//===----------------------------------------------------------------------===// // // ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // class strstreambuf // strstreambuf(void* (*palloc_arg)(size_t), void (*pfree_arg)(void*)); #include #include int called = 0; void* my_alloc(std::size_t n) { static char buf[10000]; ++called; return buf; } void my_free(void*) { ++called; } struct test : std::strstreambuf { test(void* (*palloc_arg)(size_t), void (*pfree_arg)(void*)) : std::strstreambuf(palloc_arg, pfree_arg) {} virtual int_type overflow(int_type c) {return std::strstreambuf::overflow(c);} }; int main() { { test s(my_alloc, my_free); assert(called == 0); s.overflow('a'); assert(called == 1); } assert(called == 2); }