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 1/1] command: crc: add -V option to check the crc store in a file
Date: Tue, 17 Sep 2013 09:58:53 +0200	[thread overview]
Message-ID: <1379404733-7071-1-git-send-email-plagnioj@jcrosoft.com> (raw)

the format is %08x

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 commands/crc.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/commands/crc.c b/commands/crc.c
index a0071b0..b7416e1 100644
--- a/commands/crc.c
+++ b/commands/crc.c
@@ -82,6 +82,19 @@ out:
 	return ret;
 }
 
+static int crc_from_file(const char* file, ulong *crc)
+{
+	char * buf;
+
+	buf= read_file(file, NULL);
+
+	if (!buf)
+		return -ENOMEM;
+
+	*crc = simple_strtoul(buf, NULL, 16);
+	return 0;
+}
+
 static int do_crc(int argc, char *argv[])
 {
 	loff_t start = 0, size = ~0;
@@ -92,7 +105,7 @@ static int do_crc(int argc, char *argv[])
 #endif
 	int opt, err = 0, filegiven = 0, verify = 0;
 
-	while((opt = getopt(argc, argv, "f:F:v:")) > 0) {
+	while((opt = getopt(argc, argv, "f:F:v:V:")) > 0) {
 		switch(opt) {
 		case 'f':
 			filename = optarg;
@@ -108,6 +121,10 @@ static int do_crc(int argc, char *argv[])
 			verify = 1;
 			vcrc = simple_strtoul(optarg, NULL, 0);
 			break;
+		case 'V':
+			if (!crc_from_file(optarg, &vcrc))
+				verify = 1;
+			break;
 		default:
 			return COMMAND_ERROR_USAGE;
 		}
@@ -153,6 +170,7 @@ BAREBOX_CMD_HELP_OPT  ("-f <file>", "Use file instead of memory.\n")
 BAREBOX_CMD_HELP_OPT  ("-F <file>", "Use file to compare.\n")
 #endif
 BAREBOX_CMD_HELP_OPT  ("-v <crc>",  "Verify\n")
+BAREBOX_CMD_HELP_OPT  ("-V <file>", "Verify\n")
 BAREBOX_CMD_HELP_END
 
 BAREBOX_CMD_START(crc32)
-- 
1.8.4.rc1


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

             reply	other threads:[~2013-09-17  7:58 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-17  7:58 Jean-Christophe PLAGNIOL-VILLARD [this message]
2013-09-18  7:30 ` Sascha Hauer

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=1379404733-7071-1-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