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annotate Modules/hashlib.h @ 54294:dba767bc3155 legacy-trunk

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remove mention of old ctypes version
author Benjamin Peterson <benjamin@python.org>
date Sat, 23 May 2009 20:59:09 +0000
parents 1e7ac14e4938
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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51580
1e7ac14e4938 - Issue #3745: Fix hashlib to always reject unicode and non buffer-api
Gregory P. Smith <greg@mad-scientist.com>
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1 /* Common code for use by all hashlib related modules. */
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2
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3 /*
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4 * Given a PyObject* obj, fill in the Py_buffer* viewp with the result
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5 * of PyObject_GetBuffer. Sets and exception and issues a returns
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6 * on any errors.
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7 */
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8 #define GET_BUFFER_VIEW_OR_ERROUT(obj, viewp, error_return) do { \
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9 if (PyUnicode_Check((obj))) { \
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10 PyErr_SetString(PyExc_TypeError, \
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11 "Unicode-objects must be encoded before hashing");\
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12 return error_return; \
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13 } \
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14 if (!PyObject_CheckBuffer((obj))) { \
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15 PyErr_SetString(PyExc_TypeError, \
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16 "object supporting the buffer API required"); \
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17 return error_return; \
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18 } \
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19 if (PyObject_GetBuffer((obj), (viewp), PyBUF_SIMPLE) == -1) { \
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20 return error_return; \
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21 } \
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22 if ((viewp)->ndim > 1) { \
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23 PyErr_SetString(PyExc_BufferError, \
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24 "Buffer must be single dimension"); \
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25 PyBuffer_Release((viewp)); \
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26 return error_return; \
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27 } \
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28 } while(0);