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author | Victor Stinner <victor.stinner@haypocalc.com> | 2010-04-03 08:40:16 (GMT) |
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committer | Victor Stinner <victor.stinner@haypocalc.com> | 2010-04-03 08:40:16 (GMT) |
commit | f70c5810565728b29a375492d5c3a37c5aa9af91 (patch) | |
tree | 0ef658879a929935495e04e9c69b71610cf01dee /Doc/c-api/arg.rst | |
parent | 0000295fe3b316f78732d543e15ae69efe168bed (diff) | |
download | cpython-f70c5810565728b29a375492d5c3a37c5aa9af91.zip cpython-f70c5810565728b29a375492d5c3a37c5aa9af91.tar.gz cpython-f70c5810565728b29a375492d5c3a37c5aa9af91.tar.bz2 |
Issue #8227: Fix C API documentation, argument parsing
* 'z', 'z#', 'z*' does also accept Unicode
* unify types name: replace "string or Unicode objet" by "string or Unicode"
Diffstat (limited to 'Doc/c-api/arg.rst')
-rw-r--r-- | Doc/c-api/arg.rst | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/Doc/c-api/arg.rst b/Doc/c-api/arg.rst index 2ffba93..6599d82 100644 --- a/Doc/c-api/arg.rst +++ b/Doc/c-api/arg.rst @@ -24,7 +24,7 @@ the format unit; the entry in (round) parentheses is the Python object type that matches the format unit; and the entry in [square] brackets is the type of the C variable(s) whose address should be passed. -``s`` (string or Unicode object) [const char \*] +``s`` (string or Unicode) [const char \*] Convert a Python string or Unicode object to a C pointer to a character string. You must not provide storage for the string itself; a pointer to an existing string is stored into the character pointer variable whose @@ -55,32 +55,32 @@ of the C variable(s) whose address should be passed. .. versionadded:: 2.6 -``z`` (string or ``None``) [const char \*] +``z`` (string, Unicode or ``None``) [const char \*] Like ``s``, but the Python object may also be ``None``, in which case the C pointer is set to *NULL*. -``z#`` (string or ``None`` or any read buffer compatible object) [const char \*, int] +``z#`` (string, Unicode, ``None`` or any read buffer compatible object) [const char \*, int] This is to ``s#`` as ``z`` is to ``s``. -``z*`` (string or ``None`` or any buffer compatible object) [Py_buffer] +``z*`` (string, Unicode, ``None`` or any buffer compatible object) [Py_buffer] This is to ``s*`` as ``z`` is to ``s``. .. versionadded:: 2.6 -``u`` (Unicode object) [Py_UNICODE \*] +``u`` (Unicode) [Py_UNICODE \*] Convert a Python Unicode object to a C pointer to a NUL-terminated buffer of 16-bit Unicode (UTF-16) data. As with ``s``, there is no need to provide storage for the Unicode data buffer; a pointer to the existing Unicode data is stored into the :ctype:`Py_UNICODE` pointer variable whose address you pass. -``u#`` (Unicode object) [Py_UNICODE \*, int] +``u#`` (Unicode) [Py_UNICODE \*, int] This variant on ``u`` stores into two C variables, the first one a pointer to a Unicode data buffer, the second one its length. Non-Unicode objects are handled by interpreting their read-buffer pointer as pointer to a :ctype:`Py_UNICODE` array. -``es`` (string, Unicode object or character buffer compatible object) [const char \*encoding, char \*\*buffer] +``es`` (string, Unicode or character buffer compatible object) [const char \*encoding, char \*\*buffer] This variant on ``s`` is used for encoding Unicode and objects convertible to Unicode into a character buffer. It only works for encoded data without embedded NUL bytes. @@ -99,12 +99,12 @@ of the C variable(s) whose address should be passed. newly allocated storage. The caller is responsible for calling :cfunc:`PyMem_Free` to free the allocated buffer after use. -``et`` (string, Unicode object or character buffer compatible object) [const char \*encoding, char \*\*buffer] +``et`` (string, Unicode or character buffer compatible object) [const char \*encoding, char \*\*buffer] Same as ``es`` except that 8-bit string objects are passed through without recoding them. Instead, the implementation assumes that the string object uses the encoding passed in as parameter. -``es#`` (string, Unicode object or character buffer compatible object) [const char \*encoding, char \*\*buffer, int \*buffer_length] +``es#`` (string, Unicode or character buffer compatible object) [const char \*encoding, char \*\*buffer, int \*buffer_length] This variant on ``s#`` is used for encoding Unicode and objects convertible to Unicode into a character buffer. Unlike the ``es`` format, this variant allows input data which contains NUL characters. @@ -136,7 +136,7 @@ of the C variable(s) whose address should be passed. In both cases, *\*buffer_length* is set to the length of the encoded data without the trailing NUL byte. -``et#`` (string, Unicode object or character buffer compatible object) [const char \*encoding, char \*\*buffer, int \*buffer_length] +``et#`` (string, Unicode or character buffer compatible object) [const char \*encoding, char \*\*buffer, int \*buffer_length] Same as ``es#`` except that string objects are passed through without recoding them. Instead, the implementation assumes that the string object uses the encoding passed in as parameter. |