diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2013-06-19 19:58:50 +0400 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2013-06-19 19:58:50 +0400 |
| commit | 82c19d335abd0ee957ad5c3167755a545521504a (patch) | |
| tree | 6f334addf726d1047c0130a107ab1dcf75e1890b /newlib/libc | |
| parent | 04f8f69cb711ae5ec609eda786b64bb0726fd5b4 (diff) | |
* 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')
| -rw-r--r-- | newlib/libc/stdio/vfprintf.c | 4 | ||||
| -rw-r--r-- | newlib/libc/stdio/vfwprintf.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/newlib/libc/stdio/vfprintf.c b/newlib/libc/stdio/vfprintf.c index e5fcb0331..dd9c22a6d 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) diff --git a/newlib/libc/stdio/vfwprintf.c b/newlib/libc/stdio/vfwprintf.c index 5860147ec..4788add23 100644 --- a/newlib/libc/stdio/vfwprintf.c +++ b/newlib/libc/stdio/vfwprintf.c @@ -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) |