diff options
Diffstat (limited to 'tools/include/linux/ctype.h')
| -rw-r--r-- | tools/include/linux/ctype.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/tools/include/linux/ctype.h b/tools/include/linux/ctype.h index 310090b4c474..29ed3fe94404 100644 --- a/tools/include/linux/ctype.h +++ b/tools/include/linux/ctype.h @@ -2,6 +2,8 @@ #ifndef _LINUX_CTYPE_H #define _LINUX_CTYPE_H +#include <linux/compiler.h> + /* * NOTE! This ctype does not handle EOF like the standard C * library is required to. @@ -23,11 +25,6 @@ extern const unsigned char _ctype[]; #define isalnum(c) ((__ismask(c)&(_U|_L|_D)) != 0) #define isalpha(c) ((__ismask(c)&(_U|_L)) != 0) #define iscntrl(c) ((__ismask(c)&(_C)) != 0) -static inline int __isdigit(int c) -{ - return '0' <= c && c <= '9'; -} -#define isdigit(c) __isdigit(c) #define isgraph(c) ((__ismask(c)&(_P|_U|_L|_D)) != 0) #define islower(c) ((__ismask(c)&(_L)) != 0) #define isprint(c) ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0) @@ -40,6 +37,16 @@ static inline int __isdigit(int c) #define isascii(c) (((unsigned char)(c))<=0x7f) #define toascii(c) (((unsigned char)(c))&0x7f) +#if __has_builtin(__builtin_isdigit) +#define isdigit(c) __builtin_isdigit(c) +#else +static inline int __isdigit(int c) +{ + return '0' <= c && c <= '9'; +} +#define isdigit(c) __isdigit(c) +#endif + static inline unsigned char __tolower(unsigned char c) { if (isupper(c)) |