test/src/loaded.c

   1 /* $Cambridge: exim/test/src/loaded.c,v 1.1 2006/02/06 16:24:05 ph10 Exp $ */
   2
   3 /* This is a test function for dynamic loading in Exim expansions. It uses the
   4 number of arguments to control the result. */
   5
   6 /* These lines are taken from local_scan.h in the Exim source: */
   7
   8 /* ========================================================================== */
   9 /* Return codes from the support functions lss_match_xxx(). These are also the
  10 codes that dynamically-loaded ${dlfunc functions must return. */
  11
  12 #define  OK            0          /* Successful match */
  13 #define  DEFER         1          /* Defer - some problem */
  14 #define  FAIL          2          /* Matching failed */
  15 #define  ERROR         3          /* Internal or config error */
  16
  17 /* Extra return code for ${dlfunc functions */
  18
  19 #define  FAIL_FORCED   4          /* "Forced" failure */
  20 /* ========================================================================== */
  21
  22
  23 int dltest(unsigned char **yield, int argc, unsigned char *argv[])
  24 {
  25 switch (argc)
  26   {
  27   case 0:
  28   return ERROR;
  29
  30   case 1:
  31   *yield = argv[0];
  32   return OK;
  33
  34   case 2:
  35   *yield = (unsigned char *)"yield FAIL_FORCED";
  36   return FAIL_FORCED;
  37
  38   default:
  39   *yield = (unsigned char *)"yield FAIL";
  40   return FAIL;
  41   }
  42 }