++ b/common/command.c
@@ -47,6 +47,8 @@ void barebox_cmd_usage(struct command *cmdtp)
 		puts(cmdtp->help);
 		putchar('\n');
 	}
+	if (cmdtp->usage)
+		cmdtp->usage();
 #endif
 }
 EXPORT_SYMBOL(barebox_cmd_usage);
diff --git a/include/command.h b/include/command.h
index 5d5bf53..3aca1a9 100644
--- a/include/command.h
+++ b/include/command.h
@@ -54,6 +54,7 @@ struct command {
 	uint32_t	group;
 #ifdef	CONFIG_LONGHELP
 	const char	*help;		/* Help  message	(long)	*/
+	void		(*usage)(void);
 #endif
 }
 #ifdef __x86_64__
@@ -115,8 +116,10 @@ static const __maybe_unused char cmd_##_name##_help[] =
 
 #ifdef CONFIG_LONGHELP
 #define BAREBOX_CMD_HELP(text)	.help = text,
+#define BAREBOX_CMD_USAGE(fn)	.usage = fn,
 #else
 #define BAREBOX_CMD_HELP(text)
+#define BAREBOX_CMD_USAGE(fn)
 #endif
 
 #define BAREBOX_CMD_GROUP(grp)	.group = grp,
-- 
2.1.4


_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

  parent reply	other threads:[~2015-03-16  9:19 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-16  9:17 [PATCH 0/8 v2] prepare for rsa support Jean-Christophe PLAGNIOL-VILLARD
2015-03-16  9:18 ` [PATCH 1/8] digest: add verify callback Jean-Christophe PLAGNIOL-VILLARD
2015-03-16  9:18   ` [PATCH 2/8] command: rename digest.c to hashsum.c Jean-Christophe PLAGNIOL-VILLARD
2015-03-16  9:19   ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2015-03-16  9:19   ` [PATCH 4/8] command: add generic digest command Jean-Christophe PLAGNIOL-VILLARD
2015-03-16  9:19   ` [PATCH 5/8] digest: add digest callback Jean-Christophe PLAGNIOL-VILLARD
2015-03-16  9:19   ` [PATCH 6/8] crypto: add pbkdf2 hmac key generator Jean-Christophe PLAGNIOL-VILLARD
2015-03-16  9:19   ` [PATCH 7/8] password: add pbkdf2 support Jean-Christophe PLAGNIOL-VILLARD
2015-03-16  9:19   ` [PATCH 8/8] digest: allow algo to specify their length at runtime Jean-Christophe PLAGNIOL-VILLARD

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1426497545-24175-3-git-send-email-plagnioj@jcrosoft.com \
    --to=plagnioj@jcrosoft.com \
    --cc=barebox@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox