#ifndef SLIDING_WINDOW_H_ | |
#define SLIDING_WINDOW_H_ | |
#include "strbuf.h" | |
struct sliding_view { | |
struct line_buffer *file; | |
off_t off; | |
size_t width; | |
off_t max_off; /* -1 means unlimited */ | |
struct strbuf buf; | |
}; | |
#define SLIDING_VIEW_INIT(input, len) { (input), 0, 0, (len), STRBUF_INIT } | |
extern int move_window(struct sliding_view *view, off_t off, size_t width); | |
#endif |