diff options
Diffstat (limited to 'newlib/libc/include')
| -rw-r--r-- | newlib/libc/include/ctype.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/newlib/libc/include/ctype.h b/newlib/libc/include/ctype.h index d223dd09a..c2e393b31 100644 --- a/newlib/libc/include/ctype.h +++ b/newlib/libc/include/ctype.h @@ -46,8 +46,8 @@ extern __IMPORT char *__ctype_ptr__; #ifndef __cplusplus #define isalpha(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&(_U|_L)) -#define isupper(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&_U) -#define islower(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&_L) +#define isupper(c) (((__ctype_ptr__)[(unsigned)((c)+1)]&(_U|_L))==_U) +#define islower(c) (((__ctype_ptr__)[(unsigned)((c)+1)]&(_U|_L))==_L) #define isdigit(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&_N) #define isxdigit(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&(_X|_N)) #define isspace(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&_S) @@ -57,8 +57,10 @@ extern __IMPORT char *__ctype_ptr__; #define isgraph(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&(_P|_U|_L|_N)) #define iscntrl(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&_C) -#if !defined(__STRICT_ANSI__) || __STDC_VERSION__ >= 199901L -#define isblank(c) ((__ctype_ptr__)[(unsigned)((c)+1)]&_B) +#if defined(__GNUC__) && \ + (!defined(__STRICT_ANSI__) || __STDC_VERSION__ >= 199901L) +#define isblank(c) \ + __extension__ ({ int __c = (c); ((__ctype_ptr__)[(unsigned)((__c)+1)]&_B) || (__c) == '\t';}) #endif |