diff options
| -rw-r--r-- | source/include/charset.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/source/include/charset.h b/source/include/charset.h index 7c6fbe5509b..5a683e09683 100644 --- a/source/include/charset.h +++ b/source/include/charset.h @@ -54,11 +54,11 @@ extern void charset_initialise(void); #undef isspace #endif -#define toupper(c) (upper_char_map[(c&0xff)] & 0xff) -#define tolower(c) (lower_char_map[(c&0xff)] & 0xff) -#define isupper(c) ((c&0xff) != tolower(c&0xff)) -#define islower(c) ((c&0xff) != toupper(c&0xff)) -#define isdoschar(c) (dos_char_map[(c&0xff)] != 0) +#define toupper(c) (upper_char_map[((c)&0xff)] & 0xff) +#define tolower(c) (lower_char_map[((c)&0xff)] & 0xff) +#define isupper(c) (((c)&0xff) != tolower((c)&0xff)) +#define islower(c) (((c)&0xff) != toupper((c)&0xff)) +#define isdoschar(c) (dos_char_map[((c)&0xff)] != 0) #define isspace(c) ((c)==' ' || (c) == '\t') /* this is used to determine if a character is safe to use in |