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| author | Howard Hinnant <hhinnant@apple.com> | 2013-01-15 17:22:03 +0000 |
|---|---|---|
| committer | Howard Hinnant <hhinnant@apple.com> | 2013-01-15 17:22:03 +0000 |
| commit | 3d7eb2f80653d8b84760adf96281203ca41c7a88 (patch) | |
| tree | 982bd8213e21d0c9005bab98300b6a2107efd695 /libcxx/include | |
| parent | 701d2b861e4db4123a9a4e2f1bb07b66a6a8753d (diff) | |
| download | bcm5719-llvm-3d7eb2f80653d8b84760adf96281203ca41c7a88.tar.gz bcm5719-llvm-3d7eb2f80653d8b84760adf96281203ca41c7a88.zip | |
Optimize basic_ostream::write by having it call sputn instead of sputc.
llvm-svn: 172542
Diffstat (limited to 'libcxx/include')
| -rw-r--r-- | libcxx/include/ostream | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/libcxx/include/ostream b/libcxx/include/ostream index 9d26a41e829..b3b6df573d0 100644 --- a/libcxx/include/ostream +++ b/libcxx/include/ostream @@ -1100,17 +1100,8 @@ basic_ostream<_CharT, _Traits>::write(const char_type* __s, streamsize __n) sentry __sen(*this); if (__sen && __n) { - typedef ostreambuf_iterator<_CharT, _Traits> _Op; - _Op __o(*this); - for (; __n; --__n, ++__o, ++__s) - { - *__o = *__s; - if (__o.failed()) - { - this->setstate(ios_base::badbit); - break; - } - } + if (this->rdbuf()->sputn(__s, __n) != __n) + this->setstate(ios_base::badbit); } #ifndef _LIBCPP_NO_EXCEPTIONS } |
