intel/llvm
1
0
Fork 0
mirror of https://github.com/intel/llvm.git synced 2026-01-13 19:08:21 +08:00
Code Issues Packages Projects Releases Wiki Activity

[libc++] Guard fileno() and isatty() usage correctly for Newlib. (#166668)

Browse Source 
Including unistd.h does not expose fileno() on Newlib.
This commit is contained in:
Chenguang Wang
2025-11-12 09:25:08 -08:00
committed by GitHub
parent ca72e8d0b7
commit a3058d5ccd
1 changed files with 9 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
libcxx/src/print.cpp
View File

@@ -22,6 +22,14 @@
# include <windows.h>
#elif __has_include(<unistd.h>)
# include <unistd.h>
# if defined(_NEWLIB_VERSION)
# if defined(_POSIX_C_SOURCE) && __has_include(<stdio.h>)
# include <stdio.h>
# define HAS_FILENO_AND_ISATTY
# endif
# else
# define HAS_FILENO_AND_ISATTY
# endif
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
@@ -56,7 +64,7 @@ __write_to_windows_console([[maybe_unused]] FILE* __stream, [[maybe_unused]] wst
}
# endif // _LIBCPP_HAS_WIDE_CHARACTERS
#elif __has_include(<unistd.h>) // !_LIBCPP_WIN32API
#elif defined(HAS_FILENO_AND_ISATTY) // !_LIBCPP_WIN32API
_LIBCPP_EXPORTED_FROM_ABI bool __is_posix_terminal(FILE* __stream) { return isatty(fileno(__stream)); }
#endif