]> granicus.if.org Git - python/commitdiff
Add specification for the Py_IS* macros in pyctype.h.
authorStefan Krah <stefan@bytereef.org>
Thu, 24 Jun 2010 10:25:08 +0000 (10:25 +0000)
committerStefan Krah <stefan@bytereef.org>
Thu, 24 Jun 2010 10:25:08 +0000 (10:25 +0000)
Include/pyctype.h

index 0d211ec799c77b80a0b935ef2d18f86640a918fd..c5cc61431d08e0cc8e3b58511b4d618b154c42de 100644 (file)
@@ -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)