feat: taskfs for export process to filesystem

[lunaix-os.git] / lunaix-os / includes / lunaix / fs / twimap.h

diff --git a/lunaix-os/includes/lunaix/fs/twimap.h b/lunaix-os/includes/lunaix/fs/twimap.h
new file mode 100644 (file)
index 0000000..7adbc53
--- /dev/null
+++ b/lunaix-os/includes/lunaix/fs/twimap.h
@@ -0,0 +1,37 @@
+#ifndef __LUNAIX_TWIMAP_H
+#define __LUNAIX_TWIMAP_H
+
+#include <lunaix/types.h>
+
+#define twimap_index(twimap, type) ((type)((twimap)->index))
+#define twimap_data(twimap, type) ((type)((twimap)->data))
+
+extern struct v_file_ops twimap_file_ops;
+
+struct twimap
+{
+    void* index;
+    void* buffer;
+    void* data;
+    size_t size_acc;
+    void (*read)(struct twimap* mapping);
+    int (*go_next)(struct twimap* mapping);
+    void (*reset)(struct twimap* mapping);
+};
+
+int
+twimap_read(struct twimap* map, void* buffer, size_t len, size_t fpos);
+
+void
+twimap_printf(struct twimap* mapping, const char* fmt, ...);
+
+int
+twimap_memcpy(struct twimap* mapping, const void* src, const size_t len);
+
+int
+twimap_memappend(struct twimap* mapping, const void* src, const size_t len);
+
+struct twimap*
+twimap_create(void* data);
+
+#endif /* __LUNAIX_TWIMAP_H */