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MP3 metadata parser:

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* Use ARRAYLEN()
 * id3_is_genre_string(): loop over the whole array instead of comparing a pointer to the first and last item of an array of pointers (fixes crash on Onda VX747)


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22104 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-08-01 19:37:09 +00:00
parent e454d88b88
commit faf37f9d21
1 changed files with 9 additions and 4 deletions
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13
apps/metadata/mp3.c
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@ -89,7 +89,7 @@ static const char* const genres[] = {
char* id3_get_num_genre(unsigned int genre_num)
{
if (genre_num < sizeof(genres)/sizeof(char*))
if (genre_num < ARRAYLEN(genres))
return (char*)genres[genre_num];
return NULL;
}
@ -97,8 +97,13 @@ char* id3_get_num_genre(unsigned int genre_num)
/* True if the string is from the "genres" array */
bool id3_is_genre_string(const char *string)
{
return ( string >= genres[0] &&
string <= genres[sizeof(genres)/sizeof(char*) - 1] );
unsigned int i;
for(i=0; i < ARRAYLEN(genres); i++)
if(genres[i] == string)
return true;
return false;
}
/*
@ -445,7 +450,7 @@ static const struct tag_resolver taglist[] = {
{ "UFID", 4, 0, &parsembtid, false },
};
#define TAGLIST_SIZE ((int)(sizeof(taglist) / sizeof(taglist[0])))
#define TAGLIST_SIZE ((int)ARRAYLEN(taglist))
/* Get the length of an ID3 string in the given encoding. Returns the length
* in bytes, including end nil, or -1 if the encoding is unknown.