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Fix Mingw support

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If the ``_POSIX_`` flag is set, _fdopen will not be defined by
Mingw headers, which is addressed by this commit.

For what is worth, as opposed to ``fdopen``, ``_pipe`` *will*
actually have the ``_`` prefix when ``_POSIX_`` is set.
This commit is contained in:
Lucian Petrut 2020-05-22 07:18:50 +00:00 committed by Victor Zverovich
parent 1a716caf5d
commit 51bf9cfacb
2 changed files with 5 additions and 1 deletions
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2
include/fmt/os.h
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@ -50,7 +50,7 @@
#ifdef FMT_SYSTEM
# define FMT_POSIX_CALL(call) FMT_SYSTEM(call)
#else
# define FMT_SYSTEM(call) call
# define FMT_SYSTEM(call) ::call
# ifdef _WIN32
// Fix warnings about deprecated symbols.
# define FMT_POSIX_CALL(call) ::_##call

4
src/os.cc
View File

@ -289,7 +289,11 @@ void file::pipe(file& read_end, file& write_end) {
buffered_file file::fdopen(const char* mode) {
// Don't retry as fdopen doesn't return EINTR.
#if defined(__MINGW32__) && defined(_POSIX_)
FILE* f = ::fdopen(fd_, mode);
#else
FILE* f = FMT_POSIX_CALL(fdopen(fd_, mode));
#endif
if (!f)
FMT_THROW(
system_error(errno, "cannot associate stream with file descriptor"));