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2003-04-18 Paolo Carlini <pcarlini@unitus.it> According to 5.9 para 2 (second bullet) for pointers p, q pointing to the same type, with p == 0 and q == 0, (p < q) is false. * include/bits/fstream.tcc (close, overflow, _M_really_overflow, seekoff): Remove redundant NULL pointer checks from tests involving _M_out_* and _M_in_*, const qualify bool variables. (showmanyc, pbackfail, _M_convert_to_external, imbue): Const qualify bool variables. * include/bits/streambuf.tcc (sbumpc, sputbackc, sungetc, sputc): Remove redundant NULL pointer checks from tests involving _M_out_* and _M_in_*, const qualify bool variables. * include/std/std_fstream.h (sync): Likewise. (_M_is_indeterminate): Const qualify bool variables. * include/std/std_streambuf.h (sgetc, uflow): Remove redundant NULL pointer checks from tests involving _M_out_* and _M_in_*, const qualify bool variables. (_M_in_cur_move, _M_out_cur_move, uflow): Const qualify bool variables. From-SVN: r65783
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