From 015da2c7ed129def291bc41838daa001fa9c6746 Mon Sep 17 00:00:00 2001
From: Shivani Bhardwaj <shivani@oisf.net>
Date: Thu, 9 Jan 2025 12:17:13 +0530
Subject: [PATCH] rust: add C callback for FatalErrorOnInit

---
 rust/src/debug.rs | 23 +++++++++++++++++++++--
 src/util-debug.c  |  5 +++++
 src/util-debug.h  |  2 ++
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/rust/src/debug.rs b/rust/src/debug.rs
index 16b128390f..72f7b737c3 100644
--- a/rust/src/debug.rs
+++ b/rust/src/debug.rs
@@ -20,12 +20,19 @@
 use std::{ffi::CString, path::Path};
 
 use crate::core::SC;
+use std::os::raw::c_char;
 
 /// cbindgen:ignore
-extern {
+extern "C" {
     pub fn SCLogGetLogLevel() -> i32;
 }
 
+// Defined in util-debug.c
+/// cbindgen:ignore
+extern "C" {
+    pub fn SCFatalErrorOnInitStatic(arg: *const c_char);
+}
+
 #[derive(Debug)]
 #[repr(C)]
 pub enum Level {
@@ -62,6 +69,12 @@ fn basename(filename: &str) -> &str {
     return filename;
 }
 
+pub fn fatalerror(message: &str) {
+    unsafe {
+        SCFatalErrorOnInitStatic(to_safe_cstring(message).as_ptr());
+    }
+}
+
 pub fn sclog(level: Level, file: &str, line: u32, function: &str, message: &str) {
     let filename = basename(file);
     let noext = &filename[0..filename.len() - 3];
@@ -203,13 +216,19 @@ macro_rules! SCLogDebug {
     ($($arg:tt)*) => {};
 }
 
+#[macro_export]
+macro_rules!SCFatalErrorOnInit {
+    ($($arg:tt)*) => {
+        $crate::debug::fatalerror(&format!($($arg)*));
+    }
+}
+
 #[cfg(not(feature = "debug-validate"))]
 #[macro_export]
 macro_rules! debug_validate_bug_on (
   ($item:expr) => {};
 );
 
-
 #[cfg(feature = "debug-validate")]
 #[macro_export]
 macro_rules! debug_validate_bug_on (
diff --git a/src/util-debug.c b/src/util-debug.c
index 56258a034f..f315d12890 100644
--- a/src/util-debug.c
+++ b/src/util-debug.c
@@ -1614,6 +1614,11 @@ void SCLogDeInitLogModule(void)
 #endif /* OS_WIN32 */
 }
 
+void SCFatalErrorOnInitStatic(const char *arg)
+{
+    FatalErrorOnInit("%s", arg);
+}
+
 //------------------------------------Unit_Tests--------------------------------
 
 /* The logging engine should be tested to the maximum extent possible, since
diff --git a/src/util-debug.h b/src/util-debug.h
index 29beb912c9..6ed0eccf5b 100644
--- a/src/util-debug.h
+++ b/src/util-debug.h
@@ -530,6 +530,8 @@ SCLogInitData *SCLogAllocLogInitData(void);
 
 void SCLogAppendOPIfaceCtx(SCLogOPIfaceCtx *, SCLogInitData *);
 
+void SCFatalErrorOnInitStatic(const char *);
+
 void SCLogInitLogModule(SCLogInitData *);
 
 void SCLogDeInitLogModule(void);