diff options
| -rw-r--r-- | Include/pyctype.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Include/pyctype.h b/Include/pyctype.h index 0d211ec..c5cc614 100644 --- a/Include/pyctype.h +++ b/Include/pyctype.h @@ -11,6 +11,9 @@ extern const unsigned int _Py_ctype_table[256]; +/* Unlike their C counterparts, the following macros are not meant to + * handle an int with any of the values [EOF, 0-UCHAR_MAX]. The argument + * must be a signed/unsigned char. */ #define Py_ISLOWER(c) (_Py_ctype_table[Py_CHARMASK(c)] & PY_CTF_LOWER) #define Py_ISUPPER(c) (_Py_ctype_table[Py_CHARMASK(c)] & PY_CTF_UPPER) #define Py_ISALPHA(c) (_Py_ctype_table[Py_CHARMASK(c)] & PY_CTF_ALPHA) |