Kernel - Fixed bug in isupper()

diff --git a/KernelLand/Kernel/libc.c b/KernelLand/Kernel/libc.c
index a16687e..751497c 100644 (file)
--- a/KernelLand/Kernel/libc.c
+++ b/KernelLand/Kernel/libc.c
@@ -489,7 +489,7 @@ int isspace(int c)
 }
 int isupper(int c)
 {
-       return ('a' <= c && c <= 'z');
+       return ('A' <= c && c <= 'Z');
 }
 int isxdigit(int c)
 {