Experimental C features

From cppreference.com
< c

The C standards committee publishes experimental C language and library extensions for future standardization.

Note: until 2012, these publications used the TR (technical report) format. Since 2012 ISO procedure changed to use the TS (technical specification) format.

ISO number Name Status links
ISO/IEC TR

19769:2004

Extensions to support new character data types Published (ISO store)

Final draft: N1040 (2003-11-07)
Merged into C11.

ISO/IEC TR

24731-1:2007

Bounds-checking interfaces Published (ISO store)

Final draft: N1225 (2007-03-28)
Merged into C11.

ISO/IEC TR 18037:2008 Extensions to support embedded processors Published (ISO store)

Final draft: N1169 (2006-04-04)

ISO/IEC TR

24732:2009

Extensions to support decimal floating-point arithmetic Published (ISO store)

Final draft: N1312 (2008-05-16)
Superseded by TS 18661-2:2015

ISO/IEC

24747:2009

Extensions to support mathematical special functions Published (ISO store)

Draft: N1182 (2006-08-02)

ISO/IEC TR

24731-2:2010

Extensions to support dynamic allocation functions Published 2010-11-24 (ISO store)

Draft: N1388 (2009-06-01)

dynamic
ISO/IEC TS

17961:2013

Secure coding rules Published 2013-11-15 (ISO store)

Draft: N1718 (2013-05-30)
TC1 published 2016-08-09 (ISO store)

ISO/IEC TS

18661-1:2014

Floating-point extensions: Binary floating-point arithmetic Published 2014-07-21 (ISO store) Draft: N1778 (2013-11-05).

C2x draft: N2314 (2018-11-12)

Merged into C23.

fpext1
ISO/IEC TS

18661-2:2015

Floating-point extensions: Decimal floating-point arithmetic Published 2015-02-11, Revised 2015-05-18 (ISO store).

C2x draft: N2341 (2019-02-26)

Merged into C23.

ISO/IEC TS

18661-3:2015

Floating-point extensions: Interchange and extended types Published 2015-10-06 (ISO store). Draft: N1945 (2015-06-10).

C2x draft: N2601 (2020-10-15)

Merged into C23.

ISO/IEC TS

18661-4:2015

Floating-point extensions: Supplementary functions Published 2015-10-06 (ISO store). Draft: N1950 (2015-06-10).

C2x draft: N2401 (2019-06-23)

Partially merged into C23.

fpext4
ISO/IEC TS 18661-5:2016 Floating-point extensions: Supplementary attributes Published 2016-08-11 (ISO store) Draft: N2004 (2016-03-07)
ISO/IEC TR 24772-3:2020 Vulnerability descriptions for the programming language C Published 2020-05-20 (ISO store) Draft: N2169 (2017-04-07)
Transactional Memory TS Early draft: N1961 (2015-09-23)
ISO/IEC TS

17961:xxxx

Secure coding rules part 2 Early development, estimated publication 2023, possibly as an IS rather than TS
ISO/IEC AWI TS 6010 A Provenance-aware Memory Object Model for C Early draft: N3005 (2022-06-15)
ISO/IEC TS 21938-1 Parallel extensions part 1: Thread-based parallelism Early draft: N2170 (2017-09-21)

×(Abandoned)

Parallel extensions part 2: Vector-based parallelism Early partial draft: N2081 (2016-09-15)

×(Abandoned)

See also