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/*********************************************************************
* bfs *
* Copyright (C) 2017 Tavian Barnes <tavianator@tavianator.com> *
* *
* This program is free software. It comes without any warranty, to *
* the extent permitted by applicable law. You can redistribute it *
* and/or modify it under the terms of the Do What The Fuck You Want *
* To Public License, Version 2, as published by Sam Hocevar. See *
* the COPYING file or http://www.wtfpl.net/ for more details. *
*********************************************************************/
#ifndef BFS_PRINTF_H
#define BFS_PRINTF_H
#include "bftw.h"
#include "color.h"
#include <stdbool.h>
#include <stdio.h>
struct bfs_printf_directive;
/**
* A printf command, the result of parsing a single format string.
*/
struct bfs_printf {
/** The chain of printf directives. */
struct bfs_printf_directive *directives;
/** Whether the struct stat must be filled in. */
bool needs_stat;
};
/**
* Parse a -printf format string.
*
* @param format
* The format string to parse.
* @param cerr
* For error messages.
* @return The parsed printf command, or NULL on failure.
*/
struct bfs_printf *parse_bfs_printf(const char *format, CFILE *cerr);
/**
* Evaluate a parsed format string.
*
* @param file
* The FILE to print to.
* @param command
* The parsed printf format.
* @param ftwbuf
* The bftw() data for the current file. If needs_stat is true, statbuf
* must be non-NULL.
* @return 0 on success, -1 on failure.
*/
int bfs_printf(FILE *file, const struct bfs_printf *command, const struct BFTW *ftwbuf);
/**
* Free a parsed format string.
*/
void free_bfs_printf(struct bfs_printf *command);
#endif // BFS_PRINTF_H
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