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Fix core dump in PyArg_ParseTuple() with Unicode arguments.

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Reported by Fredrik Lundh on python-dev.

The conversimple() code that handles Unicode arguments and converts
them to the default encoding now calls converterr() with the original
Unicode argument instead of the NULL returned by the failed encoding
attempt.
This commit is contained in:
Jeremy Hylton 2001-09-10 01:54:43 +00:00
parent bea3fb83a7
commit 77b8b67919
1 changed files with 17 additions and 15 deletions
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30
Python/getargs.c
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@ -368,6 +368,7 @@ static char *
converterr(char *expected, PyObject *arg, char *msgbuf)
{
assert(expected != NULL);
assert(arg != NULL);
sprintf(msgbuf, "must be %.50s, not %.50s", expected,
arg == Py_None ? "None" : arg->ob_type->tp_name);
return msgbuf;
@ -387,6 +388,7 @@ convertsimple(PyObject *arg, char **p_format, va_list *p_va, char *msgbuf)
{
char *format = *p_format;
char c = *format++;
PyObject *uarg;
switch (c) {
@ -568,12 +570,12 @@ convertsimple(PyObject *arg, char **p_format, va_list *p_va, char *msgbuf)
}
#ifdef Py_USING_UNICODE
else if (PyUnicode_Check(arg)) {
arg = UNICODE_DEFAULT_ENCODING(arg);
if (arg == NULL)
uarg = UNICODE_DEFAULT_ENCODING(arg);
if (uarg == NULL)
return converterr(CONV_UNICODE,
arg, msgbuf);
*p = PyString_AS_STRING(arg);
*q = PyString_GET_SIZE(arg);
*p = PyString_AS_STRING(uarg);
*q = PyString_GET_SIZE(uarg);
}
#endif
else { /* any buffer-like object */
@ -591,11 +593,11 @@ convertsimple(PyObject *arg, char **p_format, va_list *p_va, char *msgbuf)
*p = PyString_AS_STRING(arg);
#ifdef Py_USING_UNICODE
else if (PyUnicode_Check(arg)) {
arg = UNICODE_DEFAULT_ENCODING(arg);
if (arg == NULL)
uarg = UNICODE_DEFAULT_ENCODING(arg);
if (uarg == NULL)
return converterr(CONV_UNICODE,
arg, msgbuf);
*p = PyString_AS_STRING(arg);
*p = PyString_AS_STRING(uarg);
}
#endif
else
@ -622,12 +624,12 @@ convertsimple(PyObject *arg, char **p_format, va_list *p_va, char *msgbuf)
}
#ifdef Py_USING_UNICODE
else if (PyUnicode_Check(arg)) {
arg = UNICODE_DEFAULT_ENCODING(arg);
if (arg == NULL)
uarg = UNICODE_DEFAULT_ENCODING(arg);
if (uarg == NULL)
return converterr(CONV_UNICODE,
arg, msgbuf);
*p = PyString_AS_STRING(arg);
*q = PyString_GET_SIZE(arg);
*p = PyString_AS_STRING(uarg);
*q = PyString_GET_SIZE(uarg);
}
#endif
else { /* any buffer-like object */
@ -648,11 +650,11 @@ convertsimple(PyObject *arg, char **p_format, va_list *p_va, char *msgbuf)
*p = PyString_AsString(arg);
#ifdef Py_USING_UNICODE
else if (PyUnicode_Check(arg)) {
arg = UNICODE_DEFAULT_ENCODING(arg);
if (arg == NULL)
uarg = UNICODE_DEFAULT_ENCODING(arg);
if (uarg == NULL)
return converterr(CONV_UNICODE,
arg, msgbuf);
*p = PyString_AS_STRING(arg);
*p = PyString_AS_STRING(uarg);
}
#endif
else