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Fix for Bug #216405: 

use the correct base for a buffer object in _PyBuffer_FromObject.
This commit is contained in:
Thomas Heller 2001-10-19 13:49:35 +00:00
parent cad8fa1501
commit fdc1bd305b
1 changed files with 6 additions and 4 deletions
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10
Objects/bufferobject.c
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@ -73,11 +73,13 @@ _PyBuffer_FromObject(PyObject *base, int offset, int size,
offset = count;
if ( offset + size > count )
size = count - offset;
/* if the base object is another buffer, then "deref" it */
if ( PyBuffer_Check(base) )
/* if the base object is another buffer, then "deref" it,
* except if the base of the other buffer is NULL
*/
if ( PyBuffer_Check(base) && (((PyBufferObject *)base)->b_base) )
base = ((PyBufferObject *)base)->b_base;
return _PyBuffer_FromMemory(base, (char *)p + offset, size, readonly);
}