diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/shared/ring.c | 18 | ||||
| -rw-r--r-- | src/shared/ring.h | 18 | ||||
| -rw-r--r-- | src/test/test-ring.c | 2 |
3 files changed, 21 insertions, 17 deletions
diff --git a/src/shared/ring.c b/src/shared/ring.c index 8ae61234c7..309075e348 100644 --- a/src/shared/ring.c +++ b/src/shared/ring.c @@ -29,14 +29,16 @@ #define RING_MASK(_r, _v) ((_v) & ((_r)->size - 1)) -void ring_flush(struct ring *r) { +void ring_flush(Ring *r) { assert(r); r->start = 0; r->used = 0; } -void ring_clear(struct ring *r) { +void ring_clear(Ring *r) { + assert(r); + free(r->buf); zero(*r); } @@ -53,7 +55,7 @@ void ring_clear(struct ring *r) { * size_t iov_len; * }; */ -size_t ring_peek(struct ring *r, struct iovec *vec) { +size_t ring_peek(Ring *r, struct iovec *vec) { assert(r); if (r->used == 0) { @@ -80,7 +82,7 @@ size_t ring_peek(struct ring *r, struct iovec *vec) { * at most @size bytes. If the ring buffer size is smaller, copy less bytes and * return the number of bytes copied. */ -size_t ring_copy(struct ring *r, void *buf, size_t size) { +size_t ring_copy(Ring *r, void *buf, size_t size) { size_t l; assert(r); @@ -106,7 +108,7 @@ size_t ring_copy(struct ring *r, void *buf, size_t size) { * Resize ring-buffer to size @nsize. @nsize must be a power-of-2, otherwise * ring operations will behave incorrectly. */ -static int ring_resize(struct ring *r, size_t nsize) { +static int ring_resize(Ring *r, size_t nsize) { uint8_t *buf; size_t l; @@ -140,7 +142,7 @@ static int ring_resize(struct ring *r, size_t nsize) { * resizes the buffer if it is too small. It returns -ENOMEM on OOM and 0 on * success. */ -static int ring_grow(struct ring *r, size_t add) { +static int ring_grow(Ring *r, size_t add) { size_t need; assert(r); @@ -165,7 +167,7 @@ static int ring_grow(struct ring *r, size_t add) { * Push @len bytes from @u8 into the ring buffer. The buffer is resized if it * is too small. -ENOMEM is returned on OOM, 0 on success. */ -int ring_push(struct ring *r, const void *u8, size_t size) { +int ring_push(Ring *r, const void *u8, size_t size) { int err; size_t pos, l; @@ -197,7 +199,7 @@ int ring_push(struct ring *r, const void *u8, size_t size) { * Remove @len bytes from the start of the ring-buffer. Note that we protect * against overflows so removing more bytes than available is safe. */ -void ring_pull(struct ring *r, size_t size) { +void ring_pull(Ring *r, size_t size) { assert(r); if (size > r->used) diff --git a/src/shared/ring.h b/src/shared/ring.h index 6b12530e31..1210aabdf6 100644 --- a/src/shared/ring.h +++ b/src/shared/ring.h @@ -27,7 +27,9 @@ #include <string.h> #include <sys/uio.h> -struct ring { +typedef struct Ring Ring; + +struct Ring { uint8_t *buf; /* buffer or NULL */ size_t size; /* actual size of @buf */ size_t start; /* start position of ring */ @@ -35,25 +37,25 @@ struct ring { }; /* flush buffer so it is empty again */ -void ring_flush(struct ring *r); +void ring_flush(Ring *r); /* flush buffer, free allocated data and reset to initial state */ -void ring_clear(struct ring *r); +void ring_clear(Ring *r); /* get pointers to buffer data and their length */ -size_t ring_peek(struct ring *r, struct iovec *vec); +size_t ring_peek(Ring *r, struct iovec *vec); /* copy data into external linear buffer */ -size_t ring_copy(struct ring *r, void *buf, size_t size); +size_t ring_copy(Ring *r, void *buf, size_t size); /* push data to the end of the buffer */ -int ring_push(struct ring *r, const void *u8, size_t size); +int ring_push(Ring *r, const void *u8, size_t size); /* pull data from the front of the buffer */ -void ring_pull(struct ring *r, size_t size); +void ring_pull(Ring *r, size_t size); /* return size of occupied buffer in bytes */ -static inline size_t ring_get_size(struct ring *r) +static inline size_t ring_get_size(Ring *r) { return r->used; } diff --git a/src/test/test-ring.c b/src/test/test-ring.c index 880815811c..5e4efdbde9 100644 --- a/src/test/test-ring.c +++ b/src/test/test-ring.c @@ -31,7 +31,7 @@ static void test_ring(void) { static const char buf[8192]; - struct ring r; + Ring r; size_t l; struct iovec vec[2]; int s; |