valter/dosbox-staging
1
0
Fork 0
Code Releases Activity

Use _fileno only with MSVC compiler

Browse source 
Function fileno is available in POSIX environment out of the box. On
non-POSIX platforms, it might be missing in some cases when compiling
with -std=c++11, as it's outside of strict ANSI compatibility.
This commit is contained in:
Patryk Obara 2020-02-29 22:30:38 +01:00 • committed by Patryk Obara
parent 9fc21dc294
commit c155400979
1 changed files with 7 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

13
include/cross.h
View file

@ -58,12 +58,13 @@
#define ftruncate(blah,blah2) chsize(blah,blah2)
#endif
// fileno is a POSIX function (not mentioned in ISO/C++), which means old
// versions of various Windows compilers (old MSVC or old MinGW) might be
// missing it when using C++11; New MSVC issues "deprecation" warning when
// fileno is used and recommends using (platform-specific) _fileno.
// Provide our own redefines to avoid this mess.
#if defined(WIN32)
// fileno is a POSIX function (not mentioned in ISO/C++), which means it might
// be missing when when using C++11 with strict ANSI compatibility.
// New MSVC issues "deprecation" warning when fileno is used and recommends
// using (platform-specific) _fileno. On other platforms we can use fileno
// because it's either a POSIX-compliant system, or the function is available
// when compiling with GNU extensions.
#if defined (_MSC_VER)
#define cross_fileno(s) _fileno(s)
#else
#define cross_fileno(s) fileno(s)