--- qmail-1.03/preline.c	Mon Jun 15 12:53:16 1998
+++ qmail-1.03-fefe/preline.c	Thu Jul 25 23:40:05 2002
@@ -20,6 +20,7 @@
 int flagufline = 1; char *ufline;
 int flagrpline = 1; char *rpline;
 int flagdtline = 1; char *dtline;
+int flagpipe = 0;
 
 char outbuf[SUBSTDIO_OUTSIZE];
 char inbuf[SUBSTDIO_INSIZE];
@@ -41,7 +42,7 @@
   if (!(rpline = env_get("RPLINE"))) die_usage();
   if (!(dtline = env_get("DTLINE"))) die_usage();
  
-  while ((opt = getopt(argc,argv,"frdFRD")) != opteof)
+  while ((opt = getopt(argc,argv,"frdFRDp")) != opteof)
     switch(opt) {
       case 'f': flagufline = 0; break;
       case 'r': flagrpline = 0; break;
@@ -49,6 +50,7 @@
       case 'F': flagufline = 1; break;
       case 'R': flagrpline = 1; break;
       case 'D': flagdtline = 1; break;
+      case 'p': flagpipe = 1; break;
       default: die_usage();
     }
   argc -= optind;
@@ -77,8 +79,10 @@
   if (flagufline) substdio_bputs(&ssout,ufline);
   if (flagrpline) substdio_bputs(&ssout,rpline);
   if (flagdtline) substdio_bputs(&ssout,dtline);
-  if (substdio_copy(&ssout,&ssin) != 0)
-    strerr_die2sys(111,FATAL,"unable to copy input: ");
+  if (substdio_copy(&ssout,&ssin) != 0) {
+    if (errno!=error_pipe || !flagpipe)
+      strerr_die2sys(111,FATAL,"unable to copy input: ");
+  }
   substdio_flush(&ssout);
   close(1);