Function append_msg_branch

dset.c:266–307

! \brief * Add a new branch to current transaction */

 * Add a new branch to current transaction
 */
int append_msg_branch(struct msg_branch *branch)
{
	int idx;
	struct msg_branch_wrap *new_br;
	struct dset_ctx *dsct = get_dset_ctx();

	if (dsct && !dsct->enabled)
		return -1;

	if (dsct==NULL &&  _dst_malloc(&dsct)<0 )
		return -1;

	idx = dsct->nr_branches;

	/* if we have already set up the maximum number
	 * of branches, don't try new ones
	 */
	if (idx == MAX_BRANCHES - 1) {
		LM_ERR("max nr of branches exceeded\n");
		ser_error = E_TOO_MANY_BRANCHES;
		return -1;
	}

	if (idx % DSET_INCREMENT == 0) {
		new_br = pkg_realloc(dsct->branches,
                      (idx + DSET_INCREMENT) * sizeof *dsct->branches);
		if (!new_br) {
			LM_ERR("oom 2\n");
			return E_OUT_OF_MEM;
		}
		memset((char *)new_br + idx * sizeof *new_br, 0,
				DSET_INCREMENT * sizeof *new_br);

		dsct->branches = new_br;
	}

	if (_set_msg_branch( dsct->branches + idx, branch)<0)
		return -1;

	dsct->nr_branches++;
	return 1;
}


/* ! \brief