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290544 |
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08-Nov-2015 |
ache |
MFC: r289863,r289931,r290110,r290230,r290231,r290232
r290232:
Microoptimize.
r290231:
Addition to prev. commit. In some edge cases fp->_p can be changed in _sseek(), recalculate.
r290230:
Don't seek to the end if write buffer is empty (in append modes). PR: 204156
r290110:
Add _flags2 per jhb@ suggestion since no room left in _flags. Rewrite O_APPEND flag checking using new __S2OAP flag.
r289931:
According to POSIX, a write operation shall start at the current size of the stream (if mode had 'a' as the first character).
r289863:
Since no room left in the _flags, reuse __SALC for O_APPEND. It helps to remove _fcntl() call from _ftello() and optimize seek position calculation in _swrite().
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