pgsql: Convert a few more datatype input functions to report errors sof

Convert a few more datatype input functions to report errors softly.

Convert bit_in, varbit_in, inet_in, cidr_in, macaddr_in, and
macaddr8_in to the new style.

Amul Sul, minor mods by me

Discussion: https://postgr.es/m/CAAJ_b97KeDWUdpTKGOaFYPv0OicjOu6EW+QYWj-Ywrgj_aEy1g@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/17407a8eaa2afa8ac0de4b0a494f33d8eb7a98bd

Modified Files
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src/backend/utils/adt/mac.c | 5 +--
src/backend/utils/adt/mac8.c | 65 +++++++++++++++-------------------
src/backend/utils/adt/network.c | 14 ++++----
src/backend/utils/adt/varbit.c | 20 +++++------
src/test/regress/expected/bit.out | 61 +++++++++++++++++++++++++++++++
src/test/regress/expected/inet.out | 37 +++++++++++++++++++
src/test/regress/expected/macaddr.out | 25 +++++++++++++
src/test/regress/expected/macaddr8.out | 25 +++++++++++++
src/test/regress/sql/bit.sql | 13 +++++++
src/test/regress/sql/inet.sql | 9 +++++
src/test/regress/sql/macaddr.sql | 6 ++++
src/test/regress/sql/macaddr8.sql | 6 ++++
12 files changed, 230 insertions(+), 56 deletions(-)