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/* This is a test function for dynamic loading in Exim expansions. It uses the
number of arguments to control the result. */
/* These lines are taken from local_scan.h in the Exim source: */
/* ========================================================================== */
/* Return codes from the support functions lss_match_xxx(). These are also the
codes that dynamically-loaded ${dlfunc functions must return. */
#define OK 0 /* Successful match */
#define DEFER 1 /* Defer - some problem */
#define FAIL 2 /* Matching failed */
#define ERROR 3 /* Internal or config error */
/* Extra return code for ${dlfunc functions */
#define FAIL_FORCED 4 /* "Forced" failure */
/* ========================================================================== */
int dltest(unsigned char **yield, int argc, unsigned char *argv[])
{
switch (argc)
{
case 0:
return ERROR;
case 1:
*yield = argv[0];
return OK;
case 2:
*yield = (unsigned char *)"yield FAIL_FORCED";
return FAIL_FORCED;
default:
*yield = (unsigned char *)"yield FAIL";
return FAIL;
}
}
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