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From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
To: barebox@lists.infradead.org
Subject: [PATCH 03/10] command: allow runtime usage
Date: Mon, 16 Mar 2015 11:15:38 +0100	[thread overview]
Message-ID: <1426500945-31815-3-git-send-email-plagnioj@jcrosoft.com> (raw)
In-Reply-To: <1426500945-31815-1-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


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  parent reply	other threads:[~2015-03-16 10:16 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-16 10:13 [PATCH 00/10 v3] prepare for rsa support Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 10:15 ` [PATCH 01/10] digest: add verify callback Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 10:15   ` [PATCH 02/10] command: rename digest.c to hashsum.c Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 10:15   ` Jean-Christophe PLAGNIOL-VILLARD [this message]
2015-03-16 10:15   ` [PATCH 04/10] command: add generic digest command Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 11:49     ` Jan Lübbe
2015-03-16 14:51       ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 10:15   ` [PATCH 05/10] digest: add digest callback Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 10:15   ` [PATCH 06/10] crypto: add pbkdf2 hmac key generator Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 10:15   ` [PATCH 07/10] password: add pbkdf2 support Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 10:49     ` Jan Lübbe
2015-03-16 11:01       ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 11:05         ` Jan Lübbe
2015-03-16 11:25           ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 11:41             ` Jan Lübbe
2015-03-16 11:52               ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 11:58                 ` Jan Lübbe
2015-03-16 12:10                   ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 13:14                     ` Jan Lübbe
2015-03-16 13:55                       ` Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 10:15   ` [PATCH 08/10] digest: allow algo to specify their length at runtime Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 10:15   ` [PATCH 09/10] crypto: hmac: use digest_digest and check the return of every digest_xxx Jean-Christophe PLAGNIOL-VILLARD
2015-03-16 10:15   ` [PATCH 10/10] digest: digest_file_window: check every digest_xxx return Jean-Christophe PLAGNIOL-VILLARD

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