From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 9 Jun 2014 22:11:50 +0000 (+0200)
Subject: use lookup array for dns_type_string()
X-Git-Url: http://git.archive.openwrt.org/?a=commitdiff_plain;h=5e7c65b68ada5a07228ccb83a3b151f633c4725f;p=project%2Fmdnsd.git

use lookup array for dns_type_string()

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---

diff --git a/dns.c b/dns.c
index c8d2100..9c7b7de 100644
--- a/dns.c
+++ b/dns.c
@@ -44,24 +44,22 @@ static char name_buffer[MAX_NAME_LEN + 1];
 const char*
 dns_type_string(uint16_t type)
 {
-	switch (type) {
-	case TYPE_A:
-		return "A";
-
-	case TYPE_AAAA:
-		return "AAAA";
-
-	case TYPE_PTR:
-		return "PTR";
-
-	case TYPE_TXT:
-		return "TXT";
-
-	case TYPE_SRV:
-		return "SRV";
+	static const struct {
+		uint16_t type;
+		char str[5];
+	} type_str[] = {
+		{ TYPE_A, "A" },
+		{ TYPE_AAAA, "AAAA" },
+		{ TYPE_PTR, "PTR" },
+		{ TYPE_TXT, "TXT" },
+		{ TYPE_SRV, "SRV" },
+		{ TYPE_ANY, "ANY" },
+	};
+	int i;
 
-	case TYPE_ANY:
-		return "ANY";
+	for (i = 0; i < ARRAY_SIZE(type_str); i++) {
+		if (type == type_str[i].type)
+			return type_str[i].str;
 	}
 
 	return "N/A";