39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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*
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* Copyright (C) 2020 embedd.ch
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* Copyright (C) 2020 Felix Fietkau <nbd@nbd.name>
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* Copyright (C) 2020 John Crispin <john@phrozen.org>
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*/
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#include "usteer.h"
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void usteer_node_set_blob(struct blob_attr **dest, struct blob_attr *val)
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{
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int new_len;
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int len;
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if (!val) {
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free(*dest);
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*dest = NULL;
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return;
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}
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len = *dest ? blob_pad_len(*dest) : 0;
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new_len = blob_pad_len(val);
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if (new_len != len)
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*dest = realloc(*dest, new_len);
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memcpy(*dest, val, new_len);
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}
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