diff options
Diffstat (limited to 'Alc/ringbuffer.h')
-rw-r--r-- | Alc/ringbuffer.h | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/Alc/ringbuffer.h b/Alc/ringbuffer.h deleted file mode 100644 index 0d05ec84..00000000 --- a/Alc/ringbuffer.h +++ /dev/null @@ -1,77 +0,0 @@ -#ifndef RINGBUFFER_H -#define RINGBUFFER_H - -#include <stddef.h> - - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct ll_ringbuffer ll_ringbuffer_t; -typedef struct ll_ringbuffer_data { - char *buf; - size_t len; -} ll_ringbuffer_data_t; - - -/** - * Create a new ringbuffer to hold at least `sz' elements of `elem_sz' bytes. - * The number of elements is rounded up to the next power of two (even if it is - * already a power of two, to ensure the requested amount can be written). - */ -ll_ringbuffer_t *ll_ringbuffer_create(size_t sz, size_t elem_sz, int limit_writes); -/** Free all data associated with the ringbuffer `rb'. */ -void ll_ringbuffer_free(ll_ringbuffer_t *rb); -/** Reset the read and write pointers to zero. This is not thread safe. */ -void ll_ringbuffer_reset(ll_ringbuffer_t *rb); - -/** - * The non-copying data reader. `vec' is an array of two places. Set the values - * at `vec' to hold the current readable data at `rb'. If the readable data is - * in one segment the second segment has zero length. - */ -void ll_ringbuffer_get_read_vector(const ll_ringbuffer_t *rb, ll_ringbuffer_data_t vec[2]); -/** - * The non-copying data writer. `vec' is an array of two places. Set the values - * at `vec' to hold the current writeable data at `rb'. If the writeable data - * is in one segment the second segment has zero length. - */ -void ll_ringbuffer_get_write_vector(const ll_ringbuffer_t *rb, ll_ringbuffer_data_t vec[2]); - -/** - * Return the number of elements available for reading. This is the number of - * elements in front of the read pointer and behind the write pointer. - */ -size_t ll_ringbuffer_read_space(const ll_ringbuffer_t *rb); -/** - * The copying data reader. Copy at most `cnt' elements from `rb' to `dest'. - * Returns the actual number of elements copied. - */ -size_t ll_ringbuffer_read(ll_ringbuffer_t *rb, char *dest, size_t cnt); -/** - * The copying data reader w/o read pointer advance. Copy at most `cnt' - * elements from `rb' to `dest'. Returns the actual number of elements copied. - */ -size_t ll_ringbuffer_peek(ll_ringbuffer_t *rb, char *dest, size_t cnt); -/** Advance the read pointer `cnt' places. */ -void ll_ringbuffer_read_advance(ll_ringbuffer_t *rb, size_t cnt); - -/** - * Return the number of elements available for writing. This is the number of - * elements in front of the write pointer and behind the read pointer. - */ -size_t ll_ringbuffer_write_space(const ll_ringbuffer_t *rb); -/** - * The copying data writer. Copy at most `cnt' elements to `rb' from `src'. - * Returns the actual number of elements copied. - */ -size_t ll_ringbuffer_write(ll_ringbuffer_t *rb, const char *src, size_t cnt); -/** Advance the write pointer `cnt' places. */ -void ll_ringbuffer_write_advance(ll_ringbuffer_t *rb, size_t cnt); - -#ifdef __cplusplus -} /* extern "C" */ -#endif - -#endif /* RINGBUFFER_H */ |