From b4f80fb93fe290d4498a9f1eecd2f15f0c19abf8 Mon Sep 17 00:00:00 2001
From: Peter D'Hoye <peter.dhoye@gmail.com>
Date: Fri, 25 Jan 2008 21:21:41 +0000
Subject: [PATCH] Fix a bug in tagcache tag length check, thanks to Rhino
 Banga.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16166 a1c6a512-1295-4272-9138-f99709370657
---
 apps/tagcache.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/apps/tagcache.c b/apps/tagcache.c
index 089161abab..6c38300a16 100644
--- a/apps/tagcache.c
+++ b/apps/tagcache.c
@@ -1608,7 +1608,7 @@ bool tagcache_fill_tags(struct mp3entry *id3, const char *filename)
 static inline void write_item(const char *item)
 {
     int len = strlen(item) + 1;
-    
+
     data_size += len;
     write(cachefd, item, len);
 }
@@ -1616,21 +1616,21 @@ static inline void write_item(const char *item)
 static int check_if_empty(char **tag)
 {
     int length;
-    
-    if (*tag == NULL || *tag[0] == '\0')
+
+    if (*tag == NULL || **tag == '\0')
     {
         *tag = UNTAGGED;
         return sizeof(UNTAGGED); /* Tag length */
     }
-    
+
     length = strlen(*tag);
     if (length > TAG_MAXLEN)
     {
         logf("over length tag: %s", *tag);
         length = TAG_MAXLEN;
-        *tag[length] = '\0';
+        (*tag)[length] = '\0';
     }
-    
+
     return length + 1;
 }