File procmail-3.22-owl-truncate.dif of Package procmail

--- -	2006-01-13 17:16:54.740414000 +0000
+++ src/mailfold.c	2006-01-13 17:15:39.000000000 +0000
@@ -120,13 +120,19 @@
       }
 writefin:
      i=type!=ft_PIPE&&fsync(s)&&errno!=EINVAL;	  /* EINVAL => wasn't a file */
+     if ((i&&!len?-1:len)&&lasttell>=0)
+      { int serrno=errno;
+	if(ftruncate(s,lasttell)) lasttell= -1;
+	SETerrno(serrno);
+      }
+  /* else: Do _not_ reset lasttell to -1 because the value is used for biff */
      if(ft_lock(type))
       { int serrno=errno;		       /* save any error information */
 	if(fdunlock())
 	   nlog("Kernel-unlock failed\n");
 	SETerrno(serrno);
       }
-     i=rclose(s)||i;
+     i=rclose(s)||i; /* if this fails, we should truncate, but it's too late */
    }			   /* return an error even if nothing was to be sent */
   return i&&!len?-1:len;
 }
@@ -237,7 +243,7 @@
 #endif
 	      default:writeerr(buf);
 	    }
-	   if(lasttell>=0&&!truncate(boxname,lasttell)&&(logopened||verbose))
+	   if(lasttell>=0&&(logopened||verbose))
 	      nlog("Truncated file to former size\n");	    /* undo garbage */
 ret0:	   return 0;
 	 }