https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100376
Bug ID: 100376
Summary: __gnu_cxx::stdio_filebuf does not work correctly on
windows
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: unlvsur at live dot com
Target Milestone: ---
fast_io::posix_file pf("a.txt",fast_io::open_mode::out);
println(pf.fd);
__gnu_cxx::stdio_filebuf<char> sb(pf.release(),std::ios::out);//pf.release()
returns file descriptor and release it
println(sb.fd());//this is wierd
//output:
3
0
Same program running on Linux
//output:
3
3
Same test for FILE*
fast_io::c_file cf("a.txt",fast_io::open_mode::out);
println(cf.fp);
__gnu_cxx::stdio_filebuf<char> sb(cf.fp,std::ios::out);
println(sb.file());//this is weird
//output1:
0x00007ffc035dfa90
0x00000236101e0700
//output2:
0x00007ffc035dfa90
0x0000020ce4bb0700
Same program running on Linux
0x00000000017502a0
0x00000000017502a0
