libxtables: Add exit_error cb to xtables_globals

Introduce exit_error() as part of xtables_globals structure.
When an application registers its xtables_globals definition
and does not specify its exit_error() it gets assigned a
basic version

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: Patrick McHardy <kaber@trash.net>

1 files changed, 9 insertions, 8 deletions

diff --git a/include/xtables.h.in b/include/xtables.h.in
index 1d333942..3a166510 100644
--- a/include/xtables.h.in
+++ b/include/xtables.h.in
@@ -33,14 +33,6 @@
 
 struct in_addr;
 
-struct xtables_globals
-{
-	unsigned int option_offset;
-	char *program_version;
-	char *program_name;
-	struct option *opts;
-};
-
 /* Include file for additions: new matches and targets. */
 struct xtables_match
 {
@@ -191,6 +183,15 @@ enum xtables_exittype {
 	XTF_ONE_ACTION,
 };
 
+struct xtables_globals
+{
+	unsigned int option_offset;
+	char *program_version;
+	char *program_name;
+	struct option *opts;
+	void (*exit_error)(enum xtables_exittype status, const char *msg, ...);
+};
+
 extern const char *xtables_program_name;
 extern const char *xtables_modprobe_program;
 extern struct xtables_match *xtables_matches;