diff options
Diffstat (limited to 'newlib/libc/ctype/isdigit.c')
| -rw-r--r-- | newlib/libc/ctype/isdigit.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/newlib/libc/ctype/isdigit.c b/newlib/libc/ctype/isdigit.c index 18383ee45..9db2700b7 100644 --- a/newlib/libc/ctype/isdigit.c +++ b/newlib/libc/ctype/isdigit.c @@ -16,8 +16,8 @@ int isdigit(<[c]>); DESCRIPTION <<isdigit>> is a macro which classifies ASCII integer values by table lookup. It is a predicate returning non-zero for decimal digits, and 0 for -other characters. It is defined only when <<isascii>>(<[c]>) is true -or <[c]> is EOF. +other characters. It is defined only if <[c]> is representable as an +unsigned char or if <[c]> is EOF. You can use a compiled subroutine instead of the macro definition by undefining the macro using `<<#undef isdigit>>'. |