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Replace remaining StrNCpy() by strlcpy()

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They are equivalent, except that StrNCpy() zero-fills the entire
destination buffer instead of providing just one trailing zero.  For
all but a tiny number of callers, that's just overhead rather than
being desirable.

Remove StrNCpy() as it is now unused.

In some cases, namestrcpy() is the more appropriate function to use.
While we're here, simplify the API of namestrcpy(): Remove the return
value, don't check for NULL input.  Nothing was using that anyway.
Also, remove a few unused name-related functions.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/44f5e198-36f6-6cdb-7fa9-60e34784daae%402ndquadrant.com
This commit is contained in:
Peter Eisentraut
2020-08-10 18:51:31 +02:00
parent cec57b1a0f
commit 1784f278a6
20 changed files with 34 additions and 106 deletions
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2
src/backend/commands/tablecmds.c
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@ -606,7 +606,7 @@ DefineRelation(CreateStmt *stmt, char relkind, Oid ownerId,
* Truncate relname to appropriate length (probably a waste of time, as
* parser should have done this already).
*/
StrNCpy(relname, stmt->relation->relname, NAMEDATALEN);
strlcpy(relname, stmt->relation->relname, NAMEDATALEN);
/*
* Check consistency of arguments