Mkae str_from_c_string() public

Author: JalonWong

freertos-rust/Cargo.toml

@@ -10,7 +10,7 @@ The freertos-build crate can be used to build and link FreeRTOS from source insi
     links = "freertos"
     name = "freertos-next"
     readme = "README.md"
-    version = "0.7.2"
+    version = "0.7.3"
 
 
 [lib]

freertos-rust/src/hooks.rs

@@ -32,7 +32,7 @@ pub static FREERTOS_HOOKS: FreeRtosHooks = FreeRtosHooks {
 #[allow(unused_doc_comments)]
 #[unsafe(no_mangle)]
 pub extern "C" fn vAssertCalled(file_name_ptr: FreeRtosCharPtr, line: FreeRtosUBaseType) {
-    let file_name = unsafe { str_from_c_string(file_name_ptr).unwrap() };
+    let file_name = unsafe { str_from_c_string(file_name_ptr).unwrap_or("Unknown") };
 
     FREERTOS_HOOKS.do_on_assert();
 

freertos-rust/src/lib.rs

@@ -132,4 +132,4 @@ pub use crate::timers::*;
 pub use crate::units::*;
 #[cfg(feature = "cpu_clock")]
 pub use crate::utils::cpu_clock_hz;
-pub use crate::utils::shim_sanity_check;
+pub use crate::utils::{shim_sanity_check, str_from_c_string};

freertos-rust/src/utils.rs

@@ -55,7 +55,6 @@ pub fn shim_sanity_check() -> Result<(), TypeSizeError> {
 /// # Safety
 ///
 /// `str` must be a pointer to the beginning of nul-terminated sequence of bytes.
-#[cfg(any(feature = "time", feature = "hooks", feature = "sync"))]
 pub unsafe fn str_from_c_string<'a>(str: *const u8) -> Result<&'a str, FreeRtosError> {
     match unsafe { CStr::from_ptr(str as *const _).to_str() } {
         Ok(s) => Ok(s),