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Issue #28510: Clean up decoding error handlers. 

Since PyUnicodeDecodeError_GetObject() always returns bytes, following
PyBytes_AsString() can be replaced with PyBytes_AS_STRING().
This commit is contained in:
Serhiy Storchaka 2016-10-23 09:44:50 +03:00
parent 523c449ca0
commit cb33a01bbc
1 changed files with 6 additions and 15 deletions
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21
Python/codecs.c
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@ -867,17 +867,14 @@ PyObject *PyCodec_BackslashReplaceErrors(PyObject *exc)
Py_UCS4 c;
if (PyObject_TypeCheck(exc, (PyTypeObject *)PyExc_UnicodeDecodeError)) {
unsigned char *p;
const unsigned char *p;
if (PyUnicodeDecodeError_GetStart(exc, &start))
return NULL;
if (PyUnicodeDecodeError_GetEnd(exc, &end))
return NULL;
if (!(object = PyUnicodeDecodeError_GetObject(exc)))
return NULL;
if (!(p = (unsigned char*)PyBytes_AsString(object))) {
Py_DECREF(object);
return NULL;
}
p = (const unsigned char*)PyBytes_AS_STRING(object);
res = PyUnicode_New(4 * (end - start), 127);
if (res == NULL) {
Py_DECREF(object);
@ -1220,7 +1217,7 @@ PyCodec_SurrogatePassErrors(PyObject *exc)
return restuple;
}
else if (PyObject_TypeCheck(exc, (PyTypeObject *)PyExc_UnicodeDecodeError)) {
unsigned char *p;
const unsigned char *p;
Py_UCS4 ch = 0;
if (PyUnicodeDecodeError_GetStart(exc, &start))
return NULL;
@ -1228,10 +1225,7 @@ PyCodec_SurrogatePassErrors(PyObject *exc)
return NULL;
if (!(object = PyUnicodeDecodeError_GetObject(exc)))
return NULL;
if (!(p = (unsigned char*)PyBytes_AsString(object))) {
Py_DECREF(object);
return NULL;
}
p = (const unsigned char*)PyBytes_AS_STRING(object);
if (!(encode = PyUnicodeDecodeError_GetEncoding(exc))) {
Py_DECREF(object);
return NULL;
@ -1338,7 +1332,7 @@ PyCodec_SurrogateEscapeErrors(PyObject *exc)
}
else if (PyObject_TypeCheck(exc, (PyTypeObject *)PyExc_UnicodeDecodeError)) {
PyObject *str;
unsigned char *p;
const unsigned char *p;
Py_UCS2 ch[4]; /* decode up to 4 bad bytes. */
int consumed = 0;
if (PyUnicodeDecodeError_GetStart(exc, &start))
@ -1347,10 +1341,7 @@ PyCodec_SurrogateEscapeErrors(PyObject *exc)
return NULL;
if (!(object = PyUnicodeDecodeError_GetObject(exc)))
return NULL;
if (!(p = (unsigned char*)PyBytes_AsString(object))) {
Py_DECREF(object);
return NULL;
}
p = (const unsigned char*)PyBytes_AS_STRING(object);
while (consumed < 4 && consumed < end-start) {
/* Refuse to escape ASCII bytes. */
if (p[start+consumed] < 128)