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53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
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/*
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* Copyright (c) 2019 Andreas Schneider <asn@samba.org>
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*
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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 3 of the License, or
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* (at your option) any later version.
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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, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "talloc_keep_secret.h"
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static int talloc_keep_secret_destructor(void *ptr)
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{
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size_t size = talloc_get_size(ptr);
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if (unlikely(size == 0)) {
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return 0;
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}
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memset_s(ptr, size, 0, size);
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return 0;
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}
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void _talloc_keep_secret(void *ptr, const char *name)
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{
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size_t size;
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if (unlikely(ptr == NULL)) {
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#ifdef DEVELOPER
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smb_panic("Invalid talloc pointer");
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#endif
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return;
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}
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size = talloc_get_size(ptr);
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if (unlikely(size == 0)) {
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return;
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}
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talloc_set_name_const(ptr, name);
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talloc_set_destructor(ptr, talloc_keep_secret_destructor);
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}
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