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blender-archive/source/blender/blenlib/intern/memory_utils.c
Campbell Barton c434782e3a File headers: SPDX License migration
Use a shorter/simpler license convention, stops the header taking so
much space.

Follow the SPDX license specification: https://spdx.org/licenses

- C/C++/objc/objc++
- Python
- Shell Scripts
- CMake, GNUmakefile

While most of the source tree has been included

- `./extern/` was left out.
- `./intern/cycles` & `./intern/atomic` are also excluded because they
  use different header conventions.

doc/license/SPDX-license-identifiers.txt has been added to list SPDX all
used identifiers.

See P2788 for the script that automated these edits.

Reviewed By: brecht, mont29, sergey

Ref D14069
2022-02-11 09:14:36 +11:00

30 lines
600 B
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup bli
* \brief Generic memory manipulation API.
*
* This is to extend on existing functions
* such as `memcpy` & `memcmp`.
*/
#include <string.h>
#include "BLI_sys_types.h"
#include "BLI_utildefines.h"
#include "BLI_memory_utils.h"
#include "BLI_strict_flags.h"
bool BLI_memory_is_zero(const void *arr, const size_t arr_size)
{
const char *arr_byte = arr;
const char *arr_end = (const char *)arr + arr_size;
while ((arr_byte != arr_end) && (*arr_byte == 0)) {
arr_byte++;
}
return (arr_byte == arr_end);
}