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Unicode: document when the wstr pointer is shared with data

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Add also related assertions to _PyUnicode_CheckConsistency().
This commit is contained in:
Victor Stinner 2011-10-04 00:00:20 +02:00
parent 03490918b7
commit 7f11ad4594
2 changed files with 30 additions and 2 deletions
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24
Objects/unicodeobject.c
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@ -302,12 +302,24 @@ _PyUnicode_CheckConsistency(void *op)
}
else if (ascii->state.compact == 1) {
PyCompactUnicodeObject *compact = (PyCompactUnicodeObject *)op;
void *data;
assert(kind == PyUnicode_1BYTE_KIND
|| kind == PyUnicode_2BYTE_KIND
|| kind == PyUnicode_4BYTE_KIND);
assert(ascii->state.ascii == 0);
assert(ascii->state.ready == 1);
assert (compact->utf8 != (void*)(compact + 1));
data = compact + 1;
assert (compact->utf8 != data);
if (
#if SIZEOF_WCHAR_T == 2
kind == PyUnicode_2BYTE_KIND
#else
kind == PyUnicode_4BYTE_KIND
#endif
)
assert(ascii->wstr == data);
else
assert(ascii->wstr != data);
} else {
PyCompactUnicodeObject *compact = (PyCompactUnicodeObject *)op;
PyUnicodeObject *unicode = (PyUnicodeObject *)op;
@ -332,6 +344,16 @@ _PyUnicode_CheckConsistency(void *op)
assert (compact->utf8 == unicode->data.any);
else
assert (compact->utf8 != unicode->data.any);
if (
#if SIZEOF_WCHAR_T == 2
kind == PyUnicode_2BYTE_KIND
#else
kind == PyUnicode_4BYTE_KIND
#endif
)
assert(ascii->wstr == unicode->data.any);
else
assert(ascii->wstr != unicode->data.any);
}
}
return 1;