nerdcruft/libcruft-util
1
0
Fork 0
Code Issues Releases Activity

posix/fd: double check the user has specified binary mode

Browse Source
This commit is contained in:
Danny Robson 2018-08-27 14:17:50 +10:00
parent e7cdb1322a
commit 8c05cf2e1c
2 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
posix/fd.cpp
View File

@ -27,7 +27,14 @@ fd::fd (const std::experimental::filesystem::path &path, int flags):
//-----------------------------------------------------------------------------
fd::fd (const std::experimental::filesystem::path &path, int flags, mode_t mode):
m_fd (error::try_value (::open (path.u8string ().c_str (), flags, mode)))
{ ; }
{
// You always want binary mode. Always.
//
// But we want the user to have considered this platform issue regardless
// so we won't forcibly set the flag, but we will abort the program when
// debugging if they've failed to do so.
CHECK_EQ (flags & O_BINARY, O_BINARY);
}
///////////////////////////////////////////////////////////////////////////////

3
posix/fd.hpp
View File

@ -23,6 +23,9 @@ namespace cruft::posix {
class fd {
public:
///////////////////////////////////////////////////////////////////////
// If you are using a system which delineates between binary/text mode
// for descriptors the behaviour is undefined if you don't set the
// necessary flags for binary mode.
fd (const std::experimental::filesystem::path &path, int flags);
fd (const std::experimental::filesystem::path &path, int flags, mode_t);