Added a function to check if specific OS features are available

linux.c, macos.c, windows.c now contain
subsurface_os_feature_available() that can accept an enum type
os_feature_t defined in dive.h.

The function can be useful to check if a specific global feature
is available on a certain OS version.

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/linux.c b/linux.c
index c11bc2f0c..b32bde8c1 100644
--- a/linux.c
+++ b/linux.c
@@ -112,3 +112,8 @@ void subsurface_command_line_exit(gint *argc, gchar ***argv)
 {
 	/* this is a no-op */
 }
+
+gboolean subsurface_os_feature_available(os_feature_t f)
+{
+	return TRUE;
+}