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meta: make safer find_meta_data function

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This commit is contained in:
Wim Taymans 2018-07-09 12:04:23 +02:00
parent 33427b4cd3
commit c98fbfe0a9
16 changed files with 59 additions and 32 deletions
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4
spa/include/spa/buffer/meta.h
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@ -50,6 +50,10 @@ struct spa_meta {
uint32_t size; /**< size of metadata */
};
#define spa_meta_first(m) ((m)->data)
#define spa_meta_end(m) ((m)->data + (m)->size)
#define spa_meta_check(p,m) ((void*)(p) + sizeof(*p) <= spa_meta_end(m))
/**
* Describes essential buffer header metadata such as flags and
* timestamps.