From 0fc2422cd098223642f12eecfc3fcd93d9f495d2 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Tue, 26 Aug 2008 08:27:09 +0200
Subject: converted MpdTagItem.type to an enum

Don't use CPP macros when you can use C enum... this also allows
better type checking.
---
 src/audioOutputs/audioOutput_shout.c |  2 ++
 src/dbUtils.c                        |  2 +-
 src/locate.c                         |  4 ++--
 src/tag.c                            |  8 +++++---
 src/tag.h                            | 34 ++++++++++++++++++----------------
 5 files changed, 28 insertions(+), 22 deletions(-)

diff --git a/src/audioOutputs/audioOutput_shout.c b/src/audioOutputs/audioOutput_shout.c
index 9ed5b4e7e..49d69eebd 100644
--- a/src/audioOutputs/audioOutput_shout.c
+++ b/src/audioOutputs/audioOutput_shout.c
@@ -413,6 +413,8 @@ static void copyTagToVorbisComment(ShoutData * sd)
 			case TAG_ITEM_TITLE:
 				addTag(sd, "TITLE", sd->tag->items[i].value);
 				break;
+			default:
+				break;
 			}
 		}
 	}
diff --git a/src/dbUtils.c b/src/dbUtils.c
index 5d070e588..519c1802d 100644
--- a/src/dbUtils.c
+++ b/src/dbUtils.c
@@ -254,7 +254,7 @@ static void freeListCommandItem(ListCommandItem * item)
 	free(item);
 }
 
-static void visitTag(int fd, Song * song, int tagType)
+static void visitTag(int fd, Song * song, enum tag_type tagType)
 {
 	int i;
 	MpdTag *tag = song->tag;
diff --git a/src/locate.c b/src/locate.c
index d97097f37..f68afdedb 100644
--- a/src/locate.c
+++ b/src/locate.c
@@ -121,7 +121,7 @@ void freeLocateTagItem(LocateTagItem * item)
 	free(item);
 }
 
-static int strstrSearchTag(Song * song, int type, char *str)
+static int strstrSearchTag(Song * song, enum tag_type type, char *str)
 {
 	int i;
 	char *duplicate;
@@ -169,7 +169,7 @@ int strstrSearchTags(Song * song, int numItems, LocateTagItem * items)
 	return 1;
 }
 
-static int tagItemFoundAndMatches(Song * song, int type, char *str)
+static int tagItemFoundAndMatches(Song * song, enum tag_type type, char *str)
 {
 	int i;
 
diff --git a/src/tag.c b/src/tag.c
index 5023a58cb..fc85a6ff9 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -606,7 +606,7 @@ static void deleteItem(MpdTag * tag, int idx)
 	}
 }
 
-void clearItemsFromMpdTag(MpdTag * tag, int type)
+void clearItemsFromMpdTag(MpdTag * tag, enum tag_type type)
 {
 	int i;
 
@@ -697,7 +697,8 @@ int mpdTagsAreEqual(MpdTag * tag1, MpdTag * tag2)
 	} \
 }
 
-static void appendToTagItems(MpdTag * tag, int type, char *value, int len)
+static void appendToTagItems(MpdTag * tag, enum tag_type type,
+			     char *value, int len)
 {
 	int i = tag->numOfItems;
 	char *duplicated = xmalloc(len + 1);
@@ -717,7 +718,8 @@ static void appendToTagItems(MpdTag * tag, int type, char *value, int len)
 	free(duplicated);
 }
 
-void addItemToMpdTagWithLen(MpdTag * tag, int itemType, char *value, int len)
+void addItemToMpdTagWithLen(MpdTag * tag, enum tag_type itemType,
+			    char *value, int len)
 {
 	if (ignoreTagItems[itemType])
 	{
diff --git a/src/tag.h b/src/tag.h
index 363ad98aa..99b32653c 100644
--- a/src/tag.h
+++ b/src/tag.h
@@ -27,24 +27,25 @@
 #include <id3tag.h>
 #endif
 
-#define TAG_ITEM_ARTIST		0
-#define TAG_ITEM_ALBUM		1
-#define TAG_ITEM_TITLE		2
-#define TAG_ITEM_TRACK		3
-#define TAG_ITEM_NAME		4
-#define TAG_ITEM_GENRE		5
-#define TAG_ITEM_DATE		6
-#define TAG_ITEM_COMPOSER	7
-#define TAG_ITEM_PERFORMER	8
-#define TAG_ITEM_COMMENT	9
-#define TAG_ITEM_DISC      10
-
-#define TAG_NUM_OF_ITEM_TYPES	11
+enum tag_type {
+	TAG_ITEM_ARTIST,
+	TAG_ITEM_ALBUM,
+	TAG_ITEM_TITLE,
+	TAG_ITEM_TRACK,
+	TAG_ITEM_NAME,
+	TAG_ITEM_GENRE,
+	TAG_ITEM_DATE,
+	TAG_ITEM_COMPOSER,
+	TAG_ITEM_PERFORMER,
+	TAG_ITEM_COMMENT,
+	TAG_ITEM_DISC,
+	TAG_NUM_OF_ITEM_TYPES
+};
 
 extern const char *mpdTagItemKeys[];
 
 typedef struct _MpdTagItem {
-	mpd_sint8 type;
+	enum tag_type type;
 	char *value;
 } MpdTagItem;
 
@@ -66,11 +67,12 @@ MpdTag *newMpdTag(void);
 
 void initTagConfig(void);
 
-void clearItemsFromMpdTag(MpdTag * tag, int itemType);
+void clearItemsFromMpdTag(MpdTag * tag, enum tag_type itemType);
 
 void freeMpdTag(MpdTag * tag);
 
-void addItemToMpdTagWithLen(MpdTag * tag, int itemType, char *value, int len);
+void addItemToMpdTagWithLen(MpdTag * tag, enum tag_type itemType,
+			    char *value, int len);
 
 #define addItemToMpdTag(tag, itemType, value) \
 		addItemToMpdTagWithLen(tag, itemType, value, strlen(value))
-- 
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