cdefs.h: Introduce __nonstring attribute
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Authored by arichardson on Sep 15 2025, 11:24 PM.

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Reviewers

emaste
imp
jhb
jrtc27

Commits

rGbb4de3d2cf88: cdefs.h: Introduce __nonstring attribute
rG0925033ac770: cdefs.h: Introduce __nonstring attribute
rGdc28e6534b14: cdefs.h: Introduce __nonstring attribute
rG802c6d5d61d1: cdefs.h: Introduce __nonstring attribute

Summary

This attribute can be used to annotate char arrays that are not supposed to
be terminated with a NUL char and is needed to silence clang's new
-Wunterminated-string-initialization warning. The name matches linuxkpi.

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Repository

rG FreeBSD src repository

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No Test Coverage

Build Status

Buildable 67065
Build 63948: arc lint + arc unit

Event Timeline

arichardson requested review of this revision.Sep 15 2025, 11:24 PM

arichardson created this revision.

Harbormaster completed remote builds in B67065: Diff 162123.Sep 15 2025, 11:24 PM

arichardson added a child revision: D52535: rtld: silence clang's unterminated-string-initialization warning.Sep 17 2025, 7:37 AM

Looks like GCC supports this with the same syntax as well.

This revision is now accepted and ready to land.Oct 28 2025, 6:40 PM

emaste accepted this revision.Oct 28 2025, 6:42 PM

Closed by commit rG802c6d5d61d1: cdefs.h: Introduce __nonstring attribute (authored by arichardson). · Explain WhyDec 16 2025, 8:23 PM

This revision was automatically updated to reflect the committed changes.

arichardson added a commit: rG802c6d5d61d1: cdefs.h: Introduce __nonstring attribute.

dim added a commit: rGdc28e6534b14: cdefs.h: Introduce __nonstring attribute.Dec 29 2025, 11:59 AM

dim added a commit: rG0925033ac770: cdefs.h: Introduce __nonstring attribute.

dim added a commit: rGbb4de3d2cf88: cdefs.h: Introduce __nonstring attribute.

Revision Contents
Changeset List

Path

Size

sys/

cdefs.h

7 lines

tools/

build/

cross-build/

include/

common/

sys/

cdefs.h

8 lines

Diff 162123

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sys/sys/cdefs.h