JehanneOS/newlib
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2013-04-10 Bin Cheng <bin.cheng@arm.com>

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* 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.
This commit is contained in:
Jeff Johnston
2013-04-10 18:47:46 +00:00
parent b49dae4a44
commit 602cec7f1e
9 changed files with 70 additions and 2 deletions
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3
newlib/libc/stdio64/fseeko64.c
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@ -209,6 +209,8 @@ _DEFUN (_fseeko64_r, (ptr, fp, offset, whence),
if (fp->_bf._base == NULL)
__smakebuf_r (ptr, fp);
#if _FSEEK_OPTIMIZATION
if (fp->_flags & (__SWR | __SRW | __SNBF | __SNPT))
goto dumb;
if ((fp->_flags & __SOPT) == 0)
@ -330,6 +332,7 @@ _DEFUN (_fseeko64_r, (ptr, fp, offset, whence),
* We get here if we cannot optimise the seek ... just
* do it. Allow the seek function to change fp->_bf._base.
*/
#endif
dumb:
if (_fflush_r (ptr, fp)