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spa: split the callback version check into a separate macro

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Peter Hutterer 2021-09-14 10:29:37 +10:00 • committed by Wim Taymans
parent 264141b31b
commit 6bf1f9a694
1 changed files with 4 additions and 1 deletions
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5
spa/include/spa/utils/hook.h
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@ -132,8 +132,11 @@ struct spa_callbacks {
void *data;
};
/** Check if a callback \a c is of at least version \a v */
#define SPA_CALLBACK_VERSION_MIN(c,v) ((c) && ((v) == 0 || (c)->version > (v)-1))
/** Check if a callback \a c has method \a m of version \a v */
#define SPA_CALLBACK_CHECK(c,m,v) ((c) && ((v) == 0 || (c)->version > (v)-1) && (c)->m)
#define SPA_CALLBACK_CHECK(c,m,v) (SPA_CALLBACK_VERSION_MIN(c,v) && (c)->m)
/**
* Initialize the set of functions \a funcs as a \ref spa_callbacks, together