standards/58622: C23: <stdckdint.h> checked integer operations

[campbell+netbsd%mumble.net@localhost]

>Number:         58622
>Category:       standards
>Synopsis:       C23: <stdckdint.h> checked integer operations
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    standards-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Aug 20 20:45:01 +0000 2024
>Originator:     Taylor R Campbell
>Release:        current
>Organization:
The ckd_NetBSD Foundation
>Environment:
>Description:
#include <stdckdint.h>
bool ckd_add(type1 *result, type2 a, type3 b);
bool ckd_sub(type1 *result, type2 a, type3 b);
bool ckd_mul(type1 *result, type2 a, type3 b);

https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3096.pdf#page=330
>How-To-Repeat:
standards inspection
>Fix:
Yes, please!