[PATCH 8/8] net: env: getenv_ip use resolv

[Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>]

Introduce getenv_ip_dns to be able to do not do the resolv when using it in
resolv for the nameserver (Do not loop).

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
 include/net.h |    6 +++++-
 net/dns.c     |    2 +-
 net/net.c     |    9 ++++++---
 3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/include/net.h b/include/net.h
index 2eec47f..0ebe198 100644
--- a/include/net.h
+++ b/include/net.h
@@ -277,7 +277,11 @@ char *ip_to_string (IPaddr_t x, char *s);
 /* Convert a string to ip address */
 int string_to_ip(const char *s, IPaddr_t *ip);
 
-IPaddr_t getenv_ip(const char *name);
+IPaddr_t getenv_ip_dns(const char *name, int dns);
+static inline IPaddr_t getenv_ip(const char *name)
+{
+	return getenv_ip_dns(name, 0);
+}
 int setenv_ip(const char *name, IPaddr_t ip);
 
 int string_to_ethaddr(const char *str, char *enetaddr);
diff --git a/net/dns.c b/net/dns.c
index 3c7aa5f..fb1178a 100644
--- a/net/dns.c
+++ b/net/dns.c
@@ -205,7 +205,7 @@ IPaddr_t resolv(char *host)
 
 	dns_state = STATE_INIT;
 
-	ip = getenv_ip("nameserver");
+	ip = getenv_ip_dns("nameserver", 0);
 	if (!ip)
 		return 0;
 
diff --git a/net/net.c b/net/net.c
index 2752884..39db75e 100644
--- a/net/net.c
+++ b/net/net.c
@@ -127,7 +127,7 @@ int string_to_ip(const char *s, IPaddr_t *ip)
 	return 0;
 }
 
-IPaddr_t getenv_ip(const char *name)
+IPaddr_t getenv_ip_dns(const char *name, int dns)
 {
 	IPaddr_t ip;
 	const char *var = getenv(name);
@@ -135,10 +135,13 @@ IPaddr_t getenv_ip(const char *name)
 	if (!var)
 		return 0;
 
-	if (string_to_ip(var, &ip))
+	if (!string_to_ip(var, &ip))
+		return ip;
+
+	if (!dns)
 		return 0;
 
-	return ip;
+	return resolv((char*)var);
 }
 
 int setenv_ip(const char *name, IPaddr_t ip)
-- 
1.7.9.1


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