From 602cec7f1eb17b96525d09752fd1f0ad474e3202 Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Wed, 10 Apr 2013 18:47:46 +0000 Subject: 2013-04-10 Bin Cheng * acconfig.h (_FSEEK_OPTIMIZATION): Undef * newlib.hin (_FSEEK_OPTIMIZATION): Undef * configure.in (--disable-newlib-fseek-optimization): New option. * configure: Regenerated. * libc/stdio/fflush.c (__sflush_r): Use _FSEEK_OPTIMIZATION to control fseek optimization. * libc/stdio/fseeko.c (_fseeko_r): Ditto. * libc/stdio/makebuf.c (__smakebuf_r): Ditto. * libc/stdio64/fseeko64.c (_fseeko64_r): Ditto. --- newlib/libc/stdio/makebuf.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'newlib/libc/stdio/makebuf.c') diff --git a/newlib/libc/stdio/makebuf.c b/newlib/libc/stdio/makebuf.c index a3f47e2f7..349783ded 100644 --- a/newlib/libc/stdio/makebuf.c +++ b/newlib/libc/stdio/makebuf.c @@ -65,8 +65,10 @@ _DEFUN(__smakebuf_r, (ptr, fp), size = _DEFAULT_ASPRINTF_BUFSIZE; else size = BUFSIZ; +#ifdef _FSEEK_OPTIMIZATION /* do not try to optimise fseek() */ fp->_flags |= __SNPT; +#endif } else { @@ -76,6 +78,7 @@ _DEFUN(__smakebuf_r, (ptr, fp), #else size = BUFSIZ; #endif +#ifdef _FSEEK_OPTIMIZATION /* * Optimize fseek() only if it is a regular file. * (The test for __sseek is mainly paranoia.) @@ -91,6 +94,7 @@ _DEFUN(__smakebuf_r, (ptr, fp), } else fp->_flags |= __SNPT; +#endif } if ((p = _malloc_r (ptr, size)) == NULL) { -- cgit v1.2.3