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parser: Use counted_by attribute if supported
We only have a single struct with a flexible array member.
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7
libxml.h
7
libxml.h
@ -57,6 +57,13 @@
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#define ATTRIBUTE_DESTRUCTOR __attribute__((destructor))
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#endif
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#if (defined(__clang__) && __clang_major__ >= 18) || \
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(defined(__GNUC__) && __GNUC__ >= 15)
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#define ATTRIBUTE_COUNTED_BY(c) __attribute__((__counted_by__(c)))
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#else
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#define ATTRIBUTE_COUNTED_BY(c)
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#endif
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#if defined(__clang__) || \
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(defined(__GNUC__) && (__GNUC__ >= 8) && !defined(__EDG__))
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#define ATTRIBUTE_NO_SANITIZE(arg) __attribute__((no_sanitize(arg)))
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2
parser.c
2
parser.c
@ -993,7 +993,7 @@ struct _xmlDefAttrs {
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int maxAttrs; /* the size of the array */
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#if __STDC_VERSION__ >= 199901L
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/* Using a C99 flexible array member avoids UBSan errors. */
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xmlDefAttr attrs[]; /* array of localname/prefix/values/external */
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xmlDefAttr attrs[] ATTRIBUTE_COUNTED_BY(maxAttrs);
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#else
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xmlDefAttr attrs[1];
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#endif
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