gh-133256: Add _Py_NONSTRING macro (#133257) · python/cpython@e26bafd · GitHub
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gh-133256: Add _Py_NONSTRING macro (#133257)
Fix GCC 15 compiler warnings such as: Modules/fcntlmodule.c:27:36: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (9 chars into 8 available) [-Wunterminated-string-initialization] static const char guard[GUARDSZ] = "\x00\xfa\x69\xc4\x67\xa3\x6c\x58";
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‎Include/internal/pycore_debug_offsets.h‎

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‎Include/pyport.h‎

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@@ -685,4 +685,19 @@ extern "C" {
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#endif
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// _Py_NONSTRING: The nonstring variable attribute specifies that an object or
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// member declaration with type array of char, signed char, or unsigned char,
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// or pointer to such a type is intended to store character arrays that do not
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// necessarily contain a terminating NUL.
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//
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// Usage:
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//
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// char name [8] _Py_NONSTRING;
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#if _Py__has_attribute(nonstring)
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# define _Py_NONSTRING __attribute__((nonstring))
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#else
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# define _Py_NONSTRING
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#endif
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#endif /* Py_PYPORT_H */

‎Modules/fcntlmodule.c‎

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