What is C11 cor 1:2012?

Question

I just noticed that there has been a correction to the C11 standard called ISO/IEC 9899:2011/Cor 1:2012.

What was changed in this update?

Answer 1

This technical corrigendum is available free of charge as a PDF, from ISO or from your national standard institute.

For convenience, I will cite it as whole here, since there are just two changes:

Page 176, 6.10.8.1

Replace:

__STDC_VERSION__ The integer constant 201ymmL.¹⁷⁸⁾

with:

__STDC_VERSION__ The integer constant 201112L.¹⁷⁸⁾

Page 177, 6.10.8.3

Replace:

__STDC_LIB_EXT1__ The integer constant 201ymmL, intended to indicate support…

with:

__STDC_LIB_EXT1__ The integer constant 201112L, intended to indicate support for the extensions defined in annex K (Bounds-checking interfaces).¹⁷⁹⁾