diff -r -u3 fastforward-0.51_orig/newaliases.c fastforward-0.51/newaliases.c
--- fastforward-0.51_orig/newaliases.c	Tue May 19 12:25:42 1998
+++ fastforward-0.51/newaliases.c	Fri Jan  1 15:15:50 1999
@@ -270,18 +270,43 @@
   if (cdbmss_add(&cdbmss,key.s,key.len,instr.s,instr.len) == -1) writeerr();
 }
 
-void main()
+void main(argc,argv)
+int argc;
+int **argv;
 {
   int fd;
 
+  stralloc aliases = {0};
+  stralloc tmp = {0};
+  stralloc bin = {0};
+
   umask(033);
   readcontrols();
 
-  fd = open_read("/etc/aliases");
+  if ( argc < 1 )
+  {
+    if (!stralloc_copys(&aliases, "/etc/aliases")) nomem();
+  }
+  else
+  {
+    if (!stralloc_copys(&aliases, argv[1])) nomem();
+  }
+
+  if (!stralloc_copy(&tmp, &aliases)) nomem();
+  if (!stralloc_cats(&tmp, ".tmp")) nomem();
+  if (!stralloc_0(&tmp)) nomem();
+
+  if (!stralloc_copy(&bin, &aliases)) nomem();
+  if (!stralloc_cats(&bin, ".cdb")) nomem();
+  if (!stralloc_0(&bin)) nomem();
+
+  if (!stralloc_0(&aliases)) nomem();
+
+  fd = open_read(aliases.s);
   if (fd == -1) readerr();
   substdio_fdbuf(&ssin,read,fd,inbuf,sizeof inbuf);
 
-  fd = open_trunc("/etc/aliases.tmp");
+  fd = open_trunc(tmp.s);
   if (fd == -1) strerr_die2sys(111,FATAL,"unable to create /etc/aliases.tmp: ");
   if (cdbmss_start(&cdbmss,fd) == -1) writeerr();
 
@@ -314,7 +339,7 @@
   if (fsync(fd) == -1) writeerr();
   if (close(fd) == -1) writeerr(); /* NFS stupidity */
 
-  if (rename("/etc/aliases.tmp","/etc/aliases.cdb") == -1)
+  if (rename(tmp.s,bin.s) == -1)
     strerr_die2sys(111,FATAL,"unable to move /etc/aliases.tmp to /etc/aliases.cdb: ");
   
   _exit(0);