1 files changed, 102 insertions, 0 deletions
diff --git a/imap/src/osdep/dos/os_dpc.c b/imap/src/osdep/dos/os_dpc.c
new file mode 100644
index 00000000..eece19d7
--- /dev/null
+++ b/imap/src/osdep/dos/os_dpc.c
@@ -0,0 +1,102 @@
+/* ========================================================================
+ * Copyright 1988-2006 University of Washington
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 
+ * ========================================================================
+ */
+
+/*
+ * Program:	Operating-system dependent routines -- MS-DOS (PC/TCP) version
+ *
+ * Author:	Mark Crispin
+ *		Networks and Distributed Computing
+ *		Computing & Communications
+ *		University of Washington
+ *		Administration Building, AG-44
+ *		Seattle, WA  98195
+ *		Internet: MRC@CAC.Washington.EDU
+ *
+ * Date:	11 April 1989
+ * Last Edited:	30 August 2006
+ */
+
+/* Private function prototypes */
+
+#include "tcp_dos.h"		/* must be before osdep includes tcp.h */
+#include "mail.h"
+#include "osdep.h"
+#include <time.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <sys\stat.h>
+#include <sys\timeb.h>
+#include <4bsddefs.h>
+#include <sys\socket.h>
+#include <errno.h>
+#include <arpa\inet.h>
+#include <netinet\in.h>
+#include <netdb.h>
+#include "misc.h"
+
+
+#include "fs_dos.c"
+#include "ftl_dos.c"
+#include "nl_dos.c"
+#include "env_dos.c"
+#undef write
+#include "tcp_dos.c"
+
+
+/* Return my local host name
+ * Returns: my local host name
+ */
+
+char *mylocalhost (void)
+{
+  if (!myLocalHost) {		/* known yet */
+    char *s,tmp[MAILTMPLEN];
+    long myip;
+				/* see if known host name */
+    if (!gethostname (tmp,MAILTMPLEN-1)) s = tmp;
+				/* no, try IP address */
+    else if (myip = gethostid ()) {
+      struct in_addr in;
+      in.s_addr = myip;
+      sprintf (s = tmp,"[%s]",inet_ntoa (in));
+    }
+				/* older kernel, look harder. */
+    else if (getconf ("ifcust","ip-address",tmp+1,MAILTMPLEN-2)) {
+      *(s = tmp) = '[';		/* wrap the brackets around it */
+      strcat (tmp,"]");
+    }
+    else s = "random-pc";	/* say what? */
+    myLocalHost = cpystr (s);	/* record for subsequent use */
+  }
+  return myLocalHost;
+}
+
+
+/* Look up host address
+ * Accepts: pointer to pointer to host name
+ *	    socket address block
+ * Returns: non-zero with host address in socket, official host name in host;
+ *	    else NIL
+ */
+
+long lookuphost (char **host,struct sockaddr_in *sin)
+{
+  long ret = -1;
+  char tmp[MAILTMPLEN];
+  struct hostent *hn = gethostbyname (lcase (strcpy (tmp,*host)));
+  if (!hn) return NIL;		/* got a host name? */
+  *host = cpystr (hn->h_name);	/* set official name */
+				/* copy host addresses */
+  memcpy (&sin->sin_addr,hn->h_addr,hn->h_length);
+  return T;
+}