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iter: add helper to parse pod from memory region

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This commit is contained in:
Wim Taymans 2019-09-19 13:17:48 +02:00
parent 322ccb452c
commit d3c7acb137
1 changed files with 11 additions and 0 deletions
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11
spa/include/spa/pod/iter.h
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@ -126,6 +126,17 @@ static inline struct spa_pod_control *spa_pod_control_next(const struct spa_pod_
SPA_POD_SEQUENCE_BODY_FOREACH(&(seq)->body, SPA_POD_BODY_SIZE(seq), iter)
static inline void *spa_pod_from_data(void *data, size_t maxsize, off_t offset, size_t size)
{
void *pod;
if (offset + size > maxsize)
return NULL;
pod = SPA_MEMBER(data, offset, void);
if (SPA_POD_SIZE(pod) > size)
return NULL;
return pod;
}
static inline int spa_pod_is_none(const struct spa_pod *pod)
{
return (SPA_POD_TYPE(pod) == SPA_TYPE_None);