src/src/lookups/testdb.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2015 */
   6 /* Copyright (c) The Exim Maintainers 2020 */
   7 /* See the file NOTICE for conditions of use and distribution. */
   8
   9 #include "../exim.h"
  10 #include "lf_functions.h"
  11
  12
  13 /* These are not real lookup functions; they are just a way of testing the
  14 rest of Exim by providing an easy way of specifying particular yields from
  15 the find function. */
  16
  17
  18 /*************************************************
  19 *              Open entry point                  *
  20 *************************************************/
  21
  22 /* See local README for interface description. */
  23
  24 static void *
  25 testdb_open(const uschar * filename, uschar ** errmsg)
  26 {
  27 filename = filename;   /* Keep picky compilers happy */
  28 errmsg = errmsg;
  29 return (void *)(1);    /* Just return something non-null */
  30 }
  31
  32
  33
  34 /*************************************************
  35 *               Find entry point                 *
  36 *************************************************/
  37
  38 /* See local README for interface description. */
  39
  40 static int
  41 testdb_find(void * handle, const uschar * filename, const uschar * query,
  42   int length, uschar ** result, uschar ** errmsg, uint * do_cache,
  43   const uschar * opts)
  44 {
  45 handle = handle;          /* Keep picky compilers happy */
  46 filename = filename;
  47 length = length;
  48
  49 if (Ustrcmp(query, "fail") == 0)
  50   {
  51   *errmsg = US"testdb lookup forced FAIL";
  52   DEBUG(D_lookup) debug_printf_indent("%s\n", *errmsg);
  53   return FAIL;
  54   }
  55 if (Ustrcmp(query, "defer") == 0)
  56   {
  57   *errmsg = US"testdb lookup forced DEFER";
  58   DEBUG(D_lookup) debug_printf_indent("%s\n", *errmsg);
  59   return DEFER;
  60   }
  61
  62 if (Ustrcmp(query, "nocache") == 0) *do_cache = 0;
  63
  64 *result = string_copy(query);
  65 return OK;
  66 }
  67
  68
  69 /*************************************************
  70 *         Version reporting entry point          *
  71 *************************************************/
  72
  73 /* See local README for interface description. */
  74
  75 #include "../version.h"
  76
  77 void
  78 testdb_version_report(FILE *f)
  79 {
  80 #ifdef DYNLOOKUP
  81 fprintf(f, "Library version: TestDB: Exim version %s\n", EXIM_VERSION_STR);
  82 #endif
  83 }
  84
  85
  86 static lookup_info _lookup_info = {
  87   .name = US"testdb",                   /* lookup name */
  88   .type = lookup_querystyle,            /* query-style lookup */
  89   .open = testdb_open,                  /* open function */
  90   .check = NULL,                        /* check function */
  91   .find = testdb_find,                  /* find function */
  92   .close = NULL,                        /* no close function */
  93   .tidy = NULL,                         /* no tidy function */
  94   .quote = NULL,                        /* no quoting function */
  95   .version_report = testdb_version_report          /* version reporting */
  96 };
  97
  98 #ifdef DYNLOOKUP
  99 #define testdb_lookup_module_info _lookup_module_info
 100 #endif
 101
 102 static lookup_info *_lookup_list[] = { &_lookup_info };
 103 lookup_module_info testdb_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 1 };
 104
 105 /* End of lookups/testdb.c */