mirror of
git://sourceware.org/git/newlib-cygwin.git
synced 2025-01-30 02:50:25 +08:00
* acconfig.h (_UNBUF_STREAM_OPT): Undefine.
* newlib.hin (_UNBUF_STREAM_OPT): Undefine. * configure.in (--enable-newlib-unbuf-stream-opt): New option. * configure: Regenerate. * libc/stdio/vfprintf.c (_VFPRINTF_R): Don't do optimization on unbuffered stream files. * libc/stdio/vfwprintf.c (_VFWPRINTF_R): Likewise. * README: Add description about the option. * newlib.hin (_UNBUF_STREAM_OPT): Undefine. * configure.in (--enable-newlib-unbuf-stream-opt): New option. * configure: Regenerate. * libc/stdio/vfprintf.c (_VFPRINTF_R): Don't do optimization on unbuffered stream files. * libc/stdio/vfwprintf.c (_VFWPRINTF_R): Likewise. * README: Add description about the option.
This commit is contained in:
Corinna Vinschen
parent
04f8f69cb7
commit
82c19d335a
@ -1,3 +1,21 @@
|
||||
2013-06-19 Bin Cheng <bin.cheng@arm.com>
|
||||
|
||||
* acconfig.h (_UNBUF_STREAM_OPT): Undefine.
|
||||
* newlib.hin (_UNBUF_STREAM_OPT): Undefine.
|
||||
* configure.in (--enable-newlib-unbuf-stream-opt): New option.
|
||||
* configure: Regenerate.
|
||||
* libc/stdio/vfprintf.c (_VFPRINTF_R): Don't do optimization on
|
||||
unbuffered stream files.
|
||||
* libc/stdio/vfwprintf.c (_VFWPRINTF_R): Likewise.
|
||||
* README: Add description about the option.
|
||||
* newlib.hin (_UNBUF_STREAM_OPT): Undefine.
|
||||
* configure.in (--enable-newlib-unbuf-stream-opt): New option.
|
||||
* configure: Regenerate.
|
||||
* libc/stdio/vfprintf.c (_VFPRINTF_R): Don't do optimization on
|
||||
unbuffered stream files.
|
||||
* libc/stdio/vfwprintf.c (_VFWPRINTF_R): Likewise.
|
||||
* README: Add description about the option.
|
||||
|
||||
2013-06-19 Terraneo Federico <fede.tft@hotmail.it>
|
||||
|
||||
* libc/posix/readdir_r.c: Fix potential read past dirp->dd_buf.
|
||||
|
||||
@ -321,6 +321,13 @@ One feature can be enabled by specifying `--enable-FEATURE=yes' or
|
||||
support `--enable-malloc-debugging' any more.
|
||||
Disabled by default.
|
||||
|
||||
`--disable-newlib-unbuf-stream-opt'
|
||||
NEWLIB does optimization when `fprintf to write only unbuffered unix
|
||||
file'. It creates a temorary buffer to do the optimization that
|
||||
increases stack consumption by about `BUFSIZ' bytes. This option
|
||||
disables the optimization and saves size of text and stack.
|
||||
Enabled by default.
|
||||
|
||||
`--enable-multilib'
|
||||
Build many library versions.
|
||||
Enabled by default.
|
||||
|
||||
@ -64,6 +64,9 @@
|
||||
/* Define if wide char orientation is supported. */
|
||||
#undef _WIDE_ORIENT
|
||||
|
||||
/* Define if unbuffered stream file optimization is supported. */
|
||||
#undef _UNBUF_STREAM_OPT
|
||||
|
||||
@BOTTOM@
|
||||
/*
|
||||
* Iconv encodings enabled ("to" direction)
|
||||
|
||||
24
newlib/configure
vendored
24
newlib/configure
vendored
@ -793,6 +793,7 @@ enable_newlib_fvwrite_in_streamio
|
||||
enable_newlib_fseek_optimization
|
||||
enable_newlib_wide_orient
|
||||
enable_newlib_nano_malloc
|
||||
enable_newlib_unbuf_stream_opt
|
||||
enable_multilib
|
||||
enable_target_optspace
|
||||
enable_malloc_debugging
|
||||
@ -1460,6 +1461,7 @@ Optional Features:
|
||||
--disable-newlib-fseek-optimization disable fseek optimization
|
||||
--disable-newlib-wide-orient Turn off wide orientation in streamio
|
||||
--enable-newlib-nano-malloc use small-footprint nano-malloc implementation
|
||||
--disable-newlib-unbuf-stream-opt disable unbuffered stream optimization in streamio
|
||||
--enable-multilib build many library versions (default)
|
||||
--enable-target-optspace optimize for space
|
||||
--enable-malloc-debugging indicate malloc debugging requested
|
||||
@ -2410,6 +2412,19 @@ else
|
||||
newlib_nano_malloc=no
|
||||
fi
|
||||
|
||||
# Check whether --enable-newlib-unbuf-stream-opt was given.
|
||||
if test "${enable_newlib_unbuf_stream_opt+set}" = set; then :
|
||||
enableval=$enable_newlib_unbuf_stream_opt; if test "${newlib_unbuf_stream_opt+set}" != set; then
|
||||
case "${enableval}" in
|
||||
yes) newlib_unbuf_stream_opt=yes ;;
|
||||
no) newlib_unbuf_stream_opt=no ;;
|
||||
*) as_fn_error $? "bad value ${enableval} for newlib-unbuf-stream-opt option" "$LINENO" 5 ;;
|
||||
esac
|
||||
fi
|
||||
else
|
||||
newlib_unbuf_stream_opt=yes
|
||||
fi
|
||||
|
||||
|
||||
# Make sure we can run config.sub.
|
||||
$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
|
||||
@ -12314,7 +12329,14 @@ fi
|
||||
|
||||
if test "${newlib_nano_malloc}" = "yes"; then
|
||||
cat >>confdefs.h <<_ACEOF
|
||||
#define NEWLIB_NANO_MALLOC 1
|
||||
#define _NANO_MALLOC 1
|
||||
_ACEOF
|
||||
|
||||
fi
|
||||
|
||||
if test "${newlib_unbuf_stream_opt}" = "yes"; then
|
||||
cat >>confdefs.h <<_ACEOF
|
||||
#define _UNBUF_STREAM_OPT 1
|
||||
_ACEOF
|
||||
|
||||
fi
|
||||
|
||||
@ -170,6 +170,17 @@ AC_ARG_ENABLE(newlib-nano-malloc,
|
||||
esac
|
||||
fi], [newlib_nano_malloc=no])dnl
|
||||
|
||||
dnl Support --disable-newlib-unbuf-stream-opt
|
||||
AC_ARG_ENABLE(newlib-unbuf-stream-opt,
|
||||
[ --disable-newlib-unbuf-stream-opt disable unbuffered stream optimization in streamio],
|
||||
[if test "${newlib_unbuf_stream_opt+set}" != set; then
|
||||
case "${enableval}" in
|
||||
yes) newlib_unbuf_stream_opt=yes ;;
|
||||
no) newlib_unbuf_stream_opt=no ;;
|
||||
*) AC_MSG_ERROR(bad value ${enableval} for newlib-unbuf-stream-opt option) ;;
|
||||
esac
|
||||
fi], [newlib_unbuf_stream_opt=yes])dnl
|
||||
|
||||
NEWLIB_CONFIGURE(.)
|
||||
|
||||
dnl We have to enable libtool after NEWLIB_CONFIGURE because if we try and
|
||||
@ -375,6 +386,10 @@ if test "${newlib_nano_malloc}" = "yes"; then
|
||||
AC_DEFINE_UNQUOTED(_NANO_MALLOC)
|
||||
fi
|
||||
|
||||
if test "${newlib_unbuf_stream_opt}" = "yes"; then
|
||||
AC_DEFINE_UNQUOTED(_UNBUF_STREAM_OPT)
|
||||
fi
|
||||
|
||||
dnl
|
||||
dnl Parse --enable-newlib-iconv-encodings option argument
|
||||
dnl
|
||||
|
||||
@ -447,6 +447,7 @@ int __sfputs_r (struct _reent *, FILE *, _CONST char *buf, size_t);
|
||||
int __sprint_r (struct _reent *, FILE *, register struct __suio *);
|
||||
#endif /* !INTEGER_ONLY */
|
||||
|
||||
#ifdef _UNBUF_STREAM_OPT
|
||||
/*
|
||||
* Helper function for `fprintf to unbuffered unix file': creates a
|
||||
* temporary buffer. We only work on write-only files; this avoids
|
||||
@ -492,6 +493,7 @@ _DEFUN(__sbprintf, (rptr, fp, fmt, ap),
|
||||
#endif
|
||||
return (ret);
|
||||
}
|
||||
#endif /* _UNBUF_STREAM_OPT */
|
||||
#endif /* !STRING_ONLY */
|
||||
|
||||
|
||||
@ -865,12 +867,14 @@ _DEFUN(_VFPRINTF_R, (data, fp, fmt0, ap),
|
||||
return (EOF);
|
||||
}
|
||||
|
||||
#ifdef _UNBUF_STREAM_OPT
|
||||
/* optimise fprintf(stderr) (and other unbuffered Unix files) */
|
||||
if ((fp->_flags & (__SNBF|__SWR|__SRW)) == (__SNBF|__SWR) &&
|
||||
fp->_file >= 0) {
|
||||
_newlib_flockfile_exit (fp);
|
||||
return (__sbprintf (data, fp, fmt0, ap));
|
||||
}
|
||||
#endif
|
||||
#else /* STRING_ONLY */
|
||||
/* Create initial buffer if we are called by asprintf family. */
|
||||
if (fp->_flags & __SMBF && !fp->_bf._base)
|
||||
|
||||
@ -166,6 +166,7 @@ int _EXFUN(__SPRINT, (struct _reent *, FILE *, register struct __suio *));
|
||||
int _EXFUN(__SPRINT, (struct _reent *, FILE *, _CONST char *, size_t));
|
||||
#endif
|
||||
#ifndef STRING_ONLY
|
||||
#ifdef _UNBUF_STREAM_OPT
|
||||
/*
|
||||
* Helper function for `fprintf to unbuffered unix file': creates a
|
||||
* temporary buffer. We only work on write-only files; this avoids
|
||||
@ -209,6 +210,7 @@ _DEFUN(__sbwprintf, (rptr, fp, fmt, ap),
|
||||
#endif
|
||||
return (ret);
|
||||
}
|
||||
#endif /* _UNBUF_STREAM_OPT */
|
||||
#endif /* !STRING_ONLY */
|
||||
|
||||
|
||||
@ -599,12 +601,14 @@ _DEFUN(_VFWPRINTF_R, (data, fp, fmt0, ap),
|
||||
return (EOF);
|
||||
}
|
||||
|
||||
#ifdef _UNBUF_STREAM_OPT
|
||||
/* optimise fwprintf(stderr) (and other unbuffered Unix files) */
|
||||
if ((fp->_flags & (__SNBF|__SWR|__SRW)) == (__SNBF|__SWR) &&
|
||||
fp->_file >= 0) {
|
||||
_newlib_flockfile_exit (fp);
|
||||
return (__sbwprintf (data, fp, fmt0, ap));
|
||||
}
|
||||
#endif
|
||||
#else /* STRING_ONLY */
|
||||
/* Create initial buffer if we are called by asprintf family. */
|
||||
if (fp->_flags & __SMBF && !fp->_bf._base)
|
||||
|
||||
@ -67,6 +67,9 @@
|
||||
/* Define if wide char orientation is supported. */
|
||||
#undef _WIDE_ORIENT
|
||||
|
||||
/* Define if unbuffered stream file optimization is supported. */
|
||||
#undef _UNBUF_STREAM_OPT
|
||||
|
||||
/*
|
||||
* Iconv encodings enabled ("to" direction)
|
||||
*/
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user