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pythongh-97588: remove unused functions in _ctypes/cfield.c
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iritkatriel committed Sep 12, 2024
1 parent 4ed7d1d commit 1e4525b
Showing 1 changed file with 0 additions and 36 deletions.
36 changes: 0 additions & 36 deletions Modules/_ctypes/cfield.c
Original file line number Diff line number Diff line change
Expand Up @@ -45,32 +45,10 @@ class _ctypes.CField "PyObject *" "PyObject"
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=602817ea3ffc709c]*/

static inline
Py_ssize_t round_down(Py_ssize_t numToRound, Py_ssize_t multiple)
{
assert(numToRound >= 0);
assert(multiple >= 0);
if (multiple == 0)
return numToRound;
return (numToRound / multiple) * multiple;
}

static inline
Py_ssize_t round_up(Py_ssize_t numToRound, Py_ssize_t multiple)
{
assert(numToRound >= 0);
assert(multiple >= 0);
if (multiple == 0)
return numToRound;
return ((numToRound + multiple - 1) / multiple) * multiple;
}

static inline
Py_ssize_t NUM_BITS(Py_ssize_t bitsize);
static inline
Py_ssize_t LOW_BIT(Py_ssize_t offset);
static inline
Py_ssize_t BUILD_SIZE(Py_ssize_t bitsize, Py_ssize_t offset);


/*[clinic input]
Expand Down Expand Up @@ -405,20 +383,6 @@ Py_ssize_t NUM_BITS(Py_ssize_t bitsize) {
return bitsize >> 16;
}

static inline
Py_ssize_t BUILD_SIZE(Py_ssize_t bitsize, Py_ssize_t offset) {
assert(0 <= offset);
assert(offset <= 0xFFFF);
// We don't support zero length bitfields.
// And GET_BITFIELD uses NUM_BITS(size)==0,
// to figure out whether we are handling a bitfield.
assert(0 < bitsize);
Py_ssize_t result = (bitsize << 16) + offset;
assert(bitsize == NUM_BITS(result));
assert(offset == LOW_BIT(result));
return result;
}

/* Doesn't work if NUM_BITS(size) == 0, but it never happens in SET() call. */
#define BIT_MASK(type, size) (((((type)1 << (NUM_BITS(size) - 1)) - 1) << 1) + 1)

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