Fix int8_t storage in BitPropVariant on Arm architectures

rikyoz · Jan 17, 2025 · f64610e · f64610e
1 parent ffe6db6
commit f64610e
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/include/bit7z/bitwindows.hpp b/include/bit7z/bitwindows.hpp
@@ -117,7 +117,11 @@ struct PROPVARIANT {
     WORD wReserved2;
     WORD wReserved3;
     union {
+#if defined( __arm__ ) || defined( __aarch64__ )
+        signed char cVal;
+#else
         char cVal;
+#endif
         unsigned char bVal;
         short iVal;
         unsigned short uiVal;

diff --git a/src/bitpropvariant.cpp b/src/bitpropvariant.cpp
@@ -154,7 +154,7 @@ BitPropVariant::BitPropVariant( uint64_t value ) noexcept: PROPVARIANT() {
 BitPropVariant::BitPropVariant( int8_t value ) noexcept: PROPVARIANT() {
     vt = VT_I1;
     wReserved1 = 0;
-    cVal = static_cast< char >( value );
+    cVal = static_cast< decltype(cVal) >( value );
 }
 
 BitPropVariant::BitPropVariant( int16_t value ) noexcept: PROPVARIANT() {