src/lib/container/namemap.h

   1 /* Copyright (c) 2003-2004, Roger Dingledine
   2  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
   3  * Copyright (c) 2007-2021, The Tor Project, Inc. */
   4 /* See LICENSE for licensing information */
   5
   6 #ifndef TOR_NAMEMAP_H
   7 #define TOR_NAMEMAP_H
   8
   9 /**
  10  * \file namemap.h
  11  *
  12  * \brief Header for namemap.c
  13  **/
  14
  15 #include "lib/cc/compat_compiler.h"
  16 #include "ext/ht.h"
  17
  18 #include <stddef.h>
  19
  20 typedef struct namemap_t namemap_t;
  21
  22 /** Returned in place of an identifier when an error occurs. */
  23 #define NAMEMAP_ERR UINT_MAX
  24
  25 void namemap_init(namemap_t *map);
  26 const char *namemap_get_name(const namemap_t *map, unsigned id);
  27 const char *namemap_fmt_name(const namemap_t *map, unsigned id);
  28 unsigned namemap_get_id(const namemap_t *map,
  29                         const char *name);
  30 unsigned namemap_get_or_create_id(namemap_t *map,
  31                                   const char *name);
  32 size_t namemap_get_size(const namemap_t *map);
  33 void namemap_clear(namemap_t *map);
  34
  35 #endif /* !defined(TOR_NAMEMAP_H) */