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gh-131296: fix clang-cl warning in tracemalloc.c #131514

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Merged
vstinner merged 1 commit into from
Mar 22, 2025
Merged

gh-131296: fix clang-cl warning in tracemalloc.c #131514

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9 changes: 3 additions & 6 deletions Python/tracemalloc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -48,10 +48,7 @@ typedef struct tracemalloc_traceback traceback_t;
#define TRACEBACK_SIZE(NFRAME) \
(sizeof(traceback_t) + sizeof(frame_t) * (NFRAME - 1))

/* The maximum number of frames is either:
- The maximum number of frames we can store in `traceback_t.nframe`
- The maximum memory size_t we can allocate */
static const unsigned long MAX_NFRAME = Py_MIN(UINT16_MAX, ((SIZE_MAX - sizeof(traceback_t)) / sizeof(frame_t) + 1));
static const int MAX_NFRAME = UINT16_MAX;


#define tracemalloc_empty_traceback _PyRuntime.tracemalloc.empty_traceback
Expand Down Expand Up @@ -783,9 +780,9 @@ tracemalloc_deinit(void)
int
_PyTraceMalloc_Start(int max_nframe)
{
if (max_nframe < 1 || (unsigned long) max_nframe > MAX_NFRAME) {
if (max_nframe < 1 || max_nframe > MAX_NFRAME) {
PyErr_Format(PyExc_ValueError,
"the number of frames must be in range [1; %lu]",
"the number of frames must be in range [1; %i]",
MAX_NFRAME);
return -1;
}
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