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pod: add and use reserve_bytes helper

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This commit is contained in:
Wim Taymans 2020-02-19 11:02:00 +01:00
parent cc1ed84f9f
commit 11086f23ea
2 changed files with 13 additions and 6 deletions
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8
spa/include/spa/pod/builder.h
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@ -298,6 +298,14 @@ spa_pod_builder_bytes(struct spa_pod_builder *builder, const void *bytes, uint32
res = r;
return res;
}
static inline void *
spa_pod_builder_reserve_bytes(struct spa_pod_builder *builder, uint32_t len)
{
uint32_t offset = builder->state.offset;
if (spa_pod_builder_bytes(builder, NULL, len) < 0)
return NULL;
return SPA_POD_BODY(spa_pod_builder_deref(builder, offset));
}
#define SPA_POD_INIT_Pointer(type,value) (struct spa_pod_pointer){ { sizeof(struct spa_pod_pointer_body), SPA_TYPE_Pointer }, { type, 0, value } }