fix i32 / u32 uDebug impl for 16-bit pointer width

japaric · Jan 16, 2022 · e6e5746 · e6e5746
1 parent 4cbb956
commit e6e5746
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diff --git a/src/impls/ixx.rs b/src/impls/ixx.rs
@@ -86,6 +86,7 @@ impl uDisplay for i16 {
 }
 
 impl uDebug for i32 {
+    #[cfg(not(target_pointer_width = "16"))]
     fn fmt<W>(&self, f: &mut Formatter<'_, W>) -> Result<(), W::Error>
     where
         W: uWrite + ?Sized,
@@ -94,6 +95,16 @@ impl uDebug for i32 {
 
         f.write_str(isize(*self as isize, &mut buf))
     }
+    #[cfg(target_pointer_width = "16")]
+    fn fmt<W>(&self, f: &mut Formatter<'_, W>) -> Result<(), W::Error>
+    where
+        W: uWrite + ?Sized,
+    {
+        let mut buf: [u8; 11] = unsafe { crate::uninitialized() };
+
+        let s = ixx!(u32, *self, buf);
+        f.write_str(s)
+    }
 }
 
 impl uDisplay for i32 {

diff --git a/src/impls/uxx.rs b/src/impls/uxx.rs
@@ -70,6 +70,7 @@ impl uDisplay for u16 {
 }
 
 impl uDebug for u32 {
+    #[cfg(not(target_pointer_width = "16"))]
     fn fmt<W>(&self, f: &mut Formatter<'_, W>) -> Result<(), W::Error>
     where
         W: uWrite + ?Sized,
@@ -78,6 +79,15 @@ impl uDebug for u32 {
 
         f.write_str(usize(*self as usize, &mut buf))
     }
+    #[cfg(target_pointer_width = "16")]
+    fn fmt<W>(&self, f: &mut Formatter<'_, W>) -> Result<(), W::Error>
+    where
+        W: uWrite + ?Sized,
+    {
+        let mut buf: [u8; 10] = unsafe { crate::uninitialized() };
+        let s = uxx!(*self, buf);
+        f.write_str(s)
+    }
 }
 
 impl uDisplay for u32 {