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482704df PB |
1 | //------------------------------------------------------------------------------\r |
2 | //\r | |
3 | // Copyright (c) 2019, Pete Batard. All rights reserved.\r | |
53aabb97 | 4 | // Copyright (c) 2021, Arm Limited. All rights reserved.<BR>\r |
482704df PB |
5 | //\r |
6 | // SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
7 | //\r | |
8 | //------------------------------------------------------------------------------\r | |
9 | \r | |
10 | #if defined(_M_ARM64)\r | |
11 | typedef unsigned __int64 size_t;\r | |
12 | #else\r | |
13 | typedef unsigned __int32 size_t;\r | |
14 | #endif\r | |
15 | \r | |
16 | int memcmp(void *, void *, size_t);\r | |
17 | #pragma intrinsic(memcmp)\r | |
18 | #pragma function(memcmp)\r | |
19 | int memcmp(const void *s1, const void *s2, size_t n)\r | |
20 | {\r | |
21 | unsigned char const *t1 = s1;\r | |
22 | unsigned char const *t2 = s2;\r | |
23 | \r | |
53aabb97 | 24 | while (n-- != 0) {\r |
482704df PB |
25 | if (*t1 != *t2)\r |
26 | return (int)*t1 - (int)*t2;\r | |
27 | t1++;\r | |
28 | t2++;\r | |
29 | }\r | |
30 | \r | |
31 | return 0;\r | |
32 | }\r |