1 files changed, 43 insertions, 0 deletions
diff --git a/nerv/lib/io/chunk_file.h b/nerv/lib/io/chunk_file.h
new file mode 100644
index 0000000..71f0d03
--- /dev/null
+++ b/nerv/lib/io/chunk_file.h
@@ -0,0 +1,43 @@
+#ifndef NERV_CHUNK_FILE_H
+#define NERV_CHUNK_FILE_H
+#include "../../common.h"
+enum {
+    CF_NORMAL,
+    CF_INVALID_FORMAT,
+    CF_END_OF_FILE,
+    CF_SECTION_OVERFLOW,
+    CF_WRITE_ERROR,
+    CF_ERR_OPEN_FILE,
+    CF_INVALID_OP,
+    CF_READ,
+    CF_WRITE,
+    CF_CLOSED
+};
+
+typedef struct ChunkInfo {
+    struct ChunkInfo *next;
+    char *metadata;
+    off_t offset, length;
+} ChunkInfo;
+
+typedef struct ChunkFile {
+    FILE *fp;
+    ChunkInfo *info;
+    int status;
+} ChunkFile;
+
+typedef struct ChunkData {
+    FILE *fp;
+    char *data;
+} ChunkData;
+
+typedef void (*ChunkDataWriter_t)(void *);
+ChunkFile *nerv_chunk_file_create(const char *fn, const char *mode, int *status);
+int nerv_chunk_file_write_chunkdata(ChunkFile *cfp, const char *mdstr,
+                                    ChunkDataWriter_t writer, void *writer_arg);
+ChunkData *nerv_chunk_file_get_chunkdata(ChunkFile *cfp, ChunkInfo *cip, int *status);
+void nerv_chunk_file_close(ChunkFile *cfp);
+void nerv_chunk_file_destroy(ChunkFile *cfp);
+void nerv_chunk_data_destroy(ChunkData *cdp);
+const char *nerv_chunk_file_errstr(int status);
+#endif