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Subject: [Bug libc/28425] new __attribute_nonnull__(params) conflicts with
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Date: Tue, 05 Oct 2021 23:26:44 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28425

--- Comment #1 from gstrauss <gs-sourceware.org at gluelogic dot com> ---
In order to match glibc 2.35 development, I have modified lighttpd to define
__attribute_nonnull__(params) with an argument for params, and I have modif=
ied
lighttpd usage from __attribute_nonnull__ to __attribute_nonnull__().  (Thi=
s is
also extensible to filling in params, e.g. __attribute_nonnull((1,2,3)), as=
 is
recommended by gcc for passing a single arg or no arg to attributes.)

lighttpd patch (not glibc):
```
 #ifndef __attribute_nonnull__
 #if __has_attribute(nonnull) \
  || __GNUC_PREREQ(3,3)
-#define __attribute_nonnull__  __attribute__((__nonnull__))
+#define __attribute_nonnull__(params)  __attribute__((__nonnull__ params))
 #else
-#define __attribute_nonnull__
+#define __attribute_nonnull__(params)
 #endif
 #endif
```

(In hindsight, that is probably how I should have defined macros for attrib=
utes
which take an optional single argument as parenthesized set of 0 or more
arguments.)

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