lib/os/cbprintf: Use signed char for %hhd format

The cast to narrow for %hhd support must be 'signed char' instead of 'char' to support targets where 'char' is unsigned, as on riscv. Signed-off-by: Keith Packard <[email protected]>
yanagiis · Jun 9, 2022 · 11267a3 · 11267a3
1 parent e097d95
commit 11267a3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/os/cbprintf_complete.c b/lib/os/cbprintf_complete.c
@@ -1514,7 +1514,7 @@ int z_cbvprintf_impl(cbprintf_cb out, void *ctx, const char *fp,
 				break;
 			}
 			if (length_mod == LENGTH_HH) {
-				value->sint = (char)value->sint;
+				value->sint = (signed char)value->sint;
 			} else if (length_mod == LENGTH_H) {
 				value->sint = (short)value->sint;
 			}