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/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2019, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file confline.h
*
* \brief Header for confline.c
**/
#ifndef TOR_CONFLINE_H
#define TOR_CONFLINE_H
struct smartlist_t;
/** Ordinary configuration line. */
#define CONFIG_LINE_NORMAL 0
/** Appends to previous configuration for the same option, even if we
* would ordinary replace it. */
#define CONFIG_LINE_APPEND 1
/* Removes all previous configuration for an option. */
#define CONFIG_LINE_CLEAR 2
#define MAX_INCLUDE_RECURSION_LEVEL 31
/** A linked list of lines in a config file, or elsewhere */
typedef struct config_line_t {
char *key;
char *value;
struct config_line_t *next;
/** What special treatment (if any) does this line require? */
unsigned int command:2;
/** If true, subsequent assignments to this linelist should replace
* it, not extend it. Set only on the first item in a linelist in an
* or_options_t. */
unsigned int fragile:1;
} config_line_t;
void config_line_append(config_line_t **lst,
const char *key, const char *val);
void config_line_prepend(config_line_t **lst,
const char *key, const char *val);
config_line_t *config_lines_dup(const config_line_t *inp);
config_line_t *config_lines_dup_and_filter(const config_line_t *inp,
const char *key);
const config_line_t *config_line_find(const config_line_t *lines,
const char *key);
int config_lines_eq(config_line_t *a, config_line_t *b);
int config_count_key(const config_line_t *a, const char *key);
void config_free_lines_(config_line_t *front);
#define config_free_lines(front) \
do { \
config_free_lines_(front); \
(front) = NULL; \
} while (0)
const char *parse_config_line_from_str_verbose(const char *line,
char **key_out, char **value_out,
const char **err_out);
int config_get_lines(const char *string, struct config_line_t **result,
int extended);
typedef int (*include_handler_fn)(const char *, int, int,
struct config_line_t **,
struct config_line_t **,
struct smartlist_t *);
int config_get_lines_aux(const char *string, struct config_line_t **result,
int extended,
int allow_include, int *has_include,
struct smartlist_t *opened_lst, int recursion_level,
config_line_t **last,
include_handler_fn handle_include);
#endif /* !defined(TOR_CONFLINE_H) */
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