From de286192b66cc16d51772fc716bff8e678376e0a Mon Sep 17 00:00:00 2001
From: Jason Ish <jason.ish@oisf.net>
Date: Wed, 23 Oct 2024 12:10:46 -0600
Subject: [PATCH] app-layer: extract out a simple function type to simple
 header

Extract a simple function function to a simple header with no circular
dependencies.

Next we'll use bindgen to generate Rust bindings for this function.

Ticket: #7341
---
 src/Makefile.am          | 1 +
 src/app-layer-ext.h      | 8 ++++++++
 src/app-layer-register.h | 3 ++-
 3 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 src/app-layer-ext.h

diff --git a/src/Makefile.am b/src/Makefile.am
index 6970d709f35c..d1ab3af75a83 100755
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -19,6 +19,7 @@ noinst_HEADERS = \
 	app-layer-dnp3-objects.h \
 	app-layer-events.h \
 	app-layer-expectation.h \
+	app-layer-ext.h \
 	app-layer-frames.h \
 	app-layer-ftp.h \
 	app-layer.h \
diff --git a/src/app-layer-ext.h b/src/app-layer-ext.h
new file mode 100644
index 000000000000..5eceb863e897
--- /dev/null
+++ b/src/app-layer-ext.h
@@ -0,0 +1,8 @@
+#ifndef SURICATA_APP_LAYER_EXT_H
+#define SURICATA_APP_LAYER_EXT_H
+
+#include <stdint.h>
+
+typedef int (*SCAppLayerStateGetProgressFn)(void *alstate, uint8_t direction);
+
+#endif /* SURICATA_APP_LAYER_EXT_H */
diff --git a/src/app-layer-register.h b/src/app-layer-register.h
index 78eff7d8e4ce..15e99707d3f7 100644
--- a/src/app-layer-register.h
+++ b/src/app-layer-register.h
@@ -25,6 +25,7 @@
 #define SURICATA_APP_LAYER_REGISTER_H
 
 #include "app-layer-detect-proto.h"
+#include "app-layer-ext.h"
 
 typedef struct AppLayerParser {
     const char *name;
@@ -49,7 +50,7 @@ typedef struct AppLayerParser {
 
     const int complete_ts;
     const int complete_tc;
-    int (*StateGetProgress)(void *alstate, uint8_t direction);
+    SCAppLayerStateGetProgressFn StateGetProgress;
 
     int (*StateGetEventInfo)(const char *event_name,
                              int *event_id, AppLayerEventType *event_type);