From 97e01009d69b8fbebfebf68f51e3d126d0ed43fc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 30 Nov 2022 19:47:05 +0100 Subject: Merging upstream version 1.37.0. Signed-off-by: Daniel Baumann --- libnetdata/circular_buffer/circular_buffer.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'libnetdata/circular_buffer/circular_buffer.c') diff --git a/libnetdata/circular_buffer/circular_buffer.c b/libnetdata/circular_buffer/circular_buffer.c index 998008db2..c791b420b 100644 --- a/libnetdata/circular_buffer/circular_buffer.c +++ b/libnetdata/circular_buffer/circular_buffer.c @@ -46,6 +46,11 @@ static int cbuffer_realloc_unsafe(struct circular_buffer *buf) { return 0; } +size_t cbuffer_available_size_unsafe(struct circular_buffer *buf) { + size_t len = (buf->write >= buf->read) ? (buf->write - buf->read) : (buf->size - buf->read + buf->write); + return buf->max_size - len; +} + int cbuffer_add_unsafe(struct circular_buffer *buf, const char *d, size_t d_len) { size_t len = (buf->write >= buf->read) ? (buf->write - buf->read) : (buf->size - buf->read + buf->write); while (d_len + len >= buf->size) { @@ -78,8 +83,14 @@ void cbuffer_remove_unsafe(struct circular_buffer *buf, size_t num) { size_t cbuffer_next_unsafe(struct circular_buffer *buf, char **start) { if (start != NULL) *start = buf->data + buf->read; + if (buf->read <= buf->write) { return buf->write - buf->read; // Includes empty case } return buf->size - buf->read; } + +void cbuffer_flush(struct circular_buffer*buf) { + buf->write = 0; + buf->read = 0; +} \ No newline at end of file -- cgit v1.2.3