52 lines
1.0 KiB
C++
52 lines
1.0 KiB
C++
|
//===----------------------------------------------------------------------===//
|
|||
|
//
|
|||
|
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
|
|||
|
//
|
|||
|
// This file is distributed under the University of Illinois Open Source
|
|||
|
// License. See LICENSE.TXT for details.
|
|||
|
//
|
|||
|
//===----------------------------------------------------------------------===//
|
|||
|
|
|||
|
// <strstream>
|
|||
|
|
|||
|
// class strstreambuf
|
|||
|
|
|||
|
// strstreambuf(void* (*palloc_arg)(size_t), void (*pfree_arg)(void*));
|
|||
|
|
|||
|
#include <strstream>
|
|||
|
#include <cassert>
|
|||
|
|
|||
|
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);
|
|||
|
}
|