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| author |   Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> | 2024-06-03 11:29:07 +0200 |
|---|---|---|
| committer |   GitHub <noreply@github.com> | 2024-06-03 09:29:07 +0000 |
| commit | cc663b7e25539d938bf71bc1b4d69efd8824c2d3 (patch) | |
| tree | 9b58709b49dc0eff2c65d5e0d68ad79285695d30 | |
| parent | [3.13] gh-119856: Support exiting help() with just "exit" (GH-119858) (#119967) (diff) | |
| download | cpython-cc663b7e25539d938bf71bc1b4d69efd8824c2d3.tar.gz cpython-cc663b7e25539d938bf71bc1b4d69efd8824c2d3.tar.bz2 cpython-cc663b7e25539d938bf71bc1b4d69efd8824c2d3.zip | |
[3.13] gh-119336: Restore removed _PyLong_NumBits() function (GH-119418) (#119970)
gh-119336: Restore removed _PyLong_NumBits() function (GH-119418)
It is used by the pywin32 project.
(cherry picked from commit e50fac96e82d857ecc024b4cd4e012493b077064)
Co-authored-by: Ethan Smith <ethan@ethanhs.me>
| -rw-r--r-- | Include/cpython/longobject.h | 9 | ||||
| -rw-r--r-- | Include/internal/pycore_long.h | 11 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/C API/2024-05-22-17-50-48.gh-issue-119336.ff3qnS.rst | 1 |
3 files changed, 10 insertions, 11 deletions
diff --git a/Include/cpython/longobject.h b/Include/cpython/longobject.h index 189229ee103..96815938c82 100644 --- a/Include/cpython/longobject.h +++ b/Include/cpython/longobject.h @@ -60,6 +60,15 @@ PyAPI_FUNC(Py_ssize_t) PyUnstable_Long_CompactValue(const PyLongObject* op); // There are no error cases. PyAPI_FUNC(int) _PyLong_Sign(PyObject *v); +/* _PyLong_NumBits. Return the number of bits needed to represent the + absolute value of a long. For example, this returns 1 for 1 and -1, 2 + for 2 and -2, and 2 for 3 and -3. It returns 0 for 0. + v must not be NULL, and must be a normalized long. + (size_t)-1 is returned and OverflowError set if the true result doesn't + fit in a size_t. +*/ +PyAPI_FUNC(size_t) _PyLong_NumBits(PyObject *v); + /* _PyLong_FromByteArray: View the n unsigned bytes as a binary integer in base 256, and return a Python int with the same numeric value. If n is 0, the integer is 0. Else: diff --git a/Include/internal/pycore_long.h b/Include/internal/pycore_long.h index f04f66d053b..8513695c22e 100644 --- a/Include/internal/pycore_long.h +++ b/Include/internal/pycore_long.h @@ -47,17 +47,6 @@ extern "C" { # error "_PY_LONG_DEFAULT_MAX_STR_DIGITS smaller than threshold." #endif -// _PyLong_NumBits. Return the number of bits needed to represent the -// absolute value of a long. For example, this returns 1 for 1 and -1, 2 -// for 2 and -2, and 2 for 3 and -3. It returns 0 for 0. -// v must not be NULL, and must be a normalized long. -// (size_t)-1 is returned and OverflowError set if the true result doesn't -// fit in a size_t. -// -// Export for 'math' shared extension. -PyAPI_FUNC(size_t) _PyLong_NumBits(PyObject *v); - - /* runtime lifecycle */ extern PyStatus _PyLong_InitTypes(PyInterpreterState *); diff --git a/Misc/NEWS.d/next/C API/2024-05-22-17-50-48.gh-issue-119336.ff3qnS.rst b/Misc/NEWS.d/next/C API/2024-05-22-17-50-48.gh-issue-119336.ff3qnS.rst new file mode 100644 index 00000000000..e530bb45d35 --- /dev/null +++ b/Misc/NEWS.d/next/C API/2024-05-22-17-50-48.gh-issue-119336.ff3qnS.rst @@ -0,0 +1 @@ +Restore the removed ``_PyLong_NumBits()`` function. It is used by the pywin32 project. Patch by Ethan Smith |