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add comment on slap_dummy_bv

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This commit is contained in:
Pierangelo Masarati 2005-05-21 14:51:37 +00:00
parent 8592822aca
commit 546cba035c
1 changed files with 4 additions and 0 deletions
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4
servers/slapd/attr.c
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@ -46,6 +46,10 @@ attr_free( Attribute *a )
if ( a->a_nvals && a->a_nvals != a->a_vals ) { if ( a->a_nvals && a->a_nvals != a->a_vals ) {
ber_bvarray_free( a->a_nvals ); ber_bvarray_free( a->a_nvals );
} }
/* a_vals may be equal to slap_dummy_bv, a static empty berval;
* this is used as a placeholder for attributes that do not carry
* values, e.g. when proxying search entries with the "attrsonly"
* bit set. */
if ( a->a_vals != &slap_dummy_bv ) { if ( a->a_vals != &slap_dummy_bv ) {
ber_bvarray_free( a->a_vals ); ber_bvarray_free( a->a_vals );
} }