1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2009 */
6 /* Copyright (c) The Exim Maintainers 2021 */
7 /* See the file NOTICE for conditions of use and distribution. */
9 /* This file is not part of the main Exim code. There are little bits of test
10 code for some of Exim's modules, and when they are used, the module they are
11 testing may call other main Exim functions that are not available and/or
12 should not be used in a test. The classic case is log_write(). This module
13 contains dummy versions of such functions - well not really dummies, more like
21 /* We don't have the full Exim headers dragged in, but this function
22 is used for debugging output. */
24 extern gstring * string_vformat(gstring *, unsigned, const char *, va_list);
27 /*************************************************
28 * Handle calls to write the log *
29 *************************************************/
31 /* The message gets written to stderr when log_write() is called from a
32 utility. The message always gets '\n' added on the end of it.
35 selector not relevant when running a utility
36 flags not relevant when running a utility
37 format a printf() format
38 ... arguments for format
44 log_write(unsigned int selector, int flags, char *format, ...)
48 vfprintf(stderr, format, ap);
49 fprintf(stderr, "\n");
54 /*************************************************
55 * Handle calls to print debug output *
56 *************************************************/
58 /* The message just gets written to stderr.
59 We use tainted memory to format into just so that we can handle
63 format a printf() format
64 ... arguments for format
70 debug_printf(char *format, ...)
73 rmark reset_point = store_mark();
74 gstring * g = string_get_tainted(1024, TRUE);
78 if (!string_vformat(g, 0, format, ap))
80 char * s = "**** debug string overflowed buffer ****\n";
81 char * p = CS g->s + g->ptr;
82 int maxlen = g->size - (int)strlen(s) - 3;
83 if (p > g->s + maxlen) p = g->s + maxlen;
84 if (p > g->s && p[-1] != '\n') *p++ = '\n';
88 fprintf(stderr, "%s", string_from_gstring(g));
90 store_reset(reset_point);
96 /*************************************************
98 *************************************************/
100 extern int sigalrm_seen;
103 sigalrm_handler(int sig)
110 /*************************************************
112 *************************************************/
115 header_checkname(void *h, char *name, int len)
121 directory_make(char *parent, char *name, int mode, int panic)
126 host_build_sender_fullhost(void) { }
128 /* This one isn't needed for test_host */
132 host_ntoa(int type, const void *arg, char *buffer, int *portptr)
139 /* End of dummies.c */