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ringbuffer: add a RINGBUFFER_USER_COPY_FAILED macro

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Matheus
2024-09-18 19:30:59 -03:00
parent 7eb9955a96
commit 1140244816
2 changed files with 7 additions and 6 deletions
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kernel-src/include/ringbuffer.h
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@@ -47,5 +47,6 @@ size_t ringbuffer_remove(ringbuffer_t *ringbuffer, size_t count);
#define RINGBUFFER_DATACOUNT(x) ((x)->write - (x)->read)
#define RINGBUFFER_SIZE(x) (x)->size
#define RINGBUFFER_FREESPACE(x) (RINGBUFFER_SIZE(x) - RINGBUFFER_DATACOUNT(x))
#define RINGBUFFER_USER_COPY_FAILED -1lu
#endif