src/src/dummies.c

   1 /* $Cambridge: exim/src/src/dummies.c,v 1.2 2005/01/04 10:00:42 ph10 Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2005 */
   8 /* See the file NOTICE for conditions of use and distribution. */
   9
  10 /* This file is not part of the main Exim code. There are little bits of test
  11 code for some of Exim's modules, and when they are used, the module they are
  12 testing may call other main Exim functions that are not available and/or
  13 should not be used in a test. The classic case is log_write(). This module
  14 contains dummy versions of such functions - well not really dummies, more like
  15 alternates. */
  16
  17 #include <stdarg.h>
  18 #include <stdio.h>
  19 #include <errno.h>
  20 #include <string.h>
  21
  22 /* We don't have the full Exim headers dragged in, but this function
  23 is used for debugging output. */
  24
  25 extern int  string_vformat(char *, int, char *, va_list);
  26
  27
  28 /*************************************************
  29 *         Handle calls to write the log          *
  30 *************************************************/
  31
  32 /* The message gets written to stderr when log_write() is called from a
  33 utility. The message always gets '\n' added on the end of it.
  34
  35 Arguments:
  36   selector  not relevant when running a utility
  37   flags     not relevant when running a utility
  38   format    a printf() format
  39   ...       arguments for format
  40
  41 Returns:    nothing
  42 */
  43
  44 void
  45 log_write(unsigned int selector, int flags, char *format, ...)
  46 {
  47 va_list ap;
  48 va_start(ap, format);
  49 vfprintf(stderr, format, ap);
  50 fprintf(stderr, "\n");
  51 va_end(ap);
  52 selector = selector;     /* Keep picky compilers happy */
  53 flags = flags;
  54 }
  55
  56
  57 /*************************************************
  58 *      Handle calls to print debug output        *
  59 *************************************************/
  60
  61 /* The message just gets written to stderr
  62
  63 Arguments:
  64   format    a printf() format
  65   ...       arguments for format
  66
  67 Returns:    nothing
  68 */
  69
  70 void
  71 debug_printf(char *format, ...)
  72 {
  73 va_list ap;
  74 char buffer[1024];
  75
  76 va_start(ap, format);
  77
  78 if (!string_vformat(buffer, sizeof(buffer), format, ap))
  79   {
  80   char *s = "**** debug string overflowed buffer ****\n";
  81   char *p = buffer + (int)strlen(buffer);
  82   int maxlen = sizeof(buffer) - (int)strlen(s) - 3;
  83   if (p > buffer + maxlen) p = buffer + maxlen;
  84   if (p > buffer && p[-1] != '\n') *p++ = '\n';
  85   strcpy(p, s);
  86   }
  87
  88 fprintf(stderr, "%s", buffer);
  89 fflush(stderr);
  90 va_end(ap);
  91 }
  92
  93
  94
  95 /*************************************************
  96 *              SIGALRM handler                   *
  97 *************************************************/
  98
  99 extern int sigalrm_seen;
 100
 101 void
 102 sigalrm_handler(int sig)
 103 {
 104 sig = sig;            /* Keep picky compilers happy */
 105 sigalrm_seen = 1;
 106 }
 107
 108
 109
 110 /*************************************************
 111 *              Complete Dummies                  *
 112 *************************************************/
 113
 114 int
 115 header_checkname(void *h, char *name, int len)
 116 {
 117 h = h;            /* Keep picky compilers happy */
 118 name = name;
 119 len = len;
 120 return 0;
 121 }
 122
 123 void
 124 directory_make(char *parent, char *name, int mode, int panic)
 125 {
 126 parent = parent;  /* Keep picky compilers happy */
 127 name = name;
 128 mode = mode;
 129 panic = panic;
 130 }
 131
 132 void
 133 host_build_sender_fullhost(void) { }
 134
 135 /* This one isn't needed for test_host */
 136
 137 #ifndef TEST_HOST
 138 char *
 139 host_ntoa(int type, const void *arg, char *buffer, int *portptr)
 140 {
 141 type = type;      /* Keep picky compilers happy */
 142 arg = arg;
 143 buffer = buffer;
 144 portptr = portptr;
 145 return NULL;
 146 }
 147 #endif
 148
 149
 150 /* End of dummies.c */