Large File Support for native Windows platforms.

[gnulib.git] / lib / unistd.in.h

diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index 9949df5..7246d02 100644 (file)
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -107,8 +107,9 @@
 # include <netdb.h>
 #endif
 
-/* MSVC defines off_t in <sys/types.h>.  */
-#if !@HAVE_UNISTD_H@
+/* MSVC defines off_t in <sys/types.h>.
+   May also define off_t to a 64-bit type on native Windows.  */
+#if !@HAVE_UNISTD_H@ || @WINDOWS_64_BIT_OFF_T@
 /* Get off_t.  */
 # include <sys/types.h>
 #endif
@@ -562,10 +563,19 @@ _GL_WARN_ON_USE (fsync, "fsync is unportable - "
    Return 0 if successful, otherwise -1 and errno set.
    See the POSIX:2008 specification
    <http://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html>.  */
-# if !@HAVE_FTRUNCATE@
+# if @REPLACE_FTRUNCATE@
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef ftruncate
+#   define ftruncate rpl_ftruncate
+#  endif
+_GL_FUNCDECL_RPL (ftruncate, int, (int fd, off_t length));
+_GL_CXXALIAS_RPL (ftruncate, int, (int fd, off_t length));
+# else
+#  if !@HAVE_FTRUNCATE@
 _GL_FUNCDECL_SYS (ftruncate, int, (int fd, off_t length));
-# endif
+#  endif
 _GL_CXXALIAS_SYS (ftruncate, int, (int fd, off_t length));
+# endif
 _GL_CXXALIASWARN (ftruncate);
 #elif defined GNULIB_POSIXCHECK
 # undef ftruncate