1 files changed, 3 insertions, 3 deletions

diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index a45710b70a55..2732fad03908 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -72,6 +72,7 @@
 #include "types.h"
 #include <sys/ttydefaults.h>
 #include <lk/debugfs.h>
+#include <termios.h>
 
 extern const char *graph_line;
 extern const char *graph_dotted_line;
@@ -221,8 +222,8 @@ extern unsigned char sane_ctype[256];
 #define isalpha(x) sane_istest(x,GIT_ALPHA)
 #define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
 #define isprint(x) sane_istest(x,GIT_PRINT)
-#define islower(x) (sane_istest(x,GIT_ALPHA) && sane_istest(x,0x20))
-#define isupper(x) (sane_istest(x,GIT_ALPHA) && !sane_istest(x,0x20))
+#define islower(x) (sane_istest(x,GIT_ALPHA) && (x & 0x20))
+#define isupper(x) (sane_istest(x,GIT_ALPHA) && !(x & 0x20))
 #define tolower(x) sane_case((unsigned char)(x), 0x20)
 #define toupper(x) sane_case((unsigned char)(x), 0)
 
@@ -274,6 +275,5 @@ void dump_stack(void);
 
 extern unsigned int page_size;
 
-struct winsize;
 void get_term_dimensions(struct winsize *ws);
 #endif /* GIT_COMPAT_UTIL_H */