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The methods islower(), isupper(), isspace(), isdigit() and istitle() 

gave bogus results for chars in the range 128-255, because their
implementation was using signed characters.  Fixed this by using
unsigned character pointers (as opposed to using Py_CHARMASK()).
This commit is contained in:
Guido van Rossum 2000-05-05 20:44:24 +00:00
parent 3a03d4c4c7
commit b8f820c5a9
1 changed files with 11 additions and 11 deletions
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22
Objects/stringobject.c
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@ -1910,8 +1910,8 @@ Return 1 if there are only whitespace characters in S,\n\
static PyObject*
string_isspace(PyStringObject *self, PyObject *args)
{
register const char *p = PyString_AS_STRING(self);
register const char *e;
register const unsigned char *p = (unsigned char *) PyString_AS_STRING(self);
register const unsigned char *e;
if (!PyArg_NoArgs(args))
return NULL;
@ -1939,8 +1939,8 @@ Return 1 if there are only digit characters in S,\n\
static PyObject*
string_isdigit(PyStringObject *self, PyObject *args)
{
register const char *p = PyString_AS_STRING(self);
register const char *e;
register const unsigned char *p = (unsigned char *) PyString_AS_STRING(self);
register const unsigned char *e;
if (!PyArg_NoArgs(args))
return NULL;
@ -1968,8 +1968,8 @@ at least one cased character in S, 0 otherwise.";
static PyObject*
string_islower(PyStringObject *self, PyObject *args)
{
register const char *p = PyString_AS_STRING(self);
register const char *e;
register const unsigned char *p = (unsigned char *) PyString_AS_STRING(self);
register const unsigned char *e;
int cased;
if (!PyArg_NoArgs(args))
@ -2000,8 +2000,8 @@ at least one cased character in S, 0 otherwise.";
static PyObject*
string_isupper(PyStringObject *self, PyObject *args)
{
register const char *p = PyString_AS_STRING(self);
register const char *e;
register const unsigned char *p = (unsigned char *) PyString_AS_STRING(self);
register const unsigned char *e;
int cased;
if (!PyArg_NoArgs(args))
@ -2033,8 +2033,8 @@ ones. Return 0 otherwise.";
static PyObject*
string_istitle(PyStringObject *self, PyObject *args)
{
register const char *p = PyString_AS_STRING(self);
register const char *e;
register const unsigned char *p = (unsigned char *) PyString_AS_STRING(self);
register const unsigned char *e;
int cased, previous_is_cased;
if (!PyArg_NoArgs(args))
@ -2048,7 +2048,7 @@ string_istitle(PyStringObject *self, PyObject *args)
cased = 0;
previous_is_cased = 0;
for (; p < e; p++) {
register const char ch = *p;
register const unsigned char ch = *p;
if (isupper(ch)) {
if (previous_is_cased)