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Use "#ifdef CATALOG_VARLEN" to protect nullable fields of pg_authid.

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This gives a stronger guarantee than a mere comment against accessing these
fields as simple struct members.  Since rolpassword is in fact varlena,
it's not clear why these didn't get marked from the beginning, but let's
do it now.

Michael Paquier
This commit is contained in:
Tom Lane 2015-02-20 00:23:48 -05:00
parent 09d8d110a6
commit 692bd09ad1
1 changed files with 2 additions and 0 deletions
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src/include/catalog/pg_authid.h
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@ -56,8 +56,10 @@ CATALOG(pg_authid,1260) BKI_SHARED_RELATION BKI_ROWTYPE_OID(2842) BKI_SCHEMA_MAC
int32 rolconnlimit; /* max connections allowed (-1=no limit) */
/* remaining fields may be null; use heap_getattr to read them! */
#ifdef CATALOG_VARLEN /* variable-length fields start here */
text rolpassword; /* password, if any */
timestamptz rolvaliduntil; /* password expiration time, if any */
#endif
} FormData_pg_authid;
#undef timestamptz