ab821f1aca186f62c038ea7bff6d308f29ba1fe2
[exim.git] / src / src / dummies.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2009 */
6 /* See the file NOTICE for conditions of use and distribution. */
7
8 /* This file is not part of the main Exim code. There are little bits of test
9 code for some of Exim's modules, and when they are used, the module they are
10 testing may call other main Exim functions that are not available and/or
11 should not be used in a test. The classic case is log_write(). This module
12 contains dummy versions of such functions - well not really dummies, more like
13 alternates. */
14
15 #include <stdarg.h>
16 #include <stdio.h>
17 #include <errno.h>
18 #include <string.h>
19
20 /* We don't have the full Exim headers dragged in, but this function
21 is used for debugging output. */
22
23 extern int string_vformat(char *, int, char *, va_list);
24
25
26 /*************************************************
27 * Handle calls to write the log *
28 *************************************************/
29
30 /* The message gets written to stderr when log_write() is called from a
31 utility. The message always gets '\n' added on the end of it.
32
33 Arguments:
34 selector not relevant when running a utility
35 flags not relevant when running a utility
36 format a printf() format
37 ... arguments for format
38
39 Returns: nothing
40 */
41
42 void
43 log_write(unsigned int selector, int flags, char *format, ...)
44 {
45 va_list ap;
46 va_start(ap, format);
47 vfprintf(stderr, format, ap);
48 fprintf(stderr, "\n");
49 va_end(ap);
50 selector = selector; /* Keep picky compilers happy */
51 flags = flags;
52 }
53
54
55 /*************************************************
56 * Handle calls to print debug output *
57 *************************************************/
58
59 /* The message just gets written to stderr
60
61 Arguments:
62 format a printf() format
63 ... arguments for format
64
65 Returns: nothing
66 */
67
68 void
69 debug_printf(char *format, ...)
70 {
71 va_list ap;
72 char buffer[1024];
73
74 va_start(ap, format);
75
76 if (!string_vformat(buffer, sizeof(buffer), format, ap))
77 {
78 char *s = "**** debug string overflowed buffer ****\n";
79 char *p = buffer + (int)strlen(buffer);
80 int maxlen = sizeof(buffer) - (int)strlen(s) - 3;
81 if (p > buffer + maxlen) p = buffer + maxlen;
82 if (p > buffer && p[-1] != '\n') *p++ = '\n';
83 strcpy(p, s);
84 }
85
86 fprintf(stderr, "%s", buffer);
87 fflush(stderr);
88 va_end(ap);
89 }
90
91
92
93 /*************************************************
94 * SIGALRM handler *
95 *************************************************/
96
97 extern int sigalrm_seen;
98
99 void
100 sigalrm_handler(int sig)
101 {
102 sig = sig; /* Keep picky compilers happy */
103 sigalrm_seen = TRUE;
104 }
105
106
107
108 /*************************************************
109 * Complete Dummies *
110 *************************************************/
111
112 int
113 header_checkname(void *h, char *name, int len)
114 {
115 h = h; /* Keep picky compilers happy */
116 name = name;
117 len = len;
118 return 0;
119 }
120
121 void
122 directory_make(char *parent, char *name, int mode, int panic)
123 {
124 parent = parent; /* Keep picky compilers happy */
125 name = name;
126 mode = mode;
127 panic = panic;
128 }
129
130 void
131 host_build_sender_fullhost(void) { }
132
133 /* This one isn't needed for test_host */
134
135 #ifndef TEST_HOST
136 char *
137 host_ntoa(int type, const void *arg, char *buffer, int *portptr)
138 {
139 type = type; /* Keep picky compilers happy */
140 arg = arg;
141 buffer = buffer;
142 portptr = portptr;
143 return NULL;
144 }
145 #endif
146
147
148 /* End of dummies.c */