From 2b01430a351179c8f41271a9c8d0391193e95b3d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?D=C3=A1niel=20Buga?= <bugadani@gmail.com>
Date: Tue, 24 Oct 2023 19:20:35 +0200
Subject: [PATCH] Implement __assert_func

---
 esp-wifi/src/common_adapter/mod.rs | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/esp-wifi/src/common_adapter/mod.rs b/esp-wifi/src/common_adapter/mod.rs
index fedc2c53..2fddffd7 100644
--- a/esp-wifi/src/common_adapter/mod.rs
+++ b/esp-wifi/src/common_adapter/mod.rs
@@ -377,12 +377,23 @@ static mut WIFI_EVENT: esp_event_base_t = unsafe { &EVT };
 // stuff needed by wpa-supplicant
 #[no_mangle]
 pub unsafe extern "C" fn __assert_func(
-    _file: *const u8,
-    _line: u32,
-    _func: *const u8,
-    _failed_expr: *const u8,
+    file: *const u8,
+    line: u32,
+    func: *const u8,
+    failed_expr: *const u8,
 ) {
-    todo!("__assert_func");
+    let file = str_from_c(file);
+    let (func_pre, func) = if func.is_null() {
+        ("", "")
+    } else {
+        (", function: ", str_from_c(func))
+    };
+    let expr = str_from_c(failed_expr);
+
+    panic!(
+        "assertion \"{}\" failed: file \"{}\", line {}{}{}",
+        expr, file, line, func_pre, func
+    );
 }
 
 #[no_mangle]