projects / exim.git / blame
| Commit | Line | Data |
|---|---|---|
| c988f1f4 | 1 | /* $Cambridge: exim/src/src/routers/rf_expand_data.c,v 1.2 2005/01/04 10:00:44 ph10 Exp $ */ |
| 0756eb3c PH |
2 | |
| 3 | /************************************************* | |
| 4 | * Exim - an Internet mail transport agent * | |
| 5 | *************************************************/ | |
| 6 | ||
| c988f1f4 | 7 | /* Copyright (c) University of Cambridge 1995 - 2005 */ |
| 0756eb3c PH |
8 | /* See the file NOTICE for conditions of use and distribution. */ |
| 9 | ||
| 10 | ||
| 11 | #include "../exim.h" | |
| 12 | #include "rf_functions.h" | |
| 13 | ||
| 14 | ||
| 15 | /************************************************* | |
| 16 | * Expand data string and handle errors * | |
| 17 | *************************************************/ | |
| 18 | ||
| 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. | |
| 22 | ||
| 23 | Arguments: | |
| 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 | |
| 27 | ||
| 28 | Returns: the expanded string, or NULL (with prc set) on failure | |
| 29 | */ | |
| 30 | ||
| 31 | uschar * | |
| 32 | rf_expand_data(address_item *addr, uschar *s, int *prc) | |
| 33 | { | |
| 34 | uschar *yield = expand_string(s); | |
| 35 | if (yield != NULL) return yield; | |
| 36 | if (expand_string_forcedfail) | |
| 37 | { | |
| 38 | DEBUG(D_route) debug_printf("forced failure for expansion of \"%s\"\n", s); | |
| 39 | *prc = DECLINE; | |
| 40 | } | |
| 41 | else | |
| 42 | { | |
| 43 | addr->message = string_sprintf("failed to expand \"%s\": %s", s, | |
| 44 | expand_string_message); | |
| 45 | *prc = DEFER; | |
| 46 | } | |
| 47 | return NULL; | |
| 48 | } | |
| 49 | ||
| 50 | /* End of routers/rf_expand_data.c */ |