2003-02-18 Paolo Carlini <pcarlini@unitus.it>
+ * include/std/std_sstream.h (str()): the size of the
+ current string may be different from the initial one
+ whenever _M_out_end > _M_out_beg.
+ * testsuite/27_io/stringbuf_members.cc (test07): Add.
+
+2003-02-18 Paolo Carlini <pcarlini@unitus.it>
+
PR libstdc++/9582
* include/bits/stl_alloc.h (__pool_alloc::allocate): Remove assert.
// _M_string, and may not be the correct size of the
// current stringbuf internal buffer.
__size_type __len = _M_string.size();
- if (this->_M_out_cur > this->_M_out_beg)
+ if (this->_M_out_end > this->_M_out_beg)
__len = std::max(__size_type(this->_M_out_end
- this->_M_out_beg), __len);
return __string_type(this->_M_out_beg, this->_M_out_beg + __len);
// 981208 bkoz test functionality of basic_stringbuf for char_type == char
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
return test;
}
+// http://gcc.gnu.org/ml/libstdc++/2003-02/msg00269.html
+// Growing and then seeking to ios_base::beg triggered a bug in str(),
+// which didn't notice the grow.
+bool test07()
+{
+ bool test = true;
+
+ std::stringbuf strb_01;
+ strb_01.sputc('s');
+ strb_01.pubseekoff(0, std::ios_base::beg);
+ VERIFY( strb_01.str() == "s" );
+
+ std::string str("strivi,");
+ std::stringbuf strb_02(str);
+ strb_02.pubseekoff(0, std::ios_base::end);
+ strb_02.sputn(" no better!", 11);
+ strb_02.pubseekoff(0, std::ios_base::beg);
+ VERIFY( strb_02.str() == "strivi, no better!" );
+
+#ifdef DEBUG_ASSERT
+ assert(test);
+#endif
+
+ return test;
+}
+
int main()
{
test01();
test04();
test05();
test06();
+ test07();
return 0;
}