93 lines
2.1 KiB
Markdown
93 lines
2.1 KiB
Markdown
[streambuf.cons]
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# 31 Input/output library [[input.output]](./#input.output)
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## 31.6 Stream buffers [[stream.buffers]](stream.buffers#streambuf.cons)
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### 31.6.3 Class template basic_streambuf [[streambuf]](streambuf#cons)
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#### 31.6.3.2 Constructors [streambuf.cons]
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[ð](#lib:basic_streambuf,constructor)
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`basic_streambuf();
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3112)
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*Effects*: Initializes:[266](#footnote-266 "The default constructor is protected for class basic_streambuf to assure that only objects for classes derived from this class can be constructed.")
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- [(1.1)](#1.1)
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all pointer member objects to null pointers,
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- [(1.2)](#1.2)
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thegetloc() member to a copy of the global locale,locale(),
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at the time of construction[.](#1.sentence-1)
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3132)
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*Remarks*: Once thegetloc() member is initialized, results of calling locale member functions,
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and of members of facets so obtained, can safely be cached until the
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next time the memberimbue is called[.](#2.sentence-1)
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[ð](#lib:basic_streambuf,constructor_)
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`basic_streambuf(const basic_streambuf& rhs);
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`
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3149)
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*Postconditions*:
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- [(3.1)](#3.1)
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eback() == rhs.eback()
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- [(3.2)](#3.2)
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gptr() == rhs.gptr()
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- [(3.3)](#3.3)
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egptr() == rhs.egptr()
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- [(3.4)](#3.4)
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pbase() == rhs.pbase()
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- [(3.5)](#3.5)
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pptr() == rhs.pptr()
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- [(3.6)](#3.6)
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epptr() == rhs.epptr()
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- [(3.7)](#3.7)
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getloc() == rhs.getloc()
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[ð](#lib:basic_streambuf,destructor)
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`~basic_streambuf();
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`
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[4](#4)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3168)
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*Effects*: None[.](#4.sentence-1)
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[266)](#footnote-266)[266)](#footnoteref-266)
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The default constructor is protected for classbasic_streambuf to assure that only objects for classes
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derived from this class can be constructed[.](#footnote-266.sentence-1)
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