[3.12] gh-120155: Fix copy/paste error in HAVE_SUBOFFSETS_IN_LAST_DIM() (GH-120228) #120240
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pythonGH-120228) Don't hardcode 'dest' in HAVE_SUBOFFSETS_IN_LAST_DIM() macro of memoryobject.c, but use its 'view' parameter instead. Fix the Coverity issue: Error: COPY_PASTE_ERROR (CWE-398): Python-3.12.2/Objects/memoryobject.c:273:14: original: ""dest->suboffsets + (dest->ndim - 1)"" looks like the original copy. Python-3.12.2/Objects/memoryobject.c:274:14: copy_paste_error: ""dest"" in ""src->suboffsets + (dest->ndim - 1)"" looks like a copy-paste error. Python-3.12.2/Objects/memoryobject.c:274:14: remediation: Should it say ""src"" instead? GH- 272| assert(dest->ndim > 0 && src->ndim > 0); GH- 273| return (!HAVE_SUBOFFSETS_IN_LAST_DIM(dest) && GH- 274|-> !HAVE_SUBOFFSETS_IN_LAST_DIM(src) && GH- 275| dest->strides[dest->ndim-1] == dest->itemsize && GH- 276| src->strides[src->ndim-1] == src->itemsize); (cherry picked from commit 90b7540) Co-authored-by: Victor Stinner <vstinner@python.org>
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Don't hardcode 'dest' in HAVE_SUBOFFSETS_IN_LAST_DIM() macro of
memoryobject.c, but use its 'view' parameter instead.
Fix the Coverity issue:
Error: COPY_PASTE_ERROR (CWE-398):
Python-3.12.2/Objects/memoryobject.c:273:14: original: ""dest->suboffsets + (dest->ndim - 1)"" looks like the original copy.
Python-3.12.2/Objects/memoryobject.c:274:14: copy_paste_error: ""dest"" in ""src->suboffsets + (dest->ndim - 1)"" looks like a copy-paste error.
Python-3.12.2/Objects/memoryobject.c:274:14: remediation: Should it say ""src"" instead?
GH- 272| assert(dest->ndim > 0 && src->ndim > 0);
GH- 273| return (!HAVE_SUBOFFSETS_IN_LAST_DIM(dest) &&
GH- 274|-> !HAVE_SUBOFFSETS_IN_LAST_DIM(src) &&
GH- 275| dest->strides[dest->ndim-1] == dest->itemsize &&
GH- 276| src->strides[src->ndim-1] == src->itemsize);
(cherry picked from commit 90b7540)
Co-authored-by: Victor Stinner vstinner@python.org