1 /* $Cambridge: exim/src/src/routers/rf_expand_data.c,v 1.2 2005/01/04 10:00:44 ph10 Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) University of Cambridge 1995 - 2005 */
8 /* See the file NOTICE for conditions of use and distribution. */
12 #include "rf_functions.h"
15 /*************************************************
16 * Expand data string and handle errors *
17 *************************************************/
19 /* This little function is used by a couple of routers for expanding things. It
20 just saves repeating this code too many times. It does an expansion, and
21 chooses a suitable return code on error.
24 addr the address that's being routed
25 s the string to be expanded
26 prc pointer to where to put the return code on failure
28 Returns: the expanded string, or NULL (with prc set) on failure
32 rf_expand_data(address_item *addr, uschar *s, int *prc)
34 uschar *yield = expand_string(s);
35 if (yield != NULL) return yield;
36 if (expand_string_forcedfail)
38 DEBUG(D_route) debug_printf("forced failure for expansion of \"%s\"\n", s);
43 addr->message = string_sprintf("failed to expand \"%s\": %s", s,
44 expand_string_message);
50 /* End of routers/rf_expand_data.c */