Adding upstream version 1.29.0.upstream/1.29.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/libnetdata/circular_buffer/circular_buffer.h b/libnetdata/circular_buffer/circular_buffer.h
new file mode 100644
index 000000000..ba37e0ebf
--- /dev/null
+++ b/libnetdata/circular_buffer/circular_buffer.h
@@ -0,0 +1,16 @@
+#ifndef CIRCULAR_BUFFER_H
+#define CIRCULAR_BUFFER_H 1
+
+#include <string.h>
+
+struct circular_buffer {
+    size_t size, write, read, max_size;
+    char *data;
+};
+
+extern struct circular_buffer *cbuffer_new(size_t initial, size_t max);
+extern void cbuffer_free(struct circular_buffer *buf);
+extern int cbuffer_add_unsafe(struct circular_buffer *buf, const char *d, size_t d_len);
+extern void cbuffer_remove_unsafe(struct circular_buffer *buf, size_t num);
+extern size_t cbuffer_next_unsafe(struct circular_buffer *buf, char **start);
+#endif