Libc-498.tar.gz

[apple/libc.git] / stdio / FreeBSD / makebuf.c.patch

diff --git a/stdio/FreeBSD/makebuf.c.patch b/stdio/FreeBSD/makebuf.c.patch
new file mode 100644 (file)
index 0000000..49aeb43
--- /dev/null
+++ b/stdio/FreeBSD/makebuf.c.patch
@@ -0,0 +1,33 @@
+--- makebuf.c.orig     2006-10-11 20:54:06.000000000 -0700
++++ makebuf.c  2006-10-12 10:09:09.000000000 -0700
+@@ -49,6 +49,8 @@
+ #include "local.h"
+ #include "un-namespace.h"
+ 
++#define TTYBUFSIZE    4096
++
+ /*
+  * Allocate a file buffer, or switch to unbuffered I/O.
+  * Per the ANSI C standard, ALL tty devices default to line buffered.
+@@ -71,6 +73,12 @@
+               return;
+       }
+       flags = __swhatbuf(fp, &size, &couldbetty);
++      if (couldbetty && isatty(fp->_file)) {
++              flags |= __SLBF;
++              /* st_blksize for ttys is 128K, so make it more reasonable */
++              if (size > TTYBUFSIZE)
++                      fp->_blksize = size = TTYBUFSIZE;
++      }
+       if ((p = malloc(size)) == NULL) {
+               fp->_flags |= __SNBF;
+               fp->_bf._base = fp->_p = fp->_nbuf;
+@@ -81,8 +89,6 @@
+       flags |= __SMBF;
+       fp->_bf._base = fp->_p = p;
+       fp->_bf._size = size;
+-      if (couldbetty && isatty(fp->_file))
+-              flags |= __SLBF;
+       fp->_flags |= flags;
+ }
+