4107df1d1b
o cf_define_symbol() -- it assigns a meaning to a symbol, bailing
out if it already has one.
o cf_find_symbol() -- finds symbol by name and creates it if not found.
Also modified filter/config.Y to make use of the first function.
82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
/*
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* BIRD Internet Routing Daemon -- Configuration File Handling
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*
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* (c) 1998--1999 Martin Mares <mj@ucw.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_CONF_H_
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#define _BIRD_CONF_H_
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#include "lib/resource.h"
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/* Configuration structure */
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struct config {
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pool *pool; /* Pool the configuration is stored in */
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linpool *mem; /* Linear pool containing configuration data */
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list protos; /* Configured protocol instances (struct proto_config) */
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list tables; /* Configured routing tables (struct rtable_config) */
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struct rtable_config *master_rtc; /* Configuration of master routing table */
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u32 router_id; /* Our Router ID */
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char *err_msg; /* Parser error message */
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int err_lino; /* Line containing error */
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char *file_name; /* Name of configuration file */
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};
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extern struct config *config, *new_config;
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/* Please don't use these variables in protocols. Use proto_config->global instead. */
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struct config *config_alloc(byte *name);
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int config_parse(struct config *);
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void config_free(struct config *);
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void config_commit(struct config *);
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void cf_error(char *msg, ...) NORET;
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/* Pools */
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extern pool *cfg_pool;
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extern linpool *cfg_mem;
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#define cfg_alloc(size) lp_alloc(cfg_mem, size)
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#define cfg_allocu(size) lp_allocu(cfg_mem, size)
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#define cfg_allocz(size) lp_allocz(cfg_mem, size)
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char *cfg_strdup(char *c);
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/* Lexer */
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extern int (*cf_read_hook)(byte *buf, unsigned int max);
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struct symbol {
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struct symbol *next;
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int class;
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int aux;
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void *def;
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char name[1];
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};
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#define SYM_VOID 0
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#define SYM_PROTO 1
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#define SYM_NUMBER 2
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#define SYM_STAT 3 /* statement */
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#define SYM_FUNCTION 5
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#define SYM_FILTER 6
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#define SYM_TABLE 7
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#define SYM_VARIABLE 0x100 /* Reserved 0x100..0x1ff */
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extern int conf_lino;
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void cf_lex_init_tables(void);
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int cf_lex(void);
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void cf_lex_init(int flag);
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struct symbol *cf_find_symbol(byte *c);
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struct symbol *cf_default_name(char *prefix, int *counter);
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void cf_define_symbol(struct symbol *symbol, int type, void *def);
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/* Parser */
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int cf_parse(void);
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#endif
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