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gh-110190: Fix ctypes structs with array on SPARC (GH-118233)

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Jakub Kulík 2024-09-17 19:06:53 +02:00 • committed by GitHub
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Misc/NEWS.d/next/Library/2024-04-24-16-23-04.gh-issue-110190.TGd5qx.rst Normal file
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@ -0,0 +1,2 @@
Fix ctypes structs with array on SPARC by setting ``MAX_STRUCT_SIZE`` to 32
in stgdict. Patch by Jakub Kulik

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Modules/_ctypes/stgdict.c
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@ -433,7 +433,7 @@ PyCStructUnionType_update_stginfo(PyObject *type, PyObject *fields, int isStruct
/* /*
* The value of MAX_STRUCT_SIZE depends on the platform Python is running on. * The value of MAX_STRUCT_SIZE depends on the platform Python is running on.
*/ */
#if defined(__aarch64__) || defined(__arm__) || defined(_M_ARM64) #if defined(__aarch64__) || defined(__arm__) || defined(_M_ARM64) || defined(__sparc__)
# define MAX_STRUCT_SIZE 32 # define MAX_STRUCT_SIZE 32
#elif defined(__powerpc64__) #elif defined(__powerpc64__)
# define MAX_STRUCT_SIZE 64 # define MAX_STRUCT_SIZE 64