shell: export {decode,print}_{mac,ip}()

They are going to be used by the syslog code.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

include/shell.h

@@ -14,6 +14,10 @@ extern int wrc_stat_running;
 
 const char *fromhex(const char *hex, int *v);
 const char *fromdec(const char *dec, int *v);
+void decode_mac(const char *str, unsigned char *mac);
+void print_mac(char *head, unsigned char *mac, char *tail);
+void decode_ip(const char *str, unsigned char *ip);
+void print_ip(char *head, unsigned char *ip, char *tail);
 
 struct wrc_shell_cmd {
 	char *name;

lib/ipv4.h

@@ -60,5 +60,7 @@ struct wr_udp_addr {
 
 void fill_udp(uint8_t * buf, int len, struct wr_udp_addr *uaddr);
 
+void syslog_init(void);
+void syslog_poll(void);
 
 #endif

shell/cmd_ip.c

@@ -15,7 +15,7 @@
 #include "shell.h"
 #include "../lib/ipv4.h"
 
-static void decode_ip(const char *str, unsigned char *ip)
+void decode_ip(const char *str, unsigned char *ip)
 {
 	int i, x;
 
@@ -28,6 +28,12 @@ static void decode_ip(const char *str, unsigned char *ip)
 	}
 }
 
+void print_ip(char *head, unsigned char *ip, char *tail)
+{
+	pp_printf("%s%d.%d.%d.%d%s",
+		  head, ip[0], ip[1], ip[2], ip[3], tail);
+}
+
 static int cmd_ip(const char *args[])
 {
 	unsigned char ip[4];
@@ -44,8 +50,7 @@ static int cmd_ip(const char *args[])
 	if (needIP) {
 		pp_printf("IP-address: in training\n");
 	} else {
-		pp_printf("IP-address: %d.%d.%d.%d\n",
-			ip[0], ip[1], ip[2], ip[3]);
+		print_ip("IP-address: ", ip, "\n");
 	}
 	return 0;
 }

shell/cmd_mac.c

@@ -17,7 +17,7 @@
 #include "endpoint.h"
 #include "../lib/ipv4.h"
 
-static void decode_mac(const char *str, unsigned char *mac)
+void decode_mac(const char *str, unsigned char *mac)
 {
 	int i, x;
 
@@ -30,6 +30,13 @@ static void decode_mac(const char *str, unsigned char *mac)
 	}
 }
 
+void print_mac(char *head, unsigned char *mac, char *tail)
+{
+	pp_printf("%s%02x:%02x:%02x:%02x:%02x:%02x%s",
+		  head, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], tail);
+}
+
+
 static int cmd_mac(const char *args[])
 {
 	unsigned char mac[6];
@@ -52,8 +59,7 @@ static int cmd_mac(const char *args[])
 		return -EINVAL;
 	}
 
-	pp_printf("MAC-address: %02x:%02x:%02x:%02x:%02x:%02x\n",
-		mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+	print_mac("MAC-address: ", mac, "\n");
 	return 0;
 }