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

diff --git a/lib/sys_ioctl.in.h b/lib/sys_ioctl.in.h
index 7a87eea..8b0e236 100644 (file)
--- a/lib/sys_ioctl.in.h
+++ b/lib/sys_ioctl.in.h
@@ -36,36 +36,41 @@
 # include <unistd.h>
 #endif
 
-/* The definition of GL_LINK_WARNING is copied here.  */
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
 
+/* The definition of _GL_WARN_ON_USE is copied here.  */
 
-/* Declare overridden functions.  */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
 
+/* Declare overridden functions.  */
 
 #if @GNULIB_IOCTL@
-# if @SYS_IOCTL_H_HAVE_WINSOCK2_H@
-#  undef ioctl
-#  define ioctl rpl_ioctl
-extern int ioctl (int fd, int request, ... /* {void *,char *} arg */);
+# if @REPLACE_IOCTL@
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef ioctl
+#   define ioctl rpl_ioctl
+#  endif
+_GL_FUNCDECL_RPL (ioctl, int,
+                  (int fd, int request, ... /* {void *,char *} arg */));
+_GL_CXXALIAS_RPL (ioctl, int,
+                  (int fd, int request, ... /* {void *,char *} arg */));
+# else
+#  if @SYS_IOCTL_H_HAVE_WINSOCK2_H@ || 1
+_GL_FUNCDECL_SYS (ioctl, int,
+                  (int fd, int request, ... /* {void *,char *} arg */));
+#  endif
+_GL_CXXALIAS_SYS (ioctl, int,
+                  (int fd, int request, ... /* {void *,char *} arg */));
 # endif
+_GL_CXXALIASWARN (ioctl);
 #elif @SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@
 # undef ioctl
 # define ioctl ioctl_used_without_requesting_gnulib_module_ioctl
 #elif defined GNULIB_POSIXCHECK
 # undef ioctl
-# define ioctl \
-    (GL_LINK_WARNING ("ioctl does not portably work on sockets - " \
-                      "use gnulib module ioctl for portability"), \
-     ioctl)
-#endif
-
-
-#ifdef __cplusplus
-}
+# if HAVE_RAW_DECL_IOCTL
+_GL_WARN_ON_USE (ioctl, "ioctl does not portably work on sockets - "
+                 "use gnulib module ioctl for portability");
+# endif
 #endif