libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
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@@ -0,0 +1,49 @@
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//===----------------------------------------------------------------------===//
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//
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <fstream>
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// basic_filebuf<charT,traits>* open(const char* s, ios_base::openmode mode);
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#include <fstream>
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#include <cassert>
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int main()
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{
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{
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std::filebuf f;
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assert(f.open("test.dat", std::ios_base::out) != 0);
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assert(f.is_open());
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assert(f.sputn("123", 3) == 3);
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}
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{
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std::filebuf f;
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assert(f.open("test.dat", std::ios_base::in) != 0);
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assert(f.is_open());
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assert(f.sbumpc() == '1');
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assert(f.sbumpc() == '2');
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assert(f.sbumpc() == '3');
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}
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remove("test.dat");
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{
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std::wfilebuf f;
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assert(f.open("test.dat", std::ios_base::out) != 0);
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assert(f.is_open());
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assert(f.sputn(L"123", 3) == 3);
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}
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{
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std::wfilebuf f;
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assert(f.open("test.dat", std::ios_base::in) != 0);
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assert(f.is_open());
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assert(f.sbumpc() == L'1');
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assert(f.sbumpc() == L'2');
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assert(f.sbumpc() == L'3');
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}
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remove("test.dat");
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}
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