Are you sure this affects 4.1.3? I couldn't reproduce the abort with it.
Martin Farid Zaripov (JIRA) wrote:
basic_stringbuf<>::str() deallocating external buffer ----------------------------------------------------- Key: STDCXX-514 URL: https://issues.apache.org/jira/browse/STDCXX-514 Project: C++ Standard Library Issue Type: Bug Components: 27. Input/Output Affects Versions: 4.1.3 Environment: All Reporter: Farid Zaripov Assignee: Farid Zaripov Fix For: 4.2 The program below aborts due to deallocating the external buffer extbuf. test.cpp: ------------------ #include <sstream> // for stringbuf #include <memory> // for allocator #include <cassert> // for assert() struct MyAlloc : std::allocator <char> { static char __buf [512]; static size_type __used_n; pointer allocate (size_type __n, std::allocator<void>::const_pointer = 0) { assert (!__used_n); assert (sizeof (__buf) >= __n * sizeof (value_type)); __used_n = __n; return __buf; } void deallocate (pointer __p, size_type __n) { if (__p) { assert (__buf == __p); assert (__used_n == __n); __used_n = 0; } } }; MyAlloc::size_type MyAlloc::__used_n = 0; char MyAlloc::__buf [512]; int main () { char extbuf [3]; std::basic_stringbuf <char, std::char_traits <char>, MyAlloc> sbuf; sbuf.pubsetbuf (extbuf, sizeof (extbuf));// stdcxx extension used: basic_stringbuf::str (const char*, size_t)sbuf.str ("abcdef", 6); return 0; } ------------------ The test output: ------------------ test: test.cpp:21: void MyAlloc::deallocate(char*, unsigned int): Assertion `__buf == __p' failed. Aborted ------------------
