Do only one call to GetVersionEx in the common case.

[pspp] / lib / openat-priv.h

diff --git a/lib/openat-priv.h b/lib/openat-priv.h
index 2280416292d29075914ca15ab20e8e202a7ee197..53016a14ecad0cdf287c88e2b8efc53d4c3f1760 100644 (file)
--- a/lib/openat-priv.h
+++ b/lib/openat-priv.h
@@ -17,6 +17,9 @@
 
 /* written by Jim Meyering */
 
+#ifndef _GL_HEADER_OPENAT_PRIV
+#define _GL_HEADER_OPENAT_PRIV
+
 #include <errno.h>
 #include <stdlib.h>
 
@@ -32,3 +35,10 @@ char *openat_proc_name (char buf[OPENAT_BUFFER_SIZE], int fd, char const *file);
    || (Errno) == EPERM || (Errno) == EACCES    \
    || (Errno) == ENOSYS /* Solaris 8 */                \
    || (Errno) == EOPNOTSUPP /* FreeBSD */)
+
+/* Wrapper function shared among linkat and renameat.  */
+int at_func2 (int fd1, char const *file1,
+             int fd2, char const *file2,
+             int (*func) (char const *file1, char const *file2));
+
+#endif /* _GL_HEADER_OPENAT_PRIV */