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[exim.git] / src / src / dummies.c

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+/* $Cambridge: exim/src/src/dummies.c,v 1.1 2004/10/07 10:39:01 ph10 Exp $ */
+
+/*************************************************
+*     Exim - an Internet mail transport agent    *
+*************************************************/
+
+/* Copyright (c) University of Cambridge 1995 - 2004 */
+/* See the file NOTICE for conditions of use and distribution. */
+
+/* This file is not part of the main Exim code. There are little bits of test
+code for some of Exim's modules, and when they are used, the module they are
+testing may call other main Exim functions that are not available and/or
+should not be used in a test. The classic case is log_write(). This module
+contains dummy versions of such functions - well not really dummies, more like
+alternates. */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+
+/* We don't have the full Exim headers dragged in, but this function
+is used for debugging output. */
+
+extern int  string_vformat(char *, int, char *, va_list);
+
+
+/*************************************************
+*         Handle calls to write the log          *
+*************************************************/
+
+/* The message gets written to stderr when log_write() is called from a
+utility. The message always gets '\n' added on the end of it.
+
+Arguments:
+  selector  not relevant when running a utility
+  flags     not relevant when running a utility
+  format    a printf() format
+  ...       arguments for format
+
+Returns:    nothing
+*/
+
+void
+log_write(unsigned int selector, int flags, char *format, ...)
+{
+va_list ap;
+va_start(ap, format);
+vfprintf(stderr, format, ap);
+fprintf(stderr, "\n");
+va_end(ap);
+selector = selector;     /* Keep picky compilers happy */
+flags = flags;
+}
+
+
+/*************************************************
+*      Handle calls to print debug output        *
+*************************************************/
+
+/* The message just gets written to stderr
+
+Arguments:
+  format    a printf() format
+  ...       arguments for format
+
+Returns:    nothing
+*/
+
+void
+debug_printf(char *format, ...)
+{
+va_list ap;
+char buffer[1024];
+
+va_start(ap, format);
+
+if (!string_vformat(buffer, sizeof(buffer), format, ap))
+  {
+  char *s = "**** debug string overflowed buffer ****\n";
+  char *p = buffer + (int)strlen(buffer);
+  int maxlen = sizeof(buffer) - (int)strlen(s) - 3;
+  if (p > buffer + maxlen) p = buffer + maxlen;
+  if (p > buffer && p[-1] != '\n') *p++ = '\n';
+  strcpy(p, s);
+  }
+
+fprintf(stderr, "%s", buffer);
+fflush(stderr);
+va_end(ap);
+}
+
+
+
+/*************************************************
+*              SIGALRM handler                   *
+*************************************************/
+
+extern int sigalrm_seen;
+
+void
+sigalrm_handler(int sig)
+{
+sig = sig;            /* Keep picky compilers happy */
+sigalrm_seen = 1;
+}
+
+
+
+/*************************************************
+*              Complete Dummies                  *
+*************************************************/
+
+int
+header_checkname(void *h, char *name, int len)
+{
+h = h;            /* Keep picky compilers happy */
+name = name;
+len = len;
+return 0;
+}
+
+void
+directory_make(char *parent, char *name, int mode, int panic)
+{
+parent = parent;  /* Keep picky compilers happy */
+name = name;
+mode = mode;
+panic = panic;
+}
+
+void
+host_build_sender_fullhost(void) { }
+
+/* This one isn't needed for test_host */
+
+#ifndef TEST_HOST
+char *
+host_ntoa(int type, const void *arg, char *buffer, int *portptr)
+{
+type = type;      /* Keep picky compilers happy */
+arg = arg;
+buffer = buffer;
+portptr = portptr;
+return NULL;
+}
+#endif
+
+
+/* End of dummies.c */