1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
// { dg-options "-fno-inline" }
// { dg-do run { target c++26 } }
// { dg-add-options no_pch }
// { dg-additional-files "filebuf_members-1.txt" }
#include <fstream>
#ifndef __cpp_lib_fstream_native_handle
# error "Feature-test macro for fstream_native_handle missing in <fstream>"
#elif __cpp_lib_fstream_native_handle != 202306L
# error "Feature-test macro for fstream_native_handle has wrong value in <fstream>"
#endif
using type = std::basic_filebuf<char>::native_handle_type;
#include <cstdio> // std::fclose(FILE*)
#if __has_include(<unistd.h>)
# include <unistd.h> // close(int)
#endif
#if __has_include(<io.h>)
# include <io.h> // _open_osfhandle
# include <fcntl.h> // _O_RDONLY, _O_TEXT
#endif
#include <testsuite_hooks.h>
void
test01()
{
std::filebuf f;
f.open("filebuf_members-1.txt", std::ios::in);
type handle = f.native_handle();
auto native_close = []<typename HandleT>(HandleT handle) {
if constexpr (std::is_same_v<HandleT, std::FILE*>)
std::fclose(handle); // --enable-cstdio=stdio_pure
#if __has_include(<unistd.h>)
else if constexpr (std::is_same_v<HandleT, int>)
::close(handle); // POSIX
#endif
#if __has_include(<handleapi.h>)
else if constexpr (std::is_same_v<HandleT, void*>) // Windows
::_close(::_open_osfhandle((intptr_t)handle, _O_RDONLY|_O_TEXT));
#endif
else
VERIFY( false );
};
native_close(handle);
try
{
f.sgetc();
VERIFY( false );
}
catch (const std::ios::failure&)
{
}
}
int main()
{
test01();
}
|
