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| author | Corinna Vinschen <corinna@vinschen.de> | 2013-06-19 15:58:50 +0000 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2013-06-19 15:58:50 +0000 |
| commit | 82c19d335abd0ee957ad5c3167755a545521504a (patch) | |
| tree | 6f334addf726d1047c0130a107ab1dcf75e1890b /newlib/libc/stdio/vfprintf.c | |
| parent | 04f8f69cb711ae5ec609eda786b64bb0726fd5b4 (diff) | |
| download | newlib-82c19d335abd0ee957ad5c3167755a545521504a.zip newlib-82c19d335abd0ee957ad5c3167755a545521504a.tar.gz newlib-82c19d335abd0ee957ad5c3167755a545521504a.tar.bz2 | |
* 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.
Diffstat (limited to 'newlib/libc/stdio/vfprintf.c')
| -rw-r--r-- | newlib/libc/stdio/vfprintf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/newlib/libc/stdio/vfprintf.c b/newlib/libc/stdio/vfprintf.c index e5fcb03..dd9c22a 100644 --- a/newlib/libc/stdio/vfprintf.c +++ b/newlib/libc/stdio/vfprintf.c @@ -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) |