Commit Graph

2 Commits

Author SHA1 Message Date
Konstantin Belousov
25b73e6327 Improve standard compliance for memset_s() and abort_handler_s().
abort_handler_s() currently simply calls abort(), though the standard
specifies more: "Writes an implementation-defined message to stderr
which must include the string pointed to by msg and calls abort()."

memset_s() is missing error condition "n > smax", and does not invoke
the constraint handler after filling the buffer: "following errors are
detected at runtime and call the currently installed constraint
handler function after storing ch in every location of the destination
range [dest, dest+destsz) if dest and destsz are themselves valid",
one of the errors is "n > smax" itself.

Submitted by:	Yuri Pankov <yuripv@gmx.com>
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D11991
2017-08-12 15:18:17 +00:00
Konstantin Belousov
9851b3400a Implement the memset_s(3) function as specified by the C11 ISO/IEC
9899:2011 Appendix K 3.7.4.1.

Other needed supporting types, defines and constraint_handler
infrastructure is added as specified in the C11 spec.

Submitted by:	Tom Rix <trix@juniper.net>
Sponsored by:	Juniper Networks
Discussed with:	ed
MFC after:	3 weeks
Differential revision:	https://reviews.freebsd.org/D9903
Differential revision:	https://reviews.freebsd.org/D10161
2017-03-30 04:57:26 +00:00