1 files changed, 53 insertions, 0 deletions
diff --git a/lib/fileop.h b/lib/fileop.h
new file mode 100644
index 0000000..d005fd5
--- /dev/null
+++ b/lib/fileop.h
@@ -0,0 +1,53 @@
+/**
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * @file	fileop.h
+ * @brief	The file operation functions
+ */
+#ifndef REFOP_FILEOP_H
+#define REFOP_FILEOP_H
+//-----------------------------------------------------------------------------
+#include <stdbool.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <linux/limits.h>
+
+//-----------------------------------------------------------------------------
+#ifdef __cplusplus
+extern "C" {
+#endif
+//-----------------------------------------------------------------------------
+struct __attribute__((packed)) s_refop_file_header_v1 {
+	uint32_t magic;       /*  4 *//**< Magic code */
+	uint32_t version;     /*  8 *//**< Data format version */
+	uint32_t version_inv; /* 12 *//**< Data format version (inversion value) */
+	uint16_t crc16;       /* 14 *//**< Data block crc */
+	uint16_t crc16_inv;   /* 16 *//**< Data block crc (inversion value) */
+	uint64_t size;        /* 24 *//**< Data block size */
+	uint64_t size_inv;    /* 32 *//**< Data block size (inversion value) */
+};
+
+#define REFOP_FILE_HEADER_MAGIC	((uint32_t)0x96962323)
+#define REFOP_FILE_HEADER_VERSION_V1	((uint32_t)0x00000001)
+
+typedef struct s_refop_file_header_v1 s_refop_file_header;
+
+struct refop_halndle {
+	char latestfile[PATH_MAX];
+	char backupfile1[PATH_MAX];
+	char newfile[PATH_MAX];
+	char basedir[PATH_MAX];
+};
+
+//-----------------------------------------------------------------------------
+int refop_new_file_write(refop_handle_t handle, uint8_t *data, int64_t bufsize);
+int refop_file_rotation(refop_handle_t handle);
+
+int refop_file_pickup(refop_handle_t handle, uint8_t *data, int64_t bufsize, int64_t *readsize);
+
+//-----------------------------------------------------------------------------
+#ifdef __cplusplus
+}
+#endif
+//-----------------------------------------------------------------------------
+#endif //#ifndef REFOP_FILEOP_H