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Diffstat (limited to 'source/blender/blenlib/BLI_utildefines.h')
-rw-r--r--source/blender/blenlib/BLI_utildefines.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/source/blender/blenlib/BLI_utildefines.h b/source/blender/blenlib/BLI_utildefines.h
index 43b1e7871cd..95ad786c7c2 100644
--- a/source/blender/blenlib/BLI_utildefines.h
+++ b/source/blender/blenlib/BLI_utildefines.h
@@ -45,7 +45,11 @@
# ifdef __cplusplus
typedef bool _BLI_Bool;
# else
-# define _BLI_Bool signed char
+/* using char here may cause nasty tricky bugs, e.g.
+ * bool is_bit_flag = RNA_property_flag(prop) & PROP_ENUM_FLAG;
+ * as PROP_ENUM_FLAG is farther than 8th bit, do_translate would be always false!
+ */
+# define _BLI_Bool unsigned int
# endif
# else
# define _BLI_Bool _Bool