diff options
| -rw-r--r-- | include/ctype.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/include/ctype.h b/include/ctype.h index a7d5db5d..cd2e0169 100644 --- a/include/ctype.h +++ b/include/ctype.h @@ -28,12 +28,12 @@ static __inline int __isspace(int _c) return _c == ' ' || (unsigned)_c-'\t' < 5; } -#define isalpha(a) ((((unsigned)(a)|32)-'a') < 26) -#define isdigit(a) (((unsigned)(a)-'0') < 10) -#define islower(a) (((unsigned)(a)-'a') < 26) -#define isupper(a) (((unsigned)(a)-'A') < 26) -#define isprint(a) (((unsigned)(a)-0x20) < 0x5f) -#define isgraph(a) (((unsigned)(a)-0x21) < 0x5e) +#define isalpha(a) (0 ? isalpha(a) : (((unsigned)(a)|32)-'a') < 26) +#define isdigit(a) (0 ? isdigit(a) : ((unsigned)(a)-'0') < 10) +#define islower(a) (0 ? islower(a) : ((unsigned)(a)-'a') < 26) +#define isupper(a) (0 ? isupper(a) : ((unsigned)(a)-'A') < 26) +#define isprint(a) (0 ? isprint(a) : ((unsigned)(a)-0x20) < 0x5f) +#define isgraph(a) (0 ? isgraph(a) : ((unsigned)(a)-0x21) < 0x5e) #define isspace(a) __isspace(a) #endif |