47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/** \file
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* \ingroup bli
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* \brief Generic memory manipulation API.
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*
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* This is to extend on existing functions
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* such as ``memcpy`` & ``memcmp``.
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*/
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#include <string.h>
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#include "BLI_sys_types.h"
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#include "BLI_utildefines.h"
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#include "BLI_memory_utils.h"
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#include "BLI_strict_flags.h"
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/**
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* Check if memory is zeroed, as with `memset(arr, 0, arr_size)`.
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*/
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bool BLI_memory_is_zero(const void *arr, const size_t arr_size)
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{
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const char *arr_byte = arr;
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const char *arr_end = (const char *)arr + arr_size;
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while ((arr_byte != arr_end) && (*arr_byte == 0)) {
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arr_byte++;
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}
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return (arr_byte == arr_end);
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}
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