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s4-ldb: Add separate function to add empty element into ldb_msg

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It just adds another element, nothing more.
Caller is responsible to fill-in the added element and
determine how to handle data allocation contexts.

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Kamen Mazdrashki 2010-07-16 13:44:13 +03:00 committed by Andrew Bartlett
parent a95fd4ef64
commit 8d523d46f5
1 changed files with 30 additions and 0 deletions
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30
source4/lib/ldb/common/ldb_msg.c
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@ -114,6 +114,36 @@ struct ldb_val ldb_val_dup(void *mem_ctx, const struct ldb_val *v)
return v2;
}
/**
* Adds new empty element to msg->elements
*/
static int _ldb_msg_add_el(struct ldb_message *msg,
struct ldb_message_element **return_el)
{
struct ldb_message_element *els;
/*
* TODO: Find out a way to assert on input parameters.
* msg and return_el must be valid
*/
els = talloc_realloc(msg, msg->elements,
struct ldb_message_element, msg->num_elements + 1);
if (!els) {
errno = ENOMEM;
return LDB_ERR_OPERATIONS_ERROR;
}
ZERO_STRUCT(els[msg->num_elements]);
msg->elements = els;
msg->num_elements++;
*return_el = &els[msg->num_elements-1];
return LDB_SUCCESS;
}
/*
add an empty element to a message
*/