stdio/FreeBSD/makebuf.c.patch

   1 --- makebuf.c.orig      2006-10-11 20:54:06.000000000 -0700
   2 +++ makebuf.c   2006-10-12 10:09:09.000000000 -0700
   3 @@ -49,6 +49,8 @@
   4  #include "local.h"
   5  #include "un-namespace.h"
   6
   7 +#define TTYBUFSIZE     4096
   8 +
   9  /*
  10   * Allocate a file buffer, or switch to unbuffered I/O.
  11   * Per the ANSI C standard, ALL tty devices default to line buffered.
  12 @@ -71,6 +73,12 @@
  13                 return;
  14         }
  15         flags = __swhatbuf(fp, &size, &couldbetty);
  16 +       if (couldbetty && isatty(fp->_file)) {
  17 +               flags |= __SLBF;
  18 +               /* st_blksize for ttys is 128K, so make it more reasonable */
  19 +               if (size > TTYBUFSIZE)
  20 +                       fp->_blksize = size = TTYBUFSIZE;
  21 +       }
  22         if ((p = malloc(size)) == NULL) {
  23                 fp->_flags |= __SNBF;
  24                 fp->_bf._base = fp->_p = fp->_nbuf;
  25 @@ -81,8 +89,6 @@
  26         flags |= __SMBF;
  27         fp->_bf._base = fp->_p = p;
  28         fp->_bf._size = size;
  29 -       if (couldbetty && isatty(fp->_file))
  30 -               flags |= __SLBF;
  31         fp->_flags |= flags;
  32  }
  33