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/* -*- c-basic-offset:2; tab-width:2; indent-tabs-mode:nil -*- */
#ifndef __VT_LOGS_H__
#define __VT_LOGS_H__
#include <pobl/bl_cycle_index.h>
#include "vt_char.h"
#include "vt_edit.h"
#define VT_LOG_SIZE_UNIT 128
typedef struct vt_logs {
vt_line_t *lines;
bl_cycle_index_t *index;
u_int num_rows;
int unlimited;
} vt_logs_t;
int vt_log_init(vt_logs_t *logs, u_int num_rows);
void vt_log_final(vt_logs_t *logs);
int vt_change_log_size(vt_logs_t *logs, u_int num_rows);
#define vt_unlimit_log_size(logs) vt_change_log_size(logs, 0x10000)
#define vt_log_size_is_unlimited(logs) ((logs)->unlimited)
int vt_log_add(vt_logs_t *logs, vt_line_t *line, u_int num_chars);
vt_line_t *vt_log_get(vt_logs_t *logs, int at);
u_int vt_get_num_logged_lines(vt_logs_t *logs);
#define vt_log_rollback_index(logs, num) bl_cycle_index_rollback((logs)->index, num)
#define vt_get_log_size(logs) ((logs)->num_rows)
#endif
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