+ // MSVC and compatible compilers prepend underscores to the POSIX function
+ // names, other compilers don't and even if their later versions usually do
+ // define the versions with underscores for MSVC compatibility, it's better
+ // to avoid using them as they're not present in earlier versions and
+ // always using the native functions spelling is easier than testing for
+ // the versions
+ #if defined(__BORLANDC__) || defined(__DMC__) || defined(__WATCOMC__) || defined(__MINGW64__)
+ #define wxPOSIX_IDENT(func) ::func
+ #else // by default assume MSVC-compatible names
+ #define wxPOSIX_IDENT(func) _ ## func
+ #define wxHAS_UNDERSCORES_IN_POSIX_IDENTS
+ #endif
+
+ // at least Borland 5.5 doesn't like "struct ::stat" so don't use the scope
+ // resolution operator present in wxPOSIX_IDENT for it
+ #ifdef __BORLANDC__
+ #define wxPOSIX_STRUCT(s) struct s
+ #else
+ #define wxPOSIX_STRUCT(s) struct wxPOSIX_IDENT(s)
+ #endif
+
+ // first functions not working with strings, i.e. without ANSI/Unicode
+ // complications
+ #define wxClose wxPOSIX_IDENT(close)
+
+ #if defined(__MWERKS__)
+ #if __MSL__ >= 0x6000
+ #define wxRead(fd, buf, nCount) _read(fd, (void *)buf, nCount)
+ #define wxWrite(fd, buf, nCount) _write(fd, (void *)buf, nCount)
+ #else
+ #define wxRead(fd, buf, nCount)\
+ _read(fd, (const char *)buf, nCount)
+ #define wxWrite(fd, buf, nCount)\
+ _write(fd, (const char *)buf, nCount)
+ #endif
+ #else // __MWERKS__
+ #define wxRead wxPOSIX_IDENT(read)
+ #define wxWrite wxPOSIX_IDENT(write)
+ #endif
+
+ #ifdef wxHAS_HUGE_FILES
+ #ifndef __MINGW64__
+ #define wxSeek wxPOSIX_IDENT(lseeki64)
+ #define wxLseek wxPOSIX_IDENT(lseeki64)
+ #define wxTell wxPOSIX_IDENT(telli64)
+ #else
+ // unfortunately, mingw-W64 is somewhat inconsistent...
+ #define wxSeek _lseeki64
+ #define wxLseek _lseeki64
+ #define wxTell _telli64
+ #endif
+ #else // !wxHAS_HUGE_FILES
+ #define wxSeek wxPOSIX_IDENT(lseek)
+ #define wxLseek wxPOSIX_IDENT(lseek)
+ #define wxTell wxPOSIX_IDENT(tell)
+ #endif // wxHAS_HUGE_FILES/!wxHAS_HUGE_FILES
+
+ #ifndef __WATCOMC__
+ #if !defined(__BORLANDC__) || (__BORLANDC__ > 0x540)
+ // NB: this one is not POSIX and always has the underscore
+ #define wxFsync _commit
+
+ // could be already defined by configure (Cygwin)
+ #ifndef HAVE_FSYNC
+ #define HAVE_FSYNC
+ #endif
+ #endif // BORLANDC
+ #endif