diff options
Diffstat (limited to 'lib/libc/stdio/fflush.c')
| -rw-r--r-- | lib/libc/stdio/fflush.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/lib/libc/stdio/fflush.c b/lib/libc/stdio/fflush.c index c658fbec697d..af2164ab3be2 100644 --- a/lib/libc/stdio/fflush.c +++ b/lib/libc/stdio/fflush.c @@ -102,8 +102,8 @@ __weak_reference(__fflush, fflush_unlocked); int __sflush(FILE *fp) { - unsigned char *p, *old_p; - int n, f, t, old_w; + unsigned char *p; + int n, f, t; f = fp->_flags; if ((f & __SWR) == 0) @@ -118,26 +118,19 @@ __sflush(FILE *fp) * Set these immediately to avoid problems with longjmp and to allow * exchange buffering (via setvbuf) in user write function. */ - old_p = fp->_p; fp->_p = p; - old_w = fp->_w; fp->_w = f & (__SLBF|__SNBF) ? 0 : fp->_bf._size; for (; n > 0; n -= t, p += t) { t = _swrite(fp, (char *)p, n); if (t <= 0) { - /* Reset _p and _w. */ - if (p > fp->_p) { + if (p > fp->_p) /* Some was written. */ memmove(fp->_p, p, n); - fp->_p += n; - if ((fp->_flags & (__SLBF | __SNBF)) == 0) - fp->_w -= n; - /* conditional to handle setvbuf */ - } else if (p == fp->_p && errno == EINTR) { - fp->_p = old_p; - fp->_w = old_w; - } + /* Reset _p and _w. */ + fp->_p += n; + if ((fp->_flags & __SNBF) == 0) + fp->_w -= n; fp->_flags |= __SERR; return (EOF); } |