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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: [PATCH 4/9] net: dns: Allow to set variable with the resolved host
Date: Mon,  7 Jan 2019 08:40:03 +0100	[thread overview]
Message-ID: <20190107074008.3797-5-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20190107074008.3797-1-s.hauer@pengutronix.de>

Add an additional [VARIABLE] parameter to the host command to allow
setting a variable with the resolved IP address.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 net/dns.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/net/dns.c b/net/dns.c
index d241781939..ffe98ef9e3 100644
--- a/net/dns.c
+++ b/net/dns.c
@@ -258,20 +258,26 @@ static int do_host(int argc, char *argv[])
 {
 	IPaddr_t ip;
 	int ret;
-	char *hostname;
+	char *hostname, *varname = NULL;
 
-	if (argc != 2)
+	if (argc < 2)
 		return COMMAND_ERROR_USAGE;
 
 	hostname = argv[1];
 
+	if (argc > 2)
+		varname = argv[2];
+
 	ret = resolv(argv[1], &ip);
 	if (ret) {
 		printf("unknown host %s\n", hostname);
 		return 1;
 	}
 
-	printf("%s is at %pI4\n", hostname, &ip);
+	if (varname)
+		setenv_ip(varname, ip);
+	else
+		printf("%s is at %pI4\n", hostname, &ip);
 
 	return 0;
 }
@@ -279,7 +285,7 @@ static int do_host(int argc, char *argv[])
 BAREBOX_CMD_START(host)
 	.cmd		= do_host,
 	BAREBOX_CMD_DESC("resolve a hostname")
-	BAREBOX_CMD_OPTS("HOSTNAME")
+	BAREBOX_CMD_OPTS("<HOSTNAME> [VARIABLE]")
 	BAREBOX_CMD_GROUP(CMD_GRP_NET)
 BAREBOX_CMD_END
 #endif
-- 
2.19.1


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  parent reply	other threads:[~2019-01-07  7:40 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-07  7:39 [PATCH 0/9] net: Allow global.net.server being a hostname Sascha Hauer
2019-01-07  7:40 ` [PATCH 1/9] net: ip_route_get: Fix error message Sascha Hauer
2019-01-07  7:40 ` [PATCH 2/9] net: ip_route_get: Hook help text to command Sascha Hauer
2019-01-07  7:40 ` [PATCH 3/9] net: dns: leave host command with error on failure Sascha Hauer
2019-01-07  7:40 ` Sascha Hauer [this message]
2019-01-07  7:40 ` [PATCH 5/9] defaultenv: Pass serverip to nfsroot string Sascha Hauer
2019-01-07  7:40 ` [PATCH 6/9] net: Allow hostnames for global.net.server Sascha Hauer
2019-01-07  7:40 ` [PATCH 7/9] net: ip_route_get: resolv hostnames Sascha Hauer
2019-01-07  7:40 ` [PATCH 8/9] defaultenv: defaultenv uses ip_route_get Sascha Hauer
2019-01-07  7:40 ` [PATCH 9/9] defaultenv: resolve global.net.server before using it Sascha Hauer

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