First commit, Vystem v0.1

shelter/lib/include/memory/ring.h

@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: MPL-2.0
+#ifndef SH_LIB_RING_H
+#define SH_LIB_RING_H
+#include "std/type.h"
+#include "std/status.h"
+// Ring buffer header structure
+typedef struct {
+  sh_uint32 head;
+  sh_uint32 tail;
+  sh_uint32 buffer_bytes_size;
+  sh_uint8* data_start;
+  sh_uint64 total_bytes_written;
+} sh_ring_RING_BUFFER_HEADER;
+// Write a byte into the provided ring buffer
+SH_STATUS sh_ring_write_byte(sh_ring_RING_BUFFER_HEADER *ring_buffer,sh_uint8 byte);
+// Write a null terminated string into the provided ring buffer
+SH_STATUS sh_ring_write_string(sh_ring_RING_BUFFER_HEADER *ring_buffer,char *string);
+#endif