stdio/FreeBSD/wbuf.c.patch

   1 --- wbuf.c.orig 2004-06-07 22:45:32.000000000 -0700
   2 +++ wbuf.c      2004-10-25 00:49:10.000000000 -0700
   3 @@ -41,6 +41,7 @@
   4  __FBSDID("$FreeBSD: src/lib/libc/stdio/wbuf.c,v 1.11 2004/06/08 05:45:32 das Exp $");
   5
   6  #include <stdio.h>
   7 +#include <errno.h>
   8  #include "local.h"
   9
  10  /*
  11 @@ -65,8 +66,10 @@
  12          * calls might wrap _w from negative to positive.
  13          */
  14         fp->_w = fp->_lbfsize;
  15 -       if (prepwrite(fp) != 0)
  16 +       if (prepwrite(fp) != 0) {
  17 +               errno = EBADF;
  18                 return (EOF);
  19 +       }
  20         c = (unsigned char)c;
  21
  22         ORIENT(fp, -1);