external/ibm-public/postfix/dist/src/util/dict_static.c

   1 /*      $NetBSD$        */
   2
   3 /*++
   4 /* NAME
   5 /*      dict_static 3
   6 /* SUMMARY
   7 /*      dictionary manager interface to static variables
   8 /* SYNOPSIS
   9 /*      #include <dict_static.h>
  10 /*
  11 /*      DICT    *dict_static_open(name, dummy, dict_flags)
  12 /*      const char *name;
  13 /*      int     dummy;
  14 /*      int     dict_flags;
  15 /* DESCRIPTION
  16 /*      dict_static_open() implements a dummy dictionary that returns
  17 /*      as lookup result the dictionary name, regardless of the lookup
  18 /*      key value.
  19 /*
  20 /*      The \fIdummy\fR argument is ignored.
  21 /* SEE ALSO
  22 /*      dict(3) generic dictionary manager
  23 /* LICENSE
  24 /* .ad
  25 /* .fi
  26 /*      The Secure Mailer license must be distributed with this software.
  27 /* AUTHOR(S)
  28 /*      jeffm
  29 /*      ghostgun.com
  30 /*--*/
  31
  32 /* System library. */
  33
  34 #include "sys_defs.h"
  35 #include <stdio.h>                      /* sprintf() prototype */
  36 #include <stdlib.h>
  37 #include <unistd.h>
  38 #include <string.h>
  39
  40 /* Utility library. */
  41
  42 #include "mymalloc.h"
  43 #include "msg.h"
  44 #include "dict.h"
  45 #include "dict_static.h"
  46
  47 /* dict_static_lookup - access static value*/
  48
  49 static const char *dict_static_lookup(DICT *dict, const char *unused_name)
  50 {
  51     dict_errno = 0;
  52
  53     return (dict->name);
  54 }
  55
  56 /* dict_static_close - close static dictionary */
  57
  58 static void dict_static_close(DICT *dict)
  59 {
  60     dict_free(dict);
  61 }
  62
  63 /* dict_static_open - make association with static variable */
  64
  65 DICT   *dict_static_open(const char *name, int unused_flags, int dict_flags)
  66 {
  67     DICT   *dict;
  68
  69     dict = dict_alloc(DICT_TYPE_STATIC, name, sizeof(*dict));
  70     dict->lookup = dict_static_lookup;
  71     dict->close = dict_static_close;
  72     dict->flags = dict_flags | DICT_FLAG_FIXED;
  73     return (DICT_DEBUG (dict));
  74 }