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