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* Handle the case where we have a embedded album art image size, but no data.

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This commit is contained in:
Justin Maggard 2009-03-18 17:34:30 +00:00
parent d484d5870c
commit 06fb334cad
1 changed files with 6 additions and 2 deletions
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8
albumart.c
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@ -187,7 +187,7 @@ jpeg_memory_src(j_decompress_ptr cinfo, unsigned char const *buffer, size_t bufs
} }
/* Simple, efficient hash function from Daniel J. Bernstein */ /* Simple, efficient hash function from Daniel J. Bernstein */
unsigned int DJBHash(const char* str, int len) unsigned int DJBHash(const char * str, int len)
{ {
unsigned int hash = 5381; unsigned int hash = 5381;
unsigned int i = 0; unsigned int i = 0;
@ -215,8 +215,12 @@ check_embedded_art(const char * path, const char * image_data, int image_size)
static unsigned int last_hash = 0; static unsigned int last_hash = 0;
unsigned int hash; unsigned int hash;
if( !image_data || !image_size || !path )
{
return NULL;
}
/* If the embedded image matches the embedded image from the last file we /* If the embedded image matches the embedded image from the last file we
* checked, just make a hard link. No use in storing it on the disk twice. */ * checked, just make a hard link. Better than storing it on the disk twice. */
hash = DJBHash(image_data, image_size); hash = DJBHash(image_data, image_size);
if( hash == last_hash ) if( hash == last_hash )
{ {